...gyroscope sensor. I want to receive both the electrical schematic and a finished PCB layout matching my concept and the dimensions according to a drawing I will send. What must be included in the design: • A power supply module operating in the range of 9–24 V DC, protected against overvoltage and reverse polarity. • A communication interface and a programming connector for the ESP32 • Integration of MEMS sensors (accelerometer / gyroscope – the exact model will be agreed after the work starts). • A CAN-BUS interface with a transceiver suitable for industrial environments at 3.3 V. Expected final deliverables: 1. Schematic in KiCad, Altium, or Eagle format (to be agreed). 2. PCB layout with EMC rules applied and a silkscreen/annotation layer. ...
...the Heltec WiFi LoRa 32 V3 (to simplify assembly). Please specify your recommendation in your proposal. Sensors (Interfaces needed for 2 Hives): Weight: 2x Interfaces for Load Cells (4-wire). The PCB must integrate 2x HX711 ADC chips directly (or provide headers for breakout boards, though integrated chips are preferred for reliability). Audio: 2x Interfaces for external I2S MEMS Microphones (e.g., INMP441). Connectors must be pin-compatible. Temperature: Interface for 2x DS18B20 sensors (OneWire). Power Management: Input for 6V Solar Panel. Battery management for 18650 Li-Ion or LiFePO4. Efficient charging IC (e.g., CN3065 or similar appropriate for solar). Crucial: Ultra-low power consumption optimization ...
...• Conceptual architecture for a microscopic machine (think MEMS/NEMS scale) dedicated to quality control measurements. • 3D CAD model with tolerances suitable for lithography or micro-machining. • Simulation or analytical validation showing expected performance, accuracy, and repeatability. • A concise bill of materials and recommended fabrication process flow. • Assembly and calibration guidelines so a research technician can reproduce your design in-house or at a micro-fabrication foundry. Experience with COMSOL, SolidWorks, Ansys, or similar multiphysics tools is highly valued, and familiarity with clean-room fabrication constraints will make your proposal stand out. Please include examples of previous microscopic or MEMS devices you&rs...
...power constraints suitable for wrist-worn devices. This is not a Raspberry Pi project and not cloud-based AI. Scope of Work (What You Will Do) 1. SOM Integration Planning Review Thundercomm W5+ Gen 2 SOM documentation Define: Power requirements Required PMIC connections Boot configuration Identify minimum external components needed for a wearable design 2. Audio System Design Specify: MEMS microphone configuration (I2S / PDM) Speaker + amplifier solution suitable for a watch Ensure compatibility with: Linux / Android audio stack Low-power voice use 3. Thermal Strategy (Critical) Design for burst AI workloads only Ensure: No continuous high-power operation Heat is spread laterally (bezel/mid-frame) Skin-side thermal isolation Recommend: Temperature sensors ...
...Espressif Audio Front-End (AFE) features, such as: - Acoustic Echo Cancellation (AEC) - Noise Suppression (NS) - Automatic Gain Control (AGC) - (Optional / desirable) WakeNet or voice trigger support Establish bidirectional audio streaming via I2S between: - ESP32-S3 ↔ Raspberry Pi - Ensure low-latency, stable audio suitable for real-time VoIP - System Architecture (High-Level) Microphone input: MEMS I2S microphone connected directly to ESP32-S3 Playback reference: Audio playback stream from Raspberry Pi provided to ESP32-S3 as AEC reference (via I2S) Processed output: ESP32-S3 sends filtered/processed microphone audio back to Raspberry Pi via I2S Raspberry Pi: Handles SIP/VoIP, networking, codecs, and call logic (already implemented) Only consumes and provides raw PCM...
...Play, pause, skip, and volume adjustments must work through three parallel input methods—capacitive touchscreen gestures, voice commands, and tactile side buttons. No health tracking or notification features are required at this stage, but the architecture should leave room for them later. What the work involves • Hardware: board layout, component selection (BLE-enabled SoC, microphone array or MEMS mic, haptic motor driver, battery management, low-profile tactile switches, 1.4-1.6" touchscreen), enclosure fit for small-batch 3-D printing or CNC. • Firmware: real-time OS or bare-metal code that handles Bluetooth AVRCP, low-power states, touch controller, physical button debounce, and hotword or on-device voice recognition hooks. • Companion app st...
Overview We are building a rugged field recording system composed of multiple submodules. This project covers only the audio capture + local storage submodule, which will be controlled by a separate master MCU. Your task is to design a low-cost PCB module that: • Captures ≥120 seconds of mono audio from one waterproof MEMS microphone • Stores the audio locally in serial flash as a WAV file • Exposes a simple digital interface so a master MCU can control recording and download audio data All triggering, power management, communications, and backend handling are performed elsewhere and are out of scope. In-scope requirements Electronics design / mechanical / form factor • Small PCBA dedicated to audio + memory o PCB outline provided • 2 × mounting h...
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...Play, pause, skip, and volume adjustments must work through three parallel input methods—capacitive touchscreen gestures, voice commands, and tactile side buttons. No health tracking or notification features are required at this stage, but the architecture should leave room for them later. What the work involves • Hardware: board layout, component selection (BLE-enabled SoC, microphone array or MEMS mic, haptic motor driver, battery management, low-profile tactile switches, 1.4-1.6" touchscreen), enclosure fit for small-batch 3-D printing or CNC. • Firmware: real-time OS or bare-metal code that handles Bluetooth AVRCP, low-power states, touch controller, physical button debounce, and hotword or on-device voice recognition hooks. • Companion app st...
أحتاج إلى إعداد محتوى جذاب لمنصات التواصل الاجتماعي في أسرع وقت ممكن. المطلوب هو صياغة منشورات قصيرة تلائم طبيعة علامتي التجارية، مع مراعاة الأسلوب السلس الذي يشجع التفاعل ويحفز المشاركة. التفاصيل الأساسية - نوع الخدمة: كتابة المحتوى - نوع المحتوى المطلوب: منشورات على وسائل التواصل الاجتماعي - الإطار الزمني: ASAP ما أنتظره ضمن التسليم • نصوص أصلية وجاهزة للنشر (بتنسيق .docx أو .txt) • لغة عربية فصيحة مع لمسة ودية تناسب الجمهور على المنصات المختلفة • مراعاة عدد الأحرف المثالي لكل منصة (مثل تويتر، إنستغرام، فيسبوك) • اقتراح وسوم #Hashtags ملائمة عند الحاجة سيُراجَع النص للتأكد من خلوه من الأخطاء الإملائية والاقتباس غير المصرح به، وبأن الرسالة التسويقية واضحة ومختصرة. بمجرد الموافقة على الصياغة النهائية، يُعتبر المشروع مكتملً...
...wrist-mounted control module housing microphones, compute, battery, and wireless links The control unit must continuously capture ambient speech, run low-latency AI processing, and stream its voice response back to the earpieces so both voices (ambient and assistant) play simultaneously. Project scope covers electronics, firmware, enclosure design, and a lean software stack. Expect to lean on MEMS mic beam-forming, Bluetooth LE Audio, low-power DSP, and on-device inference with TensorFlow Lite (or an equally efficient alternative). Cloud fallback for heavier language tasks is fine, provided end-to-end latency stays under 300 ms. Acceptance criteria • Speech-to-insight-to-ear latency ≤ 300 ms • Wrist module diameter 38–40 mm with modular mounting plate •...
...wrist-mounted control module housing microphones, compute, battery, and wireless links The control unit must continuously capture ambient speech, run low-latency AI processing, and stream its voice response back to the earpieces so both voices (ambient and assistant) play simultaneously. Project scope covers electronics, firmware, enclosure design, and a lean software stack. Expect to lean on MEMS mic beam-forming, Bluetooth LE Audio, low-power DSP, and on-device inference with TensorFlow Lite (or an equally efficient alternative). Cloud fallback for heavier language tasks is fine, provided end-to-end latency stays under 300 ms. Acceptance criteria • Speech-to-insight-to-ear latency ≤ 300 ms • Wrist module diameter 38–40 mm with modular mounting plate &b...
...four-throw) MEMS switch and am now moving into detailed work. My immediate need is a clear, manufacture-ready schematic that translates the concept into a layout I can take to fabrication with minimal rework. What I’m looking for • A clean, rule-checked schematic capturing all layers, anchors, beams, contact pads, and actuation structures. • A concise mask-layer map that shows how each layer in the schematic will translate to photomasks. .Fabrication and results • A short fabrication note (materials, key steps, and critical dimensions) so I can verify feasibility with my foundry before committing to full masks. Tools are flexible—as long as the final files export reliably to standard GDSII or DXF, I’m happy. If you already work in AutoCAD, So...
I have a XIAO BLE nRF52840 board (21 × 18 mm) with a MEMS microphone that needs to live inside a sleek, rectangular plastic pendant. Your task is to create the full 3D model so I can move straight to printing or injection-molding. The overall look should stay clean and minimal—no decorative flourishes, just smooth lines that highlight the rectangle. Internally, the PCB must sit snugly while leaving a small acoustic opening for the mic and enough clearance for its components. Please add a simple way to attach a chain or cord and design the halves (or cover) so assembly and future access are hassle-free. Deliverables: • Editable CAD file (STEP or similar) • Ready-to-print STL • A brief note on recommended tolerances and assembly method I’ll gi...
The item is of urgent need. My MEMS-microphone circuit is picking up a constant, low-level hum that blankets the entire recording. I have ruled out obvious grounding mistakes and loose cables, yet the static remains, so I’m looking for a fresh set of expert eyes—and ears—to pinpoint the culprit and guide me to a clean signal path. You’ll work from the schematic and board files I provide, walk me through any layout or component-level tweaks, and suggest practical tests I can run on the bench (scope, spectrum analysis, simple A-weighted measurements—whatever gives us clarity). I’m happy to share recorded samples and scope screenshots so you can hear exactly what I’m hearing. The goal is straightforward: identify the source of the hum, recomm...
Je recherche un développeur expérimenté pour concevoir un capteur connecté destiné à un usage vétérinaire (suivi respiratoire équin). Composants & Électronique • Module BLE (Bluetooth Low Energy) • Capteur de température nasale • Capteur de flux d’air (respiration) • Microphone MEMS (analyse sonore respiratoire) • Carte électronique intégrée (faible consommation, miniaturisation) Boîtier & Design • Boîtier miniaturisé et léger • Impression 3D pour prototype • Revêtement/Coque en silicone souple ou néoprène (intégration au licol/muserolle) Application Mobile (iOS/Androi...
...project in our university masters research. Project Overview: We're building modular data acquisition hardware for recording environmental parameters. This is one module in our testing setup that needs to interface multiple sensors simultaneously. Technical Requirements: Sensors to Interface: 1x ADXL355 3-axis accelerometer (SPI interface) 4x DS18B20 temperature sensors (OneWire protocol) 1x I2S MEMS microphone interface (INMP441 compatible) Connectivity: Standard 20-pin IDC header with following signals: Power inputs: 3.3V, 5V, GND SPI: MOSI, MISO, SCK, CS I2C: SDA, SCL OneWire data line I2S: WS, SCK, SD 2x GPIO for interrupts The 20-pin header should follow standard ribbon cable pinout with pin 1 clearly marked. Board should be designed to work as a standalone unit or ...
...Electronics are split into 5 parts. 1. Head Unit 2. Belly Unit 3. Interconnect Cable 4. Charging Station 5. Sleeping Sack 1. Head Unit Purpose: Handles processing, audio input, vision, and AI logic. - RK3566 SoC (or RK3576 upgrade) – main processor for AI and system control - 2x TTC016VRS-02C 1.6" MIPI TFT LCDs – animated eyes - MIPI Camera – visual sensing for interaction - 4x ICS-43434 Digital MEMS Microphones – far-field voice pickup - TLV320ADC3140 – multichannel audio ADC - LPDDR4 RAM (2GB) – memory for running AI models - eMMC Flash or RS70B64S16G – OS and data storage - LSM6DS3TR-C IMU – motion and orientation sensing - USB302BMPX – USB interface for development/debug - AP6212 or equivalent Wi-Fi/Bluetooth module...
Je recherche un développeur expérimenté pour un capteur connecté destiné à un usage vétérinaire. Le projet comprend : Conception Électronique Intégrée : - BLE, capteurs de température, capteur de flux d'air (respiration), microphone MEMS (analyse sonore respiratoire). Boîtier Miniaturisé : - Impression 3D, coque en silicone souple intégrée (Néoprène). Application Mobile Simple : - iOS/Android, connexion BLE, interface multi-profils. Idéalement, vous devriez avoir de l'expérience en IoT, dispositifs médicaux, et santé animale. Un NDA sera requis avant de partager des détails techniques. Merci de soumettre v...
...Electronics are split into 5 parts. 1. Head Unit 2. Belly Unit 3. Interconnect Cable 4. Charging Station 5. Sleeping Sack 1. Head Unit Purpose: Handles processing, audio input, vision, and AI logic. - RK3566 SoC (or RK3576 upgrade) – main processor for AI and system control - 2x TTC016VRS-02C 1.6" MIPI TFT LCDs – animated eyes - MIPI Camera – visual sensing for interaction - 4x ICS-43434 Digital MEMS Microphones – far-field voice pickup - TLV320ADC3140 – multichannel audio ADC - LPDDR4 RAM (2GB) – memory for running AI models - eMMC Flash or RS70B64S16G – OS and data storage - LSM6DS3TR-C IMU – motion and orientation sensing - USB302BMPX – USB interface for development/debug - AP6212 or equivalent Wi-Fi/Bluetoo...
...software developer to help build a compact voice recording device that can continuously record high-quality audio for 15 to 30 days on a 2000mAh battery. The device should be optimized for low power consumption and designed for long-duration field use. ⸻ Project Requirements Hardware Design: • Selection of a low-power microcontroller (e.g., ESP32, ATmega, STM32) • Integration of a high-quality MEMS or electret microphone • Onboard storage via SD card or internal flash (minimum 10GB recommended) • Power-efficient circuit design to maximize battery life Firmware Development: • Record audio in a compressed format such as IMA ADPCM, MP3, or Opus • Efficient SD card or flash storage management (including file chunking and timestamps) • Use...
...Filter for CT 1kΩ + 100nF 0805 3 Filters CT signal # Component Model/Series Package Qty Description 16 Logic Level MOSFET IRLZ44N or AO3400 TO-220/SOT23 3 Controls siren/relay 17 Relay 12V SPDT - 1 Controls external device 18 SWD Debug Header 4-pin 2.54mm Header 1 For flashing/debugging via ST-Link 19 Buzzer (Optional) 3.3V/5V Buzzer Through-hole 1 Audible local alert 20 Microphone (optional) Digital MEMS (I’S) - 1 Audio input for environment sound monitoring 21 Speaker Driver + Speaker MAX98357A + 8¿ Module 1 Audio output for alarms 22 Power Supply Regulator LM2596 or similar Module 1 12V/5V to 3.3V/5V supply 23 Capacitors (Bypass, bulk) 0.1uF, 10uF, 100uF 0805 20 Power stability 24 LEDs (Status Indicators) Green, Red, Blue 0805 3 Status indication (Power, Fau...
...states of device • Able to process signals and run encryption algorithms Includes a durable, compact, aesthetically pleasing enclosure that's easily openable, and a servo motor that extend and retracts a metallic shaft. Allows easy software development and testing by me (plug-and-code simplicity). Job Details 1. Custom PCB Design: • Embedded microcontroller (ESP32 or STM32) • Audio Components: o MEMS microphone (I2S) o Audio amplifier (MAX98357 or similar) for speaker output • Communication/Programming Interface: o USB-C port exposed inside casing for easy code upload, debugging, and updates • Power Management: o Rechargeable battery circuit o Voltage regulators/stabilizers (3.3V or 5V depending on MCU) o Measure battery voltage via analog to digit...
Schematic showing MEMS microphone connection and SPI connection to STM32H7 module
We are seeking a skilled PCB designer to develop a compact, high-quality audio recording circuit based on the ESP32 platform. The design will include a MEMS microphone array (3 or 4 microphones in a geometric configuration), with the goal of recording individual audio channels for post-processing such as beamforming and voice separation. Project Requirements: ESP32-based circuit design (ESP32-S3 or similar recommended) Support for 3 or 4 MEMS microphones (preferably I²S-compatible) arranged in a triangular or triangular + center layout Microphones must be sample-synchronized for post-processing Output to multi-channel digital audio stream via I2S (preferred) or optionally SPDIF Provision for microSD card storage of multi-channel WAV files Focus on high-fidelity voice c...
...and give real-time biofeedback 2. MEMS Microphone – to detect grinding noise during sleep 3. SpO2, Heart Rate (HR), and Heart Rate Variability (HRV) Sensor – attached to the earlobe 4. Vibration Motor (LRA) – to provide real-time feedback to the user 5. BLE Communication – for data transmission to a mobile application The main goal of the product is to monitor unconscious bruxism/clenching behaviors during sleep, provide feedback to users in real-time, and visualize the data through a connected app. 1. Sensor Configuration and Placement • EMG (Electromyography) Sensor: Attached to the temporal muscle to measure muscle contraction, enabling the detection of bruxism or clenching activities and electric real-time biofeedback using same wire &bu...
...the STM32H7 microcontroller. The system will collect audio from multiple MEMS microphones, process high-frequency audio, and stream data to an ESP32 for server transmission. The project includes hardware design, firmware development, and support for over-the-air (OTA) updates. Scope of Work Hardware Design for Multi-Microphone Audio Streaming Design hardware to interface up to 4 MEMS IM73D122V01 microphones with the STM32H7. Ensure robust audio data streaming with minimal latency and high signal integrity. Select appropriate MEMS microphones and supporting components (e.g., amplifiers, filters) compatible with the STM32H7. High-Frequency Audio Capture Design hardware to capture audio up to 80 kHz from a single MEMS microphone. Implement necessary analog ...
...preferred Optional: 3D board rendering and assembly drawings Hardware Specs: MCU: ESP32-S3 (with native USB support) Display: Circular touchscreen SPI display (~1.28"–1.4") Charging: USB-C port + BQ24074 (LiPo charging and power path) Battery: 3.7V LiPo (via JST or similar connector) Flash: W25Q32 or W25Q64 (SPI) RTC: DS3231 with onboard crystal and coin cell backup Vibration motor: coin-style MEMS Microphone: SPH0645 (I²S) or INMP441 Push button: single tactile input Sensors: MAX30102 (HRM/SpO2) DS18B20 (body temp) MPU6050 (IMU) GSR sensor (analog or module input) SHT31 (humidity/temp) MAX44009 (ambient light) Optional: BMP280 (barometric pressure), CCS811 (air quality/gas) Requirements: Experience designing wearable/wrist-mounted electr...
...and give real-time biofeedback 2. MEMS Microphone – to detect grinding noise during sleep 3. SpO2, Heart Rate (HR), and Heart Rate Variability (HRV) Sensor – attached to the earlobe 4. Vibration Motor (LRA) – to provide real-time feedback to the user 5. BLE Communication – for data transmission to a mobile application The main goal of the product is to monitor unconscious bruxism/clenching behaviors during sleep, provide feedback to users in real-time, and visualize the data through a connected app. 1. Sensor Configuration and Placement • EMG (Electromyography) Sensor: Attached to the temporal muscle to measure muscle contraction, enabling the detection of bruxism or clenching activities and electric real-time biofeedback using same wire &bu...
I need a comprehensive, detailed, and visually appealing research article on 'MEMS devices for harvesting energy from body movements.' The article should be 6-8 pages long and is intended for an audience of academic researchers. The article should cover: - Technical specifications and innovations - Applications and case studies - Challenges and future research directions Deadline is April 30th, midnight. Ideal skills and experience: - Strong background in MEMS technology and energy harvesting - Excellent research and writing skills - Ability to create visually appealing layouts - Experience writing for an academic audience - Least amount of AI usage is preferred
Proposal Provide a rational of the feasibility to design an estimator of the speed of a land vehicle, only based on an inertial sensor (aka IMU, inertial measurement unit) of the MEMS class (micro electro-mechanical system).
...prototype board. After completing the prototype test, the developer must send me at least three boards to test by myself. The hardware design must consider hardware and firmware (software) limitations. If the person has better ideas about components, firmware, or anything else, I have no problem following their advice. MCU unit: Sensor unit: Programming language: C / C++...
I'm seeking a skilled Python developer to assist with CAD-based microfabrication mask design for my projects. The work will involve scripting in CleWin or KLayout to automate layout generation. Key Responsibilities: -Develop a Python script that generates geometries based on mechanical motifs such as serpentines or horseshoe-shaped structures, with conf...parameter optimization, geometry generation, and automated layout creation. -Deliver clean, well-structured, and well-documented code, reusable across multiple design iterations. Ideal Skills: -Proficiency in Python, especially for CAD automation or computational geometry -Experience with KLayout’s Python API, CleWin scripting, or similar layout/CAD tools -Familiarity with microfabrication processes, MEMS, or mask desi...
I need a skilled professional who can convert my CAD files into 3D printer compatible files. The project involves a detailed mock-up of a device using the following components: - Alvium 1800 2040c C-Mount - Computar 12 Mega Pixel, 1.1" 8mm F2.8 lens - Advanced Navigation Spatial (MEMS) IMU - Forge Carrier Board for NVIDIA Jetson AGX Orin™ - Jetson AGX Orin 32GB Module - Allied Vision MIPI camera board - NVIDIA Jetson AGX Orin Active Heat Sink I require moderate detail with visible features for the 3D printed mock-up. The CAD files do not need any modifications or enhancements, just a straight conversion to 3D print files. The preferred material for printing is PLA. Ideal skills and experience: - Proficient in CAD and 3D printing - Experience in convertin...
...(MH-Z19C) UART JST XH 4-Pin TX, RX, VCC (5V), GND PM2.5/PM10 Sensor (PMS7003) UART JST XH 4-Pin TX, RX, VCC (5V), GND VOC/Gas Sensor (SGP30) I2C JST PH 4-Pin SDA, SCL, VCC (3.3V), GND Temperature/Humidity Sensor (BME280) I2C JST PH 4-Pin SDA, SCL, VCC (3.3V), GND Noise Sensor (MEMS Mic - SPH0645LM4H) I2S JST PH 5-Pin BCLK, DATA, LRC, VCC (3.3V), GND ? Connector Selection: ✅ JST XH (4-Pin) for UART sensors, ensuring a stable connection. ✅ JST PH (4-Pin) for I2C sensors, with a low-profile design. ✅ JST PH (5-Pin) for MEMS audio sensors on I2S. ? 2️⃣ Connectors for IT Security and Access Control (ISO 27001) ? These connectors support authentication devices and access control systems. Device Protocol Recommended Connector Required Pins RFID/NFC Reader (PN532, RC522) SPI JST...
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I'm seeking a professional with extensive experience in the semiconductor supply chain, specifically in sourcing and procurement. The main objective of this project is to identify strategies for cost reduction. We are designing a commerical MEMS device. We expected the the cost per die not to exceed 1RMB (0.16 US dollar) per good die. That is 1671RMB( 228.67 US dollar) per 6-in wafer, including wafer price, fab price, dicing price, no packaging Key Responsibilities: - Evaluate current sourcing and procurement processes - Identify areas for potential cost savings - Implement strategies for cost reduction - give list of market wafer price(double polishing, high resistivity <100>, grinding) , fab price, dicing price with your credential reference. - find out the supply cha...
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I'm on the lookout for a seasoned embedded systems engineer to help me with a high-accuracy speech recognition project using the ESP32-S3 board. Key Responsibilities: - Design and implement an embedded system with the ESP32-S3 board. - Optimi...Strong skills in working with the ESP-Skainet speech recognition library. The objective of the project is to create a system where a phone connects to an ESP32-S3 board via Bluetooth. The phone will send a user-defined keyword to the ESP32-S3, which will then be set for recognition. The ESP32-S3 board will use the ESP-Skainet library to detect the keyword from audio input captured by the INMP441 MEMS microphone. Upon recognizing the keyword, the system will activate an LED. I am in need of an expert who can help me realize this projec...
Mon projet consiste en une espadrille innovante qui fonctionne sur le principe des autoporteurs. Cette chaussure intègre des technologies avancées telles que : Mini-ventilateurs pour optimiser la ventilation et réduire la surchauffe. Capteurs MEMS (Micro-Electro-Mechanical Systems) pour analyser les mouvements en temps réel. Générateurs piézoélectriques pour convertir l'énergie cinétique générée par les mouvements en énergie électrique, qui sert à alimenter l'espadrille. Batteries miniaturisées pour stocker l'énergie générée. Moteur brushless de haute qualité, conçu pour une efficacité et une durabilit...
I'm working on a project involving mechanical MEMS simulations in COMSOL, specifically with micro-sensors. While I haven't pinpointed the exact type of analysis needed, I'm hoping to find a professional who can guide me in determining the best approach to take. Key Requirements: - Proficient in COMSOL Multiphysics software - Extensive experience in mechanical MEMS simulations - Familiarity with micro-sensors - Ability to provide guidance on stress, vibration and fluid dynamics analysis - Strong communication skills to explain complex concepts in an understandable way.
...background Would you be interested in discussing this project further? I'd love to see your portfolio and get an initial estimate of development complexity and cost. we will be making use of the following components: Microcontroller: STM32L4R5 (ultra-low-power ARM Cortex-M4 MCU) GPS Module: u-blox ZOE-M8Q GSM Module: SIMCom SIM7000G Magnetometer: BMM150 Trigger Sensor: Hall effect sensor Microphone: MEMS microphone Battery: 3.7V 2500mAh LiPo Power Management IC: TPS62840 buck converter Charging Module: TP4056 QR Code Scanner: Integrated 1D/2D barcode scanner module Antenna: GPS and GSM antennas Accelerometer: For motion detection Temperature Sensor: For environmental monitoring Secure Element: For cryptographic key storage PCB: Custom-designed printed circuit board Enclosu...
...restaurantes. 4. Control de Funciones del Vehículo: • Control del sistema de audio (por ejemplo, cambiar canciones o ajustar el volumen). • Posibilidad de controlar otros dispositivos compatibles vía Bluetooth o Wi-Fi. 5. Diseño Compacto y Elegante: • Todos los componentes están integrados en una carcasa minimalista y discreta, diseñada para complementar el interior del vehículo. • Micrófono MEMS premium con cancelación de ruido, soldado directamente a la placa, para garantizar una captación de voz clara en entornos ruidosos. 6. Conectividad Ampliada: • Compatible con redes Wi-Fi y dispositivos móviles mediante Bluetooth. • Sincronización con el smartphone para llam...
...Control de Funciones del Vehículo: • Ajusta el sistema de audio (volumen, cambiar canciones). • Conexión Bluetooth para llamadas y mensajes. 5. Cancelación de Ruido Avanzada: • Micrófono MEMS premium con cancelación activa de ruido para captar comandos de voz con precisión, incluso en movimiento. 6. Diseño Compacto: • Carcasa minimalista y robusta, integrada en un solo dispositivo. • Instalación discreta en el vehículo, sin afectar el diseño interior. Componentes Técnicos: 1. Hardware: • Procesador: Raspberry Pi 4 para manejar múltiples funciones simultáneamente. • Micrófono: Infineon IM69D130 (MEMS premium con cancelación ...
...should be optimized for low power consumption, compact size, and seamless Wi-Fi integration. This project includes both the hardware circuit design and basic firmware setup to enable audio recording and transmission functionality. Key Requirements: 1. Core Components: • ESP32-S3 Microcontroller: Use the ESP32-S3 for Wi-Fi capability and processing. • Microphone: Integrate a high-sensitivity MEMS or electret microphone capable of capturing clear audio, even whispers, with low power consumption. • Power Supply: Design for battery operation with efficient power management (preferably with options for rechargeable Li-ion/LiPo battery support). • Minimal Footprint: The circuit must be compact enough for wearable applications. 2. Circuit Design: • Audi...
I'm in need of a seasoned engineer or designer who can develop an implantable blood sugar sensor microchip. This microchip should incorporate several key features: - Continuous monitoring of blood sugar levels - An alert system for abnormal levels - The capability for data synchronization with a mobile app I have a preference for the use of MEMS (Micro-Electro-Mechanical Systems) sensors in this project. Therefore, experience with MEMS technology is highly desirable. The ideal candidate would be someone with a solid background in biomedical engineering and microchip design, with a proven track record in developing implantable devices. I am looking for a professional who can deliver a high-quality product that meets these specifications.
Hello, I'm seeking a skilled LabVIEW programmer for remote assistance in data acquisition from a MEMS acceleration sensor. The primary goal is to log data for subsequent time-domain analysis. Key Requirements: - Proficient in LabVIEW programming - Experience with MEMS acceleration sensors - Capable of facilitating remote programming sessions - Knowledgeable in time-domain data analysis techniques - Able to assist with data logging Your expertise will play a crucial role in helping me collect and analyze data effectively. Please bid if you have the requisite skills and experience. What we have today: - Windows PC with LABView installed - NI PC-6220 Card for data acquisition - MEMS sensor AS28 100g (data sheet attached) What we need: A LabVIEW-program which is ...
I'm on the lookout for a professional who can help me set up an ESP32 with a microphone fo...real-time via MQTT and WiFi. Key project components: - Noise Level Monitoring: The ESP32 will need to monitor noise levels that are high (70+ dB). - Data Transmission: Proficient use of MQTT and WiFi for real-time data transmission is a must. - InfluxDB Integration: Experience with InfluxDB for receiving and storing the data is crucial. Ideal Skills: - Proficient in ESP32 programming - Experience with MEMS microphone - Skilled in MQTT and WiFi configuration - Familiar with InfluxDB Your expertise will be pivotal in ensuring effective noise monitoring and data collection in this project. I need firmware and ready to use esp32 to be delivered , design to be scalable and industrial ...
I'm in need of a skilled PCB designer to create a PC board that accommodates the TDK 43434 MEMS I2S microphone. The board should be designed for research and development purposes. Key Requirements: - The MEMS microphone should be placed on one side of the board, with the electronics and connector situated on the opposite side. - The connector used should be a FFC, 0.5mm, 6 conductor (an example being the LCSC C5139821). - Before delivering the final files, comprehensive testing of the board is required to ensure functionality and compatibility with JLCPCB. Ideal Skills: - Proficient in PCB design software - Experience with MEMS microphone integration - Familiar with FFC connectors - Capable of conducting thorough pre-delivery testing Please ensure that all fil...
I'm seeking a branding expert to create a strong, cohesive brand for my online business (THIS CONTEST IS JUST TO FIND THE CORRECT PERSON = FUTURE WORK WILL PAY OFF). "Precious Mems" need full branding entry to choose it and start working with the designer . name is a catchy and modern name that conveys the idea of cherished moments in a short and memorable way. It combines the notions of value ("precious") and memories ("mems"), aligning well with your focus on capturing and celebrating special moments. My business offers a variety of unique, customizable small gifts. These include keychains, mugs, fridge magnets, pictures, frames, resin and other handmade items (some stickers are purely lebanese but do not focus on LEBANON).
