Compact SHT45 Sensor PCB Design

$30-250 USD

Completed

Posted 7 days ago

$30-250 USD

Paid on delivery

I need a tiny SMD-only PCB built around Sensirion’s SHT45 temperature-and-humidity sensor for a consumer-electronics prototype. The board should stay within roughly a 30 mm footprint—small enough to slip into a handheld enclosure—and run reliably from a single 3.3 V rail. What I expect from you • Schematic capture with the SHT45 as the core, an I²C edge connector or castellated pads for easy drop-in integration, and the usual supporting passives and decoupling. • A two-layer layout that respects Sensirion’s recommended keep-out around the sensing element and positions any mounting holes so airflow is unobstructed. • Production-ready deliverables: Gerbers, BOM with manufacturer part numbers, pick-and-place file, and PDF assembly drawing. I’ll review the design in KiCad or Altium, so please provide source files in either tool. Once we confirm the PCB meets the 30 mm size limit, keeps total board height low, and the pinout matches my host MCU’s I²C lines, the job is complete.

Electronics

Electrical Engineering

Microcontroller

Project ID: 40605372

About the project

7 proposals

Remote project

Active 7 days ago

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Awarded to:

@tshibsamuel477

Hi there, I read your offer carefully and understand that you need a tiny SMD-only PCB built around the Sensirion SHT45 temperature and humidity sensor, powered from 3.3 V and kept within roughly a 30 mm footprint. I can support the schematic, compact 2-layer PCB layout, I²C edge connector or castellated pads, decoupling, SHT45 sensing keep-out, low-profile component placement, Gerbers, BOM, pick-and-place file, PDF assembly drawing, and KiCad or Altium source files. My experience with compact sensor boards, I²C devices, SMD PCB layout, consumer electronics prototypes, KiCad/Altium, and production-ready documentation fits this project well. Just send me a message and we can confirm the pinout, board outline, and integration method. Best regards, Samuel Tshibangu

$135 USD in 1 day

5.0

(76 reviews)

6.4

7 freelancers are bidding on average $154 USD for this job

@MuhammadUzair16

Hi, I am an embedded systems engineer with over 16 years of experience. I have extensive experience designing compact sensor PCBs and complete consumer-grade products from concept through production. I can develop this SHT45 module in KiCad or Altium, including the schematic, a compact two-layer SMD layout, and production-ready manufacturing files. The design will follow Sensirion’s guidance for sensor keep-out, thermal isolation and unobstructed airflow while keeping the board within the 30 mm footprint and minimizing overall height. I will also ensure clean 3.3 V operation, suitable I²C pull-ups and decoupling, and a practical castellated-pad or edge-connector pinout for your host MCU. The final package will include editable source files, Gerbers, drill files, BOM with manufacturer part numbers, pick-and-place data, assembly drawing and design-rule checks. I can also help review the host-side I²C integration and firmware if needed. Do you prefer castellated pads or an edge connector, and are there fixed mounting-hole locations or enclosure constraints? Please contact me to discuss details.

$225 USD in 5 days

5.0

(16 reviews)

7.5

@ahmaddar2970

Designing a compact, reliable PCB with detailed schematic capture, layout, and comprehensive deliverables is our expertise. We will ensure the design adheres to all specifications, including size, airflow, and component placement, using either KiCad or Altium. Our deliverables include Gerbers, BOM, pick-and-place files, and PDF drawings, ensuring production readiness. Your project requirements align well with our experience, especially in high-precision, small-form-factor PCB design, making us confident in delivering a quality product within the 7-day timeframe. We look forward to collaborating on this innovative consumer-electronics prototype. What specific challenges or constraints do you foresee in integrating this sensor PCB into your product design?

$130 USD in 7 days

4.7

(2 reviews)

4.1

@nimran54

Hey , I am a US based Freelancer, I just finished reading the job description and I see you are looking for someone experienced in Microcontroller, Electronics and Electrical Engineering. This is something I can do. I’ll build the compact SHT45 carrier as a clean two-layer, SMD-only PCB in KiCad or Altium, keeping the sensing element’s keep-out, airflow, 3.3 V rail stability, and the small 30 mm footprint in mind. I’ll include the I²C edge connector or castellated pads, proper decoupling, supporting passives, and layout choices that keep board height low for the handheld enclosure. You’ll receive production-ready Gerbers, BOM with manufacturer part numbers, pick-and-place, and a PDF assembly drawing, plus the editable source files for review. To start, I need your preferred host MCU pinout, mechanical constraints for the enclosure, and any connector preference between edge pads or castellations. Drop me a message before placing an order price can be discussed after discussion.- Hey , I am a US based Freelancer, I just finished reading the job description and I see you are looking for someone experienced in Microcontroller, Electronics and Electrical Engineering. This is something I can do. Read the job description carefully and tell how you will solve their problem and do you need from him to start Drop me a message before placing an order.

$30 USD in 1 day