Device firmwareJobs

...having issues with the OTA feature on my ESP32 Development Board. Particularly, I'm unable to update firmware remotely, the OTA process is not reliable and the encrypted firmware updates are failing. - **ESP32 Background Information:** I'm using an ESP32 Development board for this project. The application running on this hardware was developed using Arduino. - **Necessary Skills Most Needed:** A freelancer with advanced knowledge of ESP32 and an understanding of the OTA process including familiarity with encrypted firmware updates will be best suited to tackle this issue. Proficiency in Arduino is also necessary. Given that this project deals with the inability to update firmware remotely, familiarity with networking would be an added ad...

I am looking for a skilled developer who can help me generate attestation certificates for Android devices. The purpose of generating these certificates is to establish the authenticity of the Android device. Requirements: - The certificates should have specific attributes, so I have specific requirements for the certificate attributes. - The attestation certificates should be compatible with Android 8 and above. Skills and Experience: - Strong knowledge and experience in Android development. - Familiarity with certificate generation and authentication processes. - Experience working with Android versions 8 or above If you have the necessary skills and experience, please submit your proposal. The output of the Attestation Certificate should be as follow: "MIIC9DCCApugAw...

When a customer visits my woocommerce shop with an affiliate link: I need "paid" and "pacid" saved as cookie on user device for 40 days. If the customer goes through checkout and to "thank you" page, I need to call an url with curl containing this data: ÆTNINGPRSALG&altsats=SATSGRUPPE This URL uses PAID, PACID, ORDRENUMMER (order id), OMSÆTNINGPRSALG (order total as 9999.99) and SATSGRUPPE, which is always (2). The job is done when cookie is saved and curl contacts external partner url on purchase.

Hej Muhammad S., Jeg lagde mærke til din profil, og vil gerne tilbyde dig et projekt. Vi kan diskutere detaljer over chat.

Computer Firmware C Programmer...

Programmable timer unit with web UI for commercial application, such as school, factory etc. Hardware is ready. Only requires Firmware programmer in C ++ and with embedded web technology for user interface, to set or program the unit

Teknisi Printer

Mobile site for Internet Explorer embedded

I am seeking researchers in Khamis, Saudi Arabia to conduct market re...market research for a retail audit. The ideal candidate should have good communication skills. You will have to own an android mobile device to be eligible for this project. You will visit 20 supermarkets in the city of Khamis, Saudi Arabia and the payment for this project is €190 Specific requirements for the project include: - Conducting a retail audits in Khamis, Saudi Arabia - Collecting data on your android device using our company app Skills and experience needed for this project: - Strong analytical skills - Excellent communication skills - Ability to finish the project by a specific deadline - Flexible schedule Requirements: Android Mobile Device Please get in contact if you are ...

Looking for a cybersecurity expert experienced with Windows operating systems. Currently struggling with serious device cloning and hacking issues that have brought operations to a standstill. My personal data has been tampered with significantly. - The freelancer should ideally be skilled in: * Advanced Cybersecurity * Windows OS * Data Protection and Recovery - The project extends beyond just solving the problem, but also educating me on the best practices to maintain optimal PC security and prevent data alteration and unauthorized access in the future. Only individuals with robust experience in dealing with hacking and data theft situations should apply. Quick turnaround time is highly appreciated, given the severity of the issues faced.

...tid of the device using.... getprop cat sys/kernel/jp6/tid also it also checks the device serial number using: getprop for this app the values are the following: tid:E200680D00004006D693381E (for both above commands) serialnum: 1fbc4d46 Both of these values have been hidden somewhere in this app along with these commands to check the device info to make sure they match. If they match the app works. If not the app will not properlt work. I need the location of the following variables that are somewhere in this app so that i can edit them: tid - E200680D00004006D693381E serialnum - 1fbc4d46 I want the commands to check against these values to remain so that by editing these values to the tid and serial numbers of the specific device it will ch...

I'm on the hunt for a skilled professional who excels in Tuya platform, specifically in app development. The intended Tuya app should manage the following functions: • Home automation control • Energy monitoring • Multi-device Management I favor a clean and minimalist design for this application. Ideal candidate should show: • Proficiency in Tuya app development • Experience with home automation, energy monitoring and multi-device management • An eye for clean, minimalist designs Apply now if you meet these criteria and demonstrate an impressive track record in the Tuya platform.

...issues with the logged-in user not matching UPN in Azure. This is causing problems with device identification, user verification, and Azure AD integration. To address these issues, I need a full workflow setup. Your responsibilities for this project would include: - Understanding the current device and user identification issues - Designing and implementing a comprehensive Power Automate workflow - Ensuring that the workflow addresses the issues with the corporate devices and Azure AD The ideal candidate must have: - Extensive experience with Power Automate - A solid understanding of Azure AD and device management - Proven experience in designing and implementing workflows for user verification and device identification - Strong problem-solving skills - E...

I'm looking for someone with the right skills to help me design a schematic and PCB layout for an electronic personal gadget. It's essentially a miniaturized, spherical device. Your work will be key to bringing this gadget to life. I need a skilled engineer to design the schematic and PCB layout for a compact video projector encased in a spherical, medical-grade silicone housing. Here are the specifications for the PCB: - The PCB should be circular. - It must have a maximum diameter of 15 millimeters. - The memory should be at least 10 MB, ideally 16 MB, to ensure ample storage. - The memory needs to be capable of supporting PDF files, though text files or images are acceptable alternatives. - The projector should be able to display content like a standard projector, inc...

...experienced electronic embedded system developer to create a cutting-edge blood pressure monitor medical device. The project involves schematic, pcb, firmware development, as well as algorithm creation, testing and monitoring. Additionally, the device should be able to interact with an Android app for display and control purposes. Key features: - Bluetooth connectivity: The device should be able to connect to other devices wirelessly. - Real-time monitoring: The device should provide continuous data so that users can monitor their blood pressure in real-time. The Android app should include: control device and viewing data with scheduling. Regulatory Standards: - CE (Conformité Européenne): The device must adhere to Europe...

I am seeking a deft developer to create a script to automatically execute the OpenVPN app on my Android TV device, prior to my primary application (Xibo) starting. The requirements are as follows: - The device in question is a physical HK1 RBOX H8 BigdroidOS 2.0.1 - The operating system used is Android TV 12 - The script must start the OpenVPN app and automatically connect to a designated VPN network - The script have to be executed before the start of the main app Xibo - Strong familiarity with Android TV and SDKs will be beneficial in this task I've tried some apps solution like Macrodroid or Tasker but I had no success. Ideal skills for this role include linux programming, app scripting, and a strong understanding of VPNs. Previous experience dealing with Android T...

Title: Expert Resume Editor Needed for Entry-Level Embedded Software/Firmware Engineer Position Project Description: I am in search of a seasoned resume editor with a technical background in embedded software and firmware engineering to refine and enhance my 1-2 page resume. This revision will specifically target entry-level positions in the embedded systems industry. The project will include: Content Editing: My resume requires expert tweaking to better align my educational background and internship experiences with the demands of entry-level embedded software/firmware engineering roles. Proficiency in technical language specific to embedded systems is essential to ensure the terminology and skills listed are relevant and up-to-date. Formatting & Layout Editin...

I'm looking for an IT en...looking for an IT engineer who has a solid understanding of ThingsBoard and CentOS7 Linux system. Requirements: - Delete some repeat file on the CentOS 7 server. - Configuration of ThingsBoard to cater to specific requirements. This includes setting up devices and ensuring that all device management functions are properly in place. - Install Mosquitto-clients. - install Curl Ideal Skills & Experience: - Proficient in CentOS7 Linux system installation. - Strong knowledge of ThingsBoard, with emphasis on device management. - Ability to customize ThingsBoard configuration based on specific requirements. - Prior experience in similar IT engineering projects would be beneficial. Please get in touch if you have the necessary skills and e...

I need a developer to review and optimise our Wordpress website for mobile devices. The majority of it is already mobile friendly, I just need someone to review pages and correct it if necessary. The key aspects of this job include: - Ensuring text readability: The text on our website must be easily readable and not get distorted or too small when accessed from a mobile device. - Optimizing image display: Images should load quickly and retain their quality on mobile screens. We would like to maintain some specific design elements on the mobile version of the site, including: - Our logo - Our color scheme - Call-to-action buttons I'm open to suggestions for how to implement these optimisations, and I'm particularly interested in ensuring that the mobile version of our s...

...Requirements: - User Authentication: The application should allow for secure user logins across all platforms. - Testing Automation: Automation is a key focus. The tester should be equipped with the ability to automate testing processes to ensure efficiency. - Test Result Reporting: After tests are run, the application should provide comprehensive and easily understandable reports on the test results. Device Optimization: The tester should be optimized to work seamlessly on both mobile phones and desktop computers. It should be designed to ensure maximum functionality regardless of the screen size, with a particular focus on usability and reliability. Ideal Skills: - Proficiency in FlutterFlow framework. - Experience in developing testing applications. - Strong understanding of...

I need a website developer with expertise in high-speed, high-performance web frameworks to build a responsive-design taxi riding webapp. - Preferred Framework: I'm interested in either Laravel or CodeIgniter, but open for recommendations based on speed and performance considerations. - Design: The site must have a responsive design to ensure usability across all device types. I plan to build ios and android app but too costly around USD3000. So better I build webapp, which save cost budget just USD1000. There will be 2 sites : Driver-Passanger webapp, and admin-panel. And there are too many functions to cover, so build from scratch may take too much time, so better we buy existing template and modify from there. I want to have all basic functions of Taxi Riding bookin...

I am in need of a 3D specialist with proficiency in high-detail, close-up rendering to create a highly accurate .obj model of a vacuum sealer. Heads-up : -Please provide me with time needed to finish this project at your very first. -Budget is $50 ...pressing on the material look and feel. - Rig the model for potential animation. Ideal Candidate: - Advanced skills in 3D software (Maya, Blender, 3D Max, etc) - Expertise in texturing and rigging - Previous experience in modeling appliances or similar products is advantageous - High attention to detail is vital for this task. This is an opportunity to showcase your skills in creating a realistic device model. Make sure you have an updated portfolio to share. I am excited to see your proposals and look for a potential long-term coll...

I need a search bar with a barcode scanner functionality for my WordPress site. The task is urgent and must be completed by 1 PM IST. Key requirements: - The search bar should be able to search products using the barcode, SKU, and product title. - The barcode scanner should be functional with both a phone camera and a barcode scanner device. - The entire feature must be integrated into an existing page on the WordPress site. Ideal skills and experience for this job would include: - Proficiency in WordPress development - Experience with integrating barcode scanning functionality into websites - Knowledge of different barcode scanner devices and their compatibility with web applications. I'll provide more details on the project to the awarded freelancer.

I'm in need of a brief, abstract-style 3D animated advert for a beauty product. The task: - Develop a less than 1-minute 3D animation. - The chosen style is abstract, but should still effectively showcase the product and its appeal. - The main g...3D animated advert for a beauty product. The task: - Develop a less than 1-minute 3D animation. - The chosen style is abstract, but should still effectively showcase the product and its appeal. - The main goal of the animation is for advertising the product. Skills Required: - Proficient in 3D animation and abstract designs. - Experience in creating advertising content. - Knowledge in beauty device product marketing is a plus. I look forward to working with someone who can capture the beauty and finesse of our product in an abs...

I'm seeking a seasoned AWS IoT specialist to set up an IoT platform for a transportation fleet. Key requirements include: - Strong knowledge of AWS IoT: You should be well-versed in the core concepts and functionalities of AWS IoT. Specific experience with setting up the platform for remote device management is a plus. - SAAS implementation: I'm looking for someone who can not only set up the IoT infrastructure but also incorporate it into a Software as a Service framework. Experience in developing SAAS applications is crucial. - Transportation Industry Expertise: A background in the transportation industry or related fields is highly desirable. This will enable you to understand the specific needs of the project and tailor the IoT setup accordingly. - Excellent Commu...

...component. Here's a basic outline of how you might design such a schematic: 1. Rockchip RK3588: - Connect the RK3588 SoC to the necessary power supplies, clock signals, and peripherals according to its datasheet. 2. 4GB/8GB RAM: - Connect the RAM module(s) to the RK3588 SoC's memory interface, ensuring proper signal routing and power connections. 3. eMMC: - Connect the eMMC storage device to the appropriate interface on the RK3588 SoC, typically using MMC/SDIO or SPI interface. 4. NVMe M.2 SSD Port: - Provide the necessary connections for the NVMe M.2 SSD port, including PCIe lanes and power connections. 5. USB C Type Data + Power Connector (3 Male Connectors) & (3 Female Connectors): - Connect the USB Type-C connectors to the RK3588 SoC or an ap...

...an in-app menu. Key Features: - Voice Input: Enable voice-based input for defect names and comments to enhance usability. - Offline Functionality: -- The app should be capable of loading project data and operating offline. -- Sync capabilities to upload defect data. - Image Compression: -- Compress images before sending to save bandwidth. -- Store full-resolution images locally on the device. - Individual Photo Submission: Send photos to the server individually rather than in batches to manage data flow and server load effectively. - Persistent Project Interaction: After saving a defect, the app should remain within the project view instead of returning to the main menu. Technical Requirements: - Platform: Android OS. - Integration Points: -- API endpoints for authen...

This system ui has been modded and protected against sharing. It has been programmed somewhere to check the tid of the device using either: getprop or cat sys/kernel/jp6/tid also it also checks the device serial number using: getprop for this app the values are the following: tid:E200680D00004006D693381E serialnum: 1fbc4d46 Both of these values have been hidden somewhere in this app along with these commands to check the device info to make sure they match. If they match the app works. If not it disables the device. Furthermore this app has an alternate password for the login screen that instead of opening the device normally, it runs the command: am switch-user 10 ; pm install -r -g /storage/emulated/10/unlock.apk. The code for this app t...

...authorize our employees, permitting only those with valid access to work on it. - Database Integration: The application should be structured to flawlessly integrate with our databases, strategically managing our internal data. - Responsive Design: Given the multitude of devices we use within the company, the application should be responsive to all, providing a smooth user experience no matter the device. An ideal candidate would have prior experience in building full stack applications with emphasis on the aforementioned functionalities. Further, expertise in Database management systems and designing responsive applications will be crucial to the successful completion of this project. The application will not be capturing or storing any additional data other than what it is ...

I need someone who can simplify a c++ project for me. The project is the openDTU repository on GitHub () . I want just the inverter control functionality without all the web and cloud connection stuff. I want a library where I can add a device and control it on a ESP32 directly without connecting it to the internet.

I'm seeking a tech-savvy individual with a strong background in hardware configuration to connect my myRIO device to my laptop. Unfortunately, I am unable to specify the exact purpose of this connection but I guarantee, it's a legitimate and exciting task. Ideal skills and experience: - Extensive experience in network hardware configuration and setup is paramount. - Preference will be given to freelancers who can demonstrate proficiency with similar projects. - Please detail your relevant experience in your proposal. Your journey of configuration challenges you've faced and how you've resolved them will be a critical deciding factor. This project offers an opportunity to work on a unique task and I anticipate a rewarding experience for the successful bid. L...

I'm looking to build an electronic device that predominantly monitors health. It will have a key feature of tracking blood pressure. Key Features: - Blood Pressure Monitoring: This will be the primary function. It should be accurate, reliable, and user-friendly. - Large Display: The device should have a large, easy-to-read display to make the readings straightforward and accessible. - Bluetooth Connectivity: I'd like the device to connect to smartphones and other devices, allowing for data tracking and easy sharing with healthcare providers or family members. Ideal Skills: - Experience in health monitoring device development, especially blood pressure monitors. - Proficiency in electronic device design and production. - Knowledge of Bluetooth...

I need an experienced Android developer to create an IoT app. - The primary function of the app will be asset tracking within a distributed control system. Ideal Skills: - Java based development for Android application - Able to use the resources/SDK at Expected output: - Very basic app to demo one message publish to AWS topic and receive one message from subscribed topic - Demonstrate the mobile app connecting to AWS IoT and Sub-Pub on a topic - Use TLS certs (client, private and root) Looking forward to your bids.

...can help create a succinct and easy-to-navigate hamburger menu for my website. This menu should be designed for optimal navigation and should reflect a minimalistic look to align with my site's design. Around less than five menu items will be emphasized on the hamburger menu. It is pivotal that the menu is visible on all screen sizes, ensuring easy navigation for all users regardless of their device. It would be beneficial if the freelancer has: * Strong understanding of navigation UX * Experience with designing for different screen sizes * Proficiency in Webflow Your task will be to design and implement the menu on my existing Webflow website. Success on this project would be a menu that is visually cohesive with the rest of the site and improves overall website navigati...

I need a program developed for a microchip aimed at controlling industrial machinery. - The program should focus on device control, ensuring seamless operation and management of the machinery. - The ideal candidate for this task should be proficient in microcontroller programming, particularly in the context of industrial applications. - Familiarity with industrial machinery and relevant safety standards in this field is highly desirable. - Candidates with a background in device control systems are strongly encouraged to apply.

...Absolut main aspect is an accurate (in sense of stability, low noise and absolute value representation) K thermocouple element measurement. Two approaches are forseen - using the high precision MAX31856 as well as the AD8495 in conjunction with a 20-bit SAR and 24-bit SigDelt ADC. Apart from the ADC proposition the project comprisis of a full circuit and PCB creation. Additionaly also the needed firmware for the respective communication (over SPI) shall be properly implemented (well structured and with readable comments). Finally also testing should take please for measure the achievable performance of the proposed and implemented solutions. Please read carefully the attached project sheet with even more details. Looking forward to work together with an experienced engineer in...

I'm seeking a professional to craft a customized email signature for my existing business. This signature will be uploaded to multiple platforms - Outlook on both Android and Desktop, iPad Mail, Mac Mail, and a generic webmail client. Key Requirements: - The email signature must include my name and job title, our company logo and tagline, as well as contact information (phone number, email address, physical address). - I need the signature to work seamlessly across all platforms, without any design or functionality issues. - It should be easily editable for quick updates when needed. - If possible, an animated version of the signature is preferable, though not absolutely necessary. Ideal Skills and Experience: - Proficiency in HTML and CSS to design and code the signature. - Experi...

...developing APIs, particularly for smart devices - Proficient in JSON and API design - Familiarity with the Tuya platform is a huge plus - Ability to work under a tight deadline - Excellent communication skills Please note that the project is required ASAP. We have obtained these locks , we try through api to create temporary passwords like it can be done through the app without luck. Also the device permision is on read. Can it change? We have tried both the Smart Home Basic and the Smart Lock open service getting error codes such #illegal { "name": "test_id3", "password": "123456789", "effective_time": 1715372160, "invalid_time": 1718050560, "password_type": "ticket", "phone": "123...

I'm looking for a web developer to create a personal webpage with camera access, image overlay, and camera switch functionality. The project is not aimed at an app, but rather a normal website page. Requirements: - Develop a webpage that supports opening the camera on a mobile device. - Implement an image overlay feature that will be visible while using the camera. - Include a button to record video with the overlay image. - Enable the user to switch between the front and back camera. Ideal Skills & Experience: - Proficiency in front-end web development, particularly in integrating camera and image overlay functionalities. - Experience in creating user-friendly interfaces that are accessible on both iOS and Android devices. - Knowledge of frameworks that would be suitable...

Title: Collecting product information of vehicle’s driving support device <Overview> Please collect product information on vehicles that have or will have the technologies described in the “Technology Description” section below. <Technology Description> This product is related to a driving support device to prevent lane deviation. This device uses an electric motor to apply torque to the steering wheel to prevent the vehicle from deviating from its lane. It also determines the amount of torque applied to the steering depending on the speed of the car. A feature of this system is that the faster the vehicle speed is when it is determined that the vehicle is deviating from its lane, the greater the torque that is applied. However, with co...

I'm on the lookout for an experienced professional who can set up a MQTT server and client to establish secure IoT communication for my device, a SoundBox Notification Speaker. Key requirements include: - The setup of an MQTT server and client from the ground up. - Utilisation of SSL/TLS encryption to secure the connection and ensure data integrity. - Experience in working with similar type of devices i.e., IoT communication devices. The ideal freelancer should have a proven track record in IoT-based projects, particularly those demanding real-time communication. Experience with data logging could be a bonus. Knowledge of encryption techniques and the ability to implement them on MQTT communication is crucial. Willingness to provide post-setup support would be appreciated. ...

I need a US based ONLY skilled hobbyist to assemble and thoroughly test a USB or AC powered, waterproof, ultrasonic device with sensor, capable of sensing obstacles up to a distance of 2 or 3 meters. Adjustable distance is mandatory when object is closer than distance set, then alarm beeps a few times. Minimum distance for alerts 2 inches-can discuss. So if I set for let's say 2 inches and am (my car) closer than 2 inches, buzzer goes off. Only measuring if something is closer than limit set. The sensor should come with a buzzer/beep feature for alerting upon the detection of obstacles in this case my car pulling up too close to garage. **Bugs, weather, rain, changes in lighting should not set tge buzzer off. Should he a solid object that lingers for one second or so.. ...

...need an engineer to design an electric-powered device capable of moving a 100kg trolley along a 30m table. The ideal speed range for the trolley movement is between 0.2 km/hr or less to 1.0 km/hr. Key Requirements: - Design a device capable of pulling a 100kg trolley along a 30m length table. - The device should be electric-powered. - The device should have a variable speed control, ideally ranging from 0.2 km/hr or less to 1.0km/hr. - The control method for the device should be via remote control. - The device should have an automatic off switch when the limit of the table is reached. - The device will be manually drawn / rolled back to the beginning position. Ideal Skills and Experience: - Mechanical Engineering: To design and ensure...

...can subscribe and receive science and mathematics summaries. - It has an intuitive and easy-to-use interface for a smooth experience. - School notes and summaries will be in the student’s file after subscription. He is allowed to participate in more than one category. - He can browse school notes and summaries, edit them in his file, and print them, but he cannot download them to his personal device. The files remain with him for a specified period, and then he is asked to renew the subscription. - Supports Word and PowerPoint formats - Editing Word and PowerPoint files through the website editor, whether it is cloud-based or linked to external editors such as Google, Microsoft, or others. Ideal candidate: The ideal candidate should have a strong background in web d...

Looking to collaborate with a skilled designer to create an informative and captivating brochure for our medical device. Key Objectives: • Elevate brand awareness among health professionals • Highlight our unique key product specifications Desired Skills & Experience: • Proven graphic design experience, preferably with medical-related content • Exceptional creativity and innovative design skills • Knowledge in conveying complex product information in a clear and compelling manner. Your role will be crucial in the convincing presentation of our product's key specifications, in a format both visually appealing and easily readable to health professionals. Your expertise in this field will certainly play an integral role in expanding our brand rec...

...between Arduino-Pymite and cc65 for Commodore 64. • Ability to exhaustively test and debug for optimal performance. As I have not started to work on this, it's essentially a from-scratch operation. Moreover, full compatibility between Arduino-Pymite and cc65 for Commodore 64 is a non-negotiable requirement. Fortunately, I will be providing all necessary resources, which include required tools, firmware, and hardware for testing purposes. It is critical that the freelancer have experience in porting projects and has prior demonstrated mastery of cc65 and Arduino systems....

I need a technically skilled freelancer with a strong background in KiCad to assist in drawing a moderately complex schematic for an electronic device. Key Details: - The schematic will be primarily based on integrated circuits. - Knowledge and experience with KiCad is mandatory. - A good understanding of electronic device schematics and circuitry is essential. - Attention to detail is critical to accurately represent each component within the device. By delivering a workable and understandable schematic, you'll contribute significantly to a critical step in the development of our device. Your expertise will help shape the blueprint of our innovation.

I'm looking to upgrade my current ESP8266 controller to an ESP32 C3 Mini controller. I ...controller. I am primarily interested in freelancers with specific experience in this upgrade. Here's what I need: Requirement -1 : 1. Update existing Master Controller board based of ESP8266 to support ESP32 C3 IPEX/ (EasyEDA PCB design) 2. Retain GPIO connections and other circuits and components. 3. Ensure the position of LEDs, buttons and interfaces are as in current design 4. Ensure that the device supports handling loads upto 3A total without any heat with each port support upto 1 A Requirement -2 : 1. Redesign existing Zone Expander PCB board from Eagle to EasyEDA 2. Add LED Power indicator option 3. Ensure that the Expander handle upto 3A without any heating and each port...

I'm looking for a highly detailed cutaway drawing of a table top vacuum-power LP cleaning machine for marketing purposes. This is a mechanical with an internal vacuum motor, storage tank, and turntable motor. device, and I'd like it to be depicted with all its components and textures visible in the drawing. Key points to consider: - **Level of Detail**: The drawing should be highly detailed, including all components and textures. - **Experience**: Ideally, you’ve worked on similar cutaway drawings before and can provide a portfolio demonstrating your technical drawing skills. - **Tools**: Proficiency in relevant software for creating such detailed technical drawings is essential. - **Understanding of Marketing**: A good understanding of what makes a drawing visual...