SMD LCD Event Counter Prototype
I am looking for an electronics engineer to develop **one working prototype of a compact, pocket-size digital tally counter**, using surface-mount (SMD) components and a low-power microcontroller. The device should be simple, reliable, compact, and des…
H? th?ng c?nh báo môi tr??ng Arduino
Tôi c?n xây d?ng m?t h? th?ng giám sát d?a trên Arduino ?? theo dõi nhi?t ??, ?? ?m, c??ng ?? ánh sáng và tr?ng thái m?t ?i?n. Khi b?t k? thông s? nào v??t ng??ng ho?c khi m?t ngu?n, h? th?ng ph?i g?i… (Budget: $30 – $250 USD, Jobs: Arduino, C Progra…
Urgent Audio Transformer Overcurrent Fix
Tôi ?ang v??ng l?i quá dòng trên bo m?ch x? lý bi?n áp âm thanh và c?n m?t k? s? có m?t t?i Hà N?i ?? kh?c ph?c ngay. M?ch hi?n ho?t ??ng không ?n ??nh, ?o dòng v??t ng??ng ??nh m?c khi t?i l?n, gây ng?t t? b?o v? và có nguy c? h?ng bi?n áp… (Budget:…
Battery Quality Control System Development
I’m looking for an experienced developer to create a battery quality control system. This system will sort AAA, AA, and C batteries, and test their voltage to determine if they are "good enough." Key Tasks: – Sort batteries by type and size….
Logisim 32-bit RISC Pipeline Design
I need a complete Logisim circuit that realises a 32-bit RISC processor whose instruction width is 16 bits. The core must follow the classic five-stage pipeline—Fetch, Decode, Execute, Memory, Writeback—and run smoothly at one instruction per cycle onc…
Teensy 4.1 One-Cycle FSK
I’m building a proof-of-concept transmitter that must output a single, precisely timed cycle of FSK per data bit on a Teensy 4.1. The bit stream is stored exactly as volatile uint8_t dataBits[] = {1,0,1,1,0,0,1};… (Budget: €30 – €250 EUR, Jobs: Ana…
Teensy 4.1 board & Sensor C++ Compile Fix & Augmentation extra peripherals
I have a sensor-companion board built around an Arduino Teensy 4.1 that is normally compiled from inside Visual Studio in C++. A recent update has left the project refusing to build because of straight syntax errors—no missing libraries, no undefined r…
Arduino-to-STM32 HID Port
Hello, I would like to commission the porting of existing code (200 lines) written in Arduino IDE (ATmega32u4) to an STM32CubeIDE project (STM32F103C8x). I require identical functionality. I will provide… (Budget: $30 – $250 USD, Jobs: Arduino, C Pr…
STM32 Embedded System Development
I need an experienced developer to create an embedded system using the STM32F411CEU6 microcontroller. The project is digital output using amplifier. Key Requirements: – Develop in C – Experience with… (Budget: $30 – $250 USD, Jobs: Arduino, C Progr…
STM32 Embedded System Development — 2
I need an experienced developer to create an embedded system using the STM32F411CEU6 microcontroller. The project is digital output using amplifier. Key Requirements: – Develop in C – Experience with… (Budget: $30 – $250 USD, Jobs: Arduino, C Progr…
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