This project involved the end-to-end design and development of a compact, low-power IoT system using the ESP32-C3-02 SoC and integrated TP4056 Li-ion battery charger. The goal was to create a reliable and modular platform for wireless environmental data monitoring, powered by a rechargeable battery with onboard protection and USB-C support.
Open source digital servo replacement module for the Sony Walkman WM-D6C. Replaces the CX20084 servo IC, CP304 boost converter, and CN301 power jack with a single STM32G0B1-based PCB. Dual variant: USB-C PD or polarity-agnostic barrel jack input. Bare-metal C firmware. CERN OHL-P v2 / MIT / CC BY 4.0.
Open source digital servo replacement module for the Sony Walkman WM-D6C. Replaces the CX20084 servo IC, CP304 boost converter, and CN301 power jack with a single STM32G0B1-based PCB. Dual variant: USB-C PD or polarity-agnostic barrel jack input. Bare-metal C firmware. CERN OHL-P v2 / MIT / CC BY 4.0.
Comprehensive STM32F796 dev board tailored for versatile applications. Features dual OTG USB-C interfaces (FS and HS), high-speed DRAM, DSI and EMMC storage. Ideal for developers seeking advanced integration and performance in their hardware projects
4-layer ESP32-C3 WROOM development board with USB-C, ESD protection, LDO regulation and differential pair routing — designed in KiCad
A professionally structured, production-ready KiCad schematic integrating an ESP32-WROOM-32D with wired dual-port Ethernet, high-speed USB-C debugging, and an onboard AC/DC power supply.
A small, minimalist and reversible elite-c based split keyboard that builds on previous designs to fit your needs.
A small, minimalist and reversible elite-c based split keyboard that builds on previous designs to fit your needs.
A small, minimalist and reversible elite-c based split keyboard that builds on previous designs to fit your needs.
A growing engineering knowledge base covering Python, C, C++, embedded systems, electronics, electrical engineering, mathematics, automation, and computer science.
A growing engineering knowledge base covering Python, C, C++, embedded systems, electronics, electrical engineering, mathematics, automation, and computer science.
A growing engineering knowledge base covering Python, C, C++, embedded systems, electronics, electrical engineering, mathematics, automation, and computer science.
Field Oriented Control (FOC) implementation with calibration sequences for various embedded projects in C
A PCB Project, from pcb to C - all without any libs. Functionality: A pcb - with CPU, Sensor, Display. The core functionality is to gain data (from the sensor) and to show them on screen (per spi). Sensor is speaking per i2c
An hardware audio interface featuring an ouput selector and an amplifier powered by usb C
Open ultrasound computed tomography: verified full-waveform imaging across FPGA hardware, Python/C++/GPU software, and simulation. Try it in your browser (WebGPU) at jeromegraves.com/openUSCT
Sirius experimental rocket avionic (On-board electronics) created by Paul Miailhe, Version 2023/2024 launched at C'space 2024
Toolkit: Pocket-S: Open-source ESP32-S3 multi-tool alternative to Flipper Zero — Sub-1GHz, NFC, RFID, IR, BLE, WiFi with modular expansion in C