Browse hardware designs
BoardRepo is the GitHub for hardware. View any KiCad schematic, PCB, and BOM in your browser and download the sources, no install and no account needed.
Public designs
Without using a USB-C PD controller chip, handling communication over the USB cable, USB-C standard allows to get 5V up to 3A through a hardware availability detection. Here I show a design developed on KiCad and made through JLCPCB, powering from a USB-PD source and providing 5V and 3.3 (through a step-down converter) up to 3A.
Universal Arduino based data logger to SDcard.
Small low-power MPPT module for photovoltaic cells.
STM32F469I-DISCO compatible CAN shield.
Semiconductor cosmic radiation detector Silicon diode interface.
Arduino based data logger with LoRa IoT interface.
Schematic and PCB for Li-Po charger with power path, power management inputs, charging state and 3.3V output and I2C fuel gauge
Domestic vibration sensor with ESP32: detects and monitors motion and vibrations in real-time using a 6-axis MPU-6050 IMU. Battery-powered and Wi-Fi/Bluetooth enabled, ideal for smart home, IoT, and predictive maintenance applications.
GNSS reciever ready to RTK (Real time kinematics) technology
RP605K is a compact ultra-low-power buck-boost converter module with a built-in battery monitor. Vin: 1.8-5.5V and Vout: 3.3V up to 300mA
XIAO base board PCB & configuration for ESPHome based sensors.
Universal Zigbee Sensor Board (ESP32-H2-Supermini): A KiCad 9.0 project for a versatile, low-power sensor platform using the ESP32-H2-Supermini, designed for easy integration of various sensors in IoT applications.
Lightning sensor module based on AS3935 Franklin Lightning Sensor IO. Sensor can be connected via I2C or SPI bus.
The module featuring two RF switches. Designed for radio transceivers with separate input and output.
Hardware source (KiCad) from my master's thesis in telecommunications engineering at the Polytechnic University of Valencia, 2025.
Nintendo Gameboy cartridge-shaped FPGA development board
Three-Phase Energy Monitor (3P4W) with RJ45 Ethernet communication, powered via PoE and based on the ESP32-S3. Designed for the real-time acquisition and visualization of electrical parameters in 4-wire systems within Office Blocks.
PCB and KiCad-Files for a 8Port WLED ESP32_mini Board