Hardware projects tagged kicad-pcb

555 timer PWM driver - Schematic, PCB and 3D case model

NUCLEO-G474RE compatible CAN shield.

Fault latch for IMS/AMS(BMS). Based on JacobParent7's design.

Collection of add-on boards in mikroBUS™ standard

Sample and hold circuit for photomultiplier pulse signal processig

Pluggable SFP Module Breakout

Buck-boost convertor TSP631000

Prototipo capaz de medir determinados parámetros de la potabilidad de una muestra de agua para el consumo.

Christmas Tree PCB, made with FOSS

Symmetrical RF filter module with SATA connector input/output

Single-cell Li-Ion Battery management system with I2C interface

Silicon PIN diode cosmic radiation detector

ATmega1284P uC module in Arduino Pro Mini format

Alveo U25 Debug Connector to Xilinx JTAG and UART and I2C Adapter

LT7DK PMW3360 Trackball Development Kit

Alternative circuit for SHARP EL-210 calculator

Nuclear radiation sensor with ionization chamber as a detector. Hard to make, IMHO inferior to semiconductor detectors.

An archive for my KiCad project folders.

LK7D 7 Keys RGB Macropad

Breadboard-friendly dsPIC30F4011 (DIP-40, all-THT) dev board—KiCad 8 hardware (Rev D) plus XC16 demo firmware, 12 V→5 V regulation, crystal clock & ICSP.

LT6C 6 Keys Trackball

LK16C 4x4 Daisy-Chainable Keyboard PCB

Remake of the board of the 5-th EPO (2017), using KiCAD 7.0, to measure the Boltzmann constant through the analysis of the thermal noise of a resistor.

A repo with STM32 based PCB designs

Kevinbot Core - Parallax Propeller 2 Robot Controller

A DIY 8 Bit Adder from single transistors

GNSS reciever ready to RTK (Real time kinematics) technology

The module featuring two RF switches. Designed for radio transceivers with separate input and output.

PCB and KiCad-Files for a 8Port WLED ESP32_mini Board

Lightning sensor module based on AS3935 Franklin Lightning Sensor IO. Sensor can be connected via I2C or SPI bus.

Nintendo Gameboy cartridge-shaped FPGA development board

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.

Strain Gauges analog front end and ADC

Hardware source (KiCad) from my master's thesis in telecommunications engineering at the Polytechnic University of Valencia, 2025.

🌏 Detecting seismic wave using 3 geophones and 3-axis accelerometer, pack & send data to AnyShake Observer over RS232 / RS485 serial.

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.

Arduino based data logger with LoRa IoT interface.

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.

Tokay AI Camera - ESP32 camera development board

Semiconductor cosmic radiation detector Silicon diode interface.

XIAO base board PCB & configuration for ESPHome based sensors.

QFH active antenna analog front end and down converter

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

Small low-power MPPT module for photovoltaic cells.

Universal Arduino based data logger to SDcard.

Small low-power photovoltaic MPPT module with LTO battery

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.

STM32F469I-DISCO compatible CAN shield.

Schematic and PCB for Li-Po charger with power path, power management inputs, charging state and 3.3V output and I2C fuel gauge