Browse hardware designs
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Public designs
☀️ KiCad-based LT3652 solar battery charge controller PCB with solar input, battery charging terminals, charge/fault status header, adjustable control, schematic, PCB layout, and 3D renders.
A custom-designed ATmega328P-based data logger PCB featuring dual I²C EEPROMs and a DS1337 real-time clock for reliable time-stamped data storage.
KiCad-based PCB project for an STM32-powered IoT weather station with environmental sensing, real-time clock support, battery charging, and e-paper display connectivity.
Arduino based data logger with LoRa IoT interface.
4-layer PCB datalogger designed in KiCad — ATmega328P with DS1337 RTC, I2C EEPROM, and UART/SPI/I2C breakouts
Hardware PCB Design for AVR-based Datalogger using KiCAD
A solar-powered board for monitoring garden soil moisture levels.
Open-Source Zigbee, Thread, wm-Bus, LoRa, LoRaWAN gateway for Home Assistant.
4-layer RF PCB design of a low-power LoRa sensor node based on STM32WLE5CCU6, featuring 50Ω controlled impedance RF routing, SMA antenna interface, and HDC2022 temperature & humidity sensor. Designed in KiCad.
Hardware source (KiCad) from my master's thesis in telecommunications engineering at the Polytechnic University of Valencia, 2025.
No description.
Small, Custom Tools for Electronics
12V UPS
A low budget macro numpad based on ESP32 and CH9329.
No description.
LoraWan soil sensor
A Meshtastic device based on the Seeed Studio XIAO nRF52840 and EBYTE E22-XXXMXXS series LoRa modules. Pinout matches the Meshtastic xiao ble variant.
No description.