Hardware projects tagged pcb-design

STM32 datalogger PCB in KiCad — battery-backed RTC (LSE crystal), I2C EEPROM, VBAT domain, ERC/DRC verified

Raspberry Pi Zero Shield/Hat KiCad component and example project

Custom industrial-grade PLC and logic controller engineered around the ESP32 platform.

Motor controller based on DRV8874

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 project of an STM32-based board climate controller utilizing an RTC module for time-scheduled environmental reading of temperature/humidity with SHT30 sensor and optional small relay for control.

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 template ESP32 S3 with circuit schematic and KiCad project files

ESP32 driven, WiFi-enabled dual-button doorbell with custom audio signals and real-time red/green indicators.

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.

Analog DC Motor Driver (BC547 + 5V Relay). Hardware project designed in KiCad for Inatel's E05 analog electronics class.

Open Wheather Station based on STM32