Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

The ESP32-C61-DevKitC-1 is a development board based on the ESP32-C61 low-cost WiFi 6 and Bluetooth LE 5.0 SoC that was first ...

MySondy GO LoRa32 is an ESP32-PICO-D4 board with a 433 MHz LoRa module and a 0.96-inch OLED designed to track ...

After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.