A single-side PCB for the web-based device controller using Arduino is shown in Fig. 5 and its component layout in Fig. 6. Assemble the components on the recommended PCB to minimize assembly errors.

The relay board is an I2C device, device address is changeable, refer to changeI2CAddress (uint8_t new_addr, uint8_t old_addr) . Use getChannelState () to know the state of every channel.

The Smart Timer Relay Controller is an Arduino-based project designed to automate the control of an LED (or other electronic devices) based on specific hours of the day. By utilizing a Real-Time Clock ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, ...

Simply, it’s an Arduino library for communicating with Modbus slaves over RS232/485 via RTU (remote terminal unit) protocol. In conclusion, the Modbus 2-channel 5V relay module is a very useful device ...

The RGB LED module lets you make all sorts of colors with just four pins from the Arduino. Learn how to do it here!

Image: Intel Two years after launching the Curie-powered Arduino 101 maker board, Intel is calling it quits on the hardware. The chipmaker has announced the end-of-life for its Curie Module, which ...

Arduino UNO R4 Renesas RA4M1 32-bit maker board offered with optional ESP32-S3 WiFI & BLE module Arduino have launched an upgrade to their 8-bit Arduino UNO R3 board with the Arduino UNO R4 featuring ...