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 ...

Aimed at embedded engineers, hackers and students, the Arduino M0 Pro is designed to help the development of innovative ideas for smart Internet-of-Things (IoT) devices, wearable technologies, ...

In conclusion, the Modbus 2-channel 5V relay module is a very useful device for making something Modbus compatible. I found the module relatively straightforward to use, and it seems to do a good job ...

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

The already-large family of Arduino boards is enriched with a new entry, the Arduino Nano RP2040 Connect, integrating the RP2040 microcontroller developed by Raspberry Pi Foundation with the u-blox ...

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 ...