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8 Channel Optically Isolated I/O Shield for Arduino Nano

https://www.electronics-lab.com/8-channel-optically-isolated-o-shield-arduino-nano/

This shield enables you to interface many different devices to Arduino Nano using optically isolated inputs/outputs. The circuit consists of 4 Input channels and 4 Output channels and all 8 I/O lines are optically isolated. This project can help in various industrial applications where EMI noise and high voltage lines can damage the Arduino Nano […]

4 Channel Opto-Isolated Module Using High Speed 6N137 Optocoupler

https://www.electronics-lab.com/4-channel-opto-isolated-module-using-high-speed-6n137-optocoupler/

4 Channel Opto isolated board has been designed around 6N137 Opto-coupler, the 6N137 optocoupler is designed for use in high-speed digital interfacing applications that require high-voltage isolation between the input and output. Applications include line receivers, microprocessors or computer interface, digital programming of floating power supplies, motors, and other control systems. The 6N137 high-speed optocoupler […]