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Wireless Relay kit (4 channels-12V) is a perfect remote switch for those hobbyists with home automation DIY projects or business Industrial electrical
Programmable load current
it can interface with up to 64 buttons set up in an 8x8 matrix
If the interrupt has been enabled
Heart Rate (Pulse) Sensor ADC0808 Wireless Relay kit (4 channels-12V)Introduction : Pulse Sensor is a well designed plug and play heart rate sensor for Arduino. It can be used bystudents, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart rate data into their projects. The sensor clips onto a fingertip or earlobe and plugs right into Arduino with some jumper cables. It essentially combines a simple optical heart rate sensor with amplification and noise cancellation
