Arduino Nano 4 Channel Relay Shield

The Relay Shield is a module with 4 mechanical relays that provides you an easy way to control high voltage using Arduino Nano. 4 Channel Relay Arduino Nano shield contains onboard 4 relays, TSOP1838 Infra-Red Sensor, NRF24L01 RF transceiver module, 4tactile switches.  The circuit described here can be used for many applications like the infra-red remote controller, RF remote controller,

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2 Channel Relay Shield for Arduino UNO Circuit and PCB layout

2 Channel Relay Shield for Arduino UNO Circuit and PCB layout 2 Channel Relay shield for Arduino UNO can be used in several applications like remote control, on/off AC or Dc load and any circuits which required isolated high current and high voltage. Relay 1 connected to Digital pin D2 and Relay 2 can be controlled through D12 of Arduino

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