20KHZ Optocoupler Isolation Board 4 Channel Optocoupler Isolation Module PLC Level Conversion For Isolation Single Chip Microcomputer from other stores

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  FOR TLP281 4 CH 4-Channel Opto...

  FOR TLP281 4 CH 4-Channel Opto-isolator IC Module For Expansion Board High And... FOR TLP281 4 CH 4-Channel Opto-isolator IC Module For Expansion Board High And Low Level Optocoupler Isolation 4 Channel more

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  $20.99 Free Delivery Go to store
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  FOR 10PCS/LOT TLP281 4 CH 4-Ch...

  FOR 10PCS/LOT TLP281 4 CH 4-Channel Opto-isolator IC Module For Expansion Boar... FOR 10PCS/LOT TLP281 4 CH 4-Channel Opto-isolator IC Module For Expansion Board High And Low Level Optocoupler Isolation more

  Details
  

  $25.99 Free Delivery Go to store
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  IoTPi

  Both IoTPi 4 and 6 Channel Boards come with an onboard RP2040 micro-controller... Both IoTPi 4 and 6 Channel Boards come with an onboard RP2040 micro-controller ESP8266 Wi-Fi module 4/ 6 relays Isolation Power Supply and Isolation Photocoupler. Additionally to these the 4-channel IoTPi board also has an AC/ DC Convertor. IoTPi 4... more

  Details
  

  $36.17 Delivery: $9.99 Go to store