Relay Module

[last updated: 2023-07-21]
used in: Sprinkler System
go to: ...
https://usa.banggood.com/3pcs-5V-4-Channel-Relay-Module-For-PIC-ARM-DSP-...
https://wiki.keyestudio.com/Ks0058_keyestudio_4-channel_Relay_Module
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• Geekcreit from Banggood:
  
  
  

  Geekcreit from Banggood
  5v 4ch relay module – Geekcreit – 3pcs 983480 SKU090677 Banggood $8.79
  4@ independent SPDT relays
  Power board (Vcc) with 5v
  Control inputs (In1, In2, In3, In4)
  Reverse Logic, ie. LOW active:
  Apply Gnd to input pins to activate relays
  Some refs say inputs need 20ma, others say 50ma

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• 4-ch relay board from LighTake:
  
  
  

  from LighTake
  
  

  from LighTake

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• 4-ch relay board from SunFounder (via RobotShop):
  
  
  
  • RB-Suf-05
  • Seems to be functionally identical to GeekCreit above
  • Inputs are Reverse Logic, ie. LOW active:

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