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relaycontrol [2020/07/22 19:57]
admin [Relay Control]
relaycontrol [2020/07/22 20:01] (current)
admin [Relay Control]
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 You can control the physical world with a Hello Hub and **ring-u** phone system! Need to open a door, turn on lights, or a siren? Maybe ring a bell or open a gate? In July 2020, the geeks at **ring-u** added support for the popular Sainsmart and compatible 4 and 8 channel/​relay modules. Similar **FT245RL** chip controlled units via USB should also work. These are usually also available on [[https://​amazon.com|Amazon.com]] , the links below have better specs and wiring information. ​ You can control the physical world with a Hello Hub and **ring-u** phone system! Need to open a door, turn on lights, or a siren? Maybe ring a bell or open a gate? In July 2020, the geeks at **ring-u** added support for the popular Sainsmart and compatible 4 and 8 channel/​relay modules. Similar **FT245RL** chip controlled units via USB should also work. These are usually also available on [[https://​amazon.com|Amazon.com]] , the links below have better specs and wiring information. ​
  
-Note: If the board relays say 12V on them, you need 12v to operate the board. ​+Note: If the board relays say 12V on them, you need 12 Volts DC to operate the board. ​