<![CDATA[water pump with T-Higrow]]>Re: TTGO T-Higrow

Hi all,

I'm using T-Higrow and I have the water pump, I would like know if is posible to use the 5V pin from esp32 in order to run the water pump or maybe I have to connect the water pump to a external power source.

Thanks

]]>https://www.community.lilygo.cc/topic/151/water-pump-with-t-higrowRSS for NodeMon, 11 May 2026 15:22:05 GMTSat, 31 Dec 2022 18:56:16 GMT60<![CDATA[Reply to water pump with T-Higrow on Sat, 31 Dec 2022 23:57:06 GMT]]>@jcorbella You will need:

  1. a separate power supply rated for the pump
  2. a small relay or mosfet to switch the pump to help isolate the pump motor from the ESP32 circuitry
  3. all grounds connected to a "common"
  4. no power interconnections, I.e. power isolated between LilyGO and pump power supply
]]>https://www.community.lilygo.cc/post/366https://www.community.lilygo.cc/post/366Sat, 31 Dec 2022 23:57:06 GMT