Review on π Delinx 2Pcs AC/DC to DC Step Down Buck Converter: Adjustable Volt Power Supply Board, 5-30V AC to 2.5-35V DC, 2A Current, Voltage Regulator Module by Allen Tchida
Easily add USB power to low voltage HVAC wiring
This item is perfect for powering my Ring Alarm keyboard from the same 24V AC source that powers my Ecobee thermostat. I simply cut off the micro USB cable for power only, plugged it into the output and set it to 5.2V.
- Comfortable
- No power
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