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Voltage Check - Trouble Shooting

A project log for IOT - ESP8266 Dual Relay Module Controller Shield

Intended for a ESP8266-01 module Using NodeMCU Firmware To control my Solar PV setup DC disconnects remotely

charles-lakinsCharles Lakins • 04/07/2016 at 18:31•0 Comments

Voltage Checks:

NPN1 Gate (gpio0) = 2.6v

NPN2 Base (gpio2) = 3,2v

Relay output pin from NPN1 = 0.0v

Relay output pin from NPN2 = 2.7v
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Code or Resistor values?

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Testing Other ESP Modules

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