Changes to Component: NPN1

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 13:250 Comments

NPN1 using the 2N222A was triggering flash mode on boot, with some troubleshooting help from member SUF here. I Swapped it out for a pin compatible BS170 N channel mostfet

"the MOSFETs Gate is insulated from the Drain-Source channel,

and not acting like a clamping diode"

Schematic Changes: