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Build instructions for the in-circuit flash adapter for ESP 12-E part 3
9 Okt 2017 17:04
Flash adapter ESP12E



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BOM ESP12E Adapter
Build instructions part 1
Build instructions part 2
Build instructions part 3
Wiring Diagram

Here Part 2 of the ESP-12-in-circuit-adapter build:
  1. Soldering in the circuit wires
  2. Soldering in the pin headers
  3. Finalizing and test

1. Soldering in the circuit wires

Solder in the lead circuit wires that are needed to operate the adapter:

2. Soldering in the pin headers

Push the pin headers onto the holes of the base board, hold straight and solder them:

3. Finalizing and test

Complete the missing links. For the RX pin of the ESP module no space was left, so this lead was realizes using a thin litz wire. (in the image red). To operate the ESP nothing special is required. As soon as 3.3V power will be applied to the power pins, it boots from the internal flash.

Flashing:

To flash, press both buttons then release (viewed from upper front) the right button (reset) and then the left button (GPIO0) Now the Module is in flash mode and can be supplied with programs and data.

 

 

 



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