Programming an ESP12E module via FTDI - wiring?

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1

Hello, I know this should be a topic with information all over the internet but for some reason I'm not able to find what I'm looking for.

I have an ESP-12e chip, which I want to program via FTDI and the Arduino IDE. I understand the process on the software side. However, I can't seem to find any wiring setup for doing that (or the ones I've found are incomplete/not specific enough). I've found some schematics with pull up and pull down resistors but I don't understand them fully as they were not very detailed and I thought I wouldn't risk burning my chip without asking here first.

This is the FTDI module I'm using, it's a standard 6 pin one with 5v/3.3v jumper.

Any help will be greatly appreciated.

2

Have a look at the schematic on this page (open the picture in a new window). I'ts a prototyping board I made. I'm using the ESP12-E module

3

I'm a bit new to electronic schematics and I can't quite figure this one out.

I am looking for the simplest possible setup which can get my program uploaded.

4

for esp01 connect tx-rx , rx-tx, and pullup pd pin. external 3.3v psu is required because those modules cant supply enough current. temporarily ground gpio0 and reset to put into program mode and start download.

5

john1993:
External 3.3v psu is required because those modules cant supply enough current.

I suspect a hefty capacitor - perhaps 100 µF - across the 3.3 V line may sort this out as it is very much a transient requirement.

6

Yes, that works, but it's for the ESP01, I've seen it around the web a lot.

If I just look for the pins with same names on the ESP12 and wire it up maybe it should work the same?

7

You can find the connections on github, same place where the Arduino core for the ESP8266:

8

Erni:
You can find the connections on github, same place where the Arduino core for the ESP8266:

Arduino/doc/ESP_to_serial.png at master · esp8266/Arduino · GitHub

THANK YOU!!!
I've been looking for this for more than a week, still not sure how I've missed it.

9

You can visit this blog for steps programming ESP12E via Arduino IDE