Unable to install ESPHome to ESP8266

ESPHome
1

Hi everbody,
I want to controll my garage door with home assistant and follow this instruction https://haade.fr/en/blog/domotize-your-garage-door-for-5 linked at the ESPHome homepage.
I bough the ESP8266 mentioned in the description (https://www.ebay.de/itm/272442219816)
and this programming tool https://www.ebay.de/itm/165674947501

When I now conntect the programming tool to the HA server and RX ↔ TX, TX ↔ RX, GND <->GND and 3V3 ↔ 3V3, the LED D4 is blue as mentioned in the instruction.
When I try to create a new ESPHome Device I get this error message after compiling was successfull.

ERROR Running command failed: Failed to connect to ESP8266: No serial data received.

When I unconnect the 3V3 pins and use an external powersupply to the ESP board no LED loghts up even thought the ESP8266 itself is supplied with 3.3V.

Any ideas what to try next? Might the programmer be incompatible with an ESP8266? I found the same programmer without a compatibility with ESP8266 mentioned…

2

You didnt mention about pulling Gpio0 low to put in flashing mode. Show a pic of how you connected the 2 boards.

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I tried to get the wireing as clear as possible. The brown wire is tx on the esp an rx on the prog., orange is rx on the espband tx on the prog. and black is gnd to gnd.

To pull gpio0 to low there is a the little bridge below the programming pins.

4

That yellow header is for programming Esp-01.
So the pin labels match labels on Esp-01 board.
You need to wire tx to tx and rx to rx

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5

Well spotted Karosm. It also wouldn’t hurt to use as short as possible cables between the modules.

6

That worked! Thanks a lot. How did you know that?
I´d like to lern fishing instead of asking for fish :grimacing:

7

You are welcome.
Just logical thinking. A pcb where you need to insert a dev module likely have dev module’s pins labeled. Anything else wouldn’t make sense.
The case is different if you use bare USB-TTL converter.