I am trying to build a gateway for ESP-NOW (https://github.com/HarringayMakerSpace/ESP-Now) and I would like to get help with connecting two esp8266 (nodemcu + esp01) with serial link (for use as gateway).
What I done so far:
ESP01 ... NODEMCU ----------------- 3V3 ... 3v3 GND ... GND CH_PD ... 3v3 TX ... RX RX ... TX
The problem is that with this setup NodeMCU (and I think ESP01 too) is not booting (probably because TX is connected?). What's the correct way to connect two ESP8266 as described in ESP-NOW project?
NodeMCU is running this code:
ESP-01 is running this code: