Hi! I recently bought my first esp module for my Arduino, i bought this module: Esp8266 [image] I connected the Esp8266 in the following way : [image] When i run the code i get the following error: error: failed reading byte warning: espcomm_send_command: can't receive slip payload data …

error: espcomm_upload_mem failed ESP8266 ERROR

Juraj March 18, 2018, 9:21am 7

why do you have RX from Uno on voltage divider? you need to reduce the voltage of transmit from Uno.

swap wires of RX/TX on Uno side, because you have TX to TX and RX to RX connected between uno and esp

Topic		Replies	Views
Error while uploading code into ESP8266 using an Arduino Uno Networking, Protocols, and Devices	2	1718	May 6, 2021
Esp8266 d1 mini: espcomm_upload_mem failed Microcontrollers	1	573	May 6, 2021
problem uploading a sketch to esp8266-12e IDE 1.x	3	838	May 5, 2021
Get warning: espcomm_sync failed error: espcomm_open failed error: espcomm_uploa Programming Questions	2	2197	May 5, 2021
ESP-01 Probleme beim Upload Deutsch	10	3594	May 6, 2021