Tag: ESP8266

Problems with ESP32 configured as both Client and AP

In one project I had an ESP32 configured both as Access Point (AP) and as a Wifi Client. Everything was fine, until I changed my home Wifi password. After changing the home Wifi password I wanted to change the Wifi password set on the device through the Web UI I made and hosted on the… Continue reading Problems with ESP32 configured as both Client and AP

ESP-01 Serial.println() or Serial.print() not working

I went crazy, mad trying to understand why the module is not printing anything to the Serial Monitor or receiving any AT commands. I went through lots of articles on the internet and was on the verge of throwing the module away. Just that my mind was not willing to believe that it is dead… Continue reading ESP-01 Serial.println() or Serial.print() not working

ESP-01 and ESP-01S Burning AT ROM- New and Updated

Few years back I had posted an article on burning ROM on ESP-01. The method worked good on my older boards but not working on the newer chips. I needed to spend quite some hours to figure out the problem. And then it turned out that it is the SPI mode that is the matter.… Continue reading ESP-01 and ESP-01S Burning AT ROM- New and Updated

ESP8266 Reset Causes and Common Fatal Exception Causes

This article lists the various Reset causes of Esp8266 esp8266 reset causes and common fatal exception causes.pdf Here is a quick list based on Off’s work here http://www.esp8266.com/viewtopic.php?p=2096#p2112 reset causes: 0: 1: normal boot 2: reset pin 3: software reset 4: watchdog reset boot device: 0: 1: ram 3: flash