[GH-ISSUE #751] updating sketches

kerem commented

2026-02-28 01:26:17 +03:00

Owner

Originally created by @diegoalbaga on GitHub (Oct 11, 2018).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/751

Basic Infos

Hardware

WiFimanager Branch/Release:

Master
Development

Esp8266/Esp32:

ESP8266
ESP32

Hardware: ESP-12e, esp01, esp25

ESP01
ESP12 E/F/S (nodemcu, wemos, feather)
Other

ESP Core Version: 2.4.0, staging

2.3.0
2.4.0
staging (master/dev)

Description

i have flashed mi esp8266 a few time testing the library and now sometime i get features from previous sketches, how to i erase or delete the previous sketch or format the memory on my esp?? NOTE: im using a nodemcu

Settings in IDE

Module: NodeMcu, Wemos D1

Additional libraries:

Sketch


#include <Arduino.h>

void setup() {

}

void loop() {

}

Debug Messages

messages here

Originally created by @diegoalbaga on GitHub (Oct 11, 2018). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/751 ### Basic Infos #### Hardware **WiFimanager Branch/Release:** - [ ] Master - [X] Development **Esp8266/Esp32:** - [X] ESP8266 - [ ] ESP32 **Hardware: ESP-12e, esp01, esp25** - [ ] ESP01 - [X] ESP12 E/F/S (nodemcu, wemos, feather) - [ ] Other **ESP Core Version: 2.4.0, staging** - [ ] 2.3.0 - [ ] 2.4.0 - [ ] staging (master/dev) ### Description i have flashed mi esp8266 a few time testing the library and now sometime i get features from previous sketches, how to i erase or delete the previous sketch or format the memory on my esp?? NOTE: im using a nodemcu ### Settings in IDE Module: NodeMcu, Wemos D1 Additional libraries: ### Sketch ```cpp #include <Arduino.h> void setup() { } void loop() { } ``` ### Debug Messages ``` messages here ```

kerem commented

2026-02-28 01:26:17 +03:00

Author

Owner

@tablatronix commented on GitHub (Oct 11, 2018):

erase flash via esptool
or select erase flash in the arduino ide board menu
to completely erase flash

or you can erase in sketch, but these erase credentials not flash

// ESP.eraseConfig();
// wm.resetSettings();

@tablatronix commented on GitHub (Oct 11, 2018): erase flash via esptool or select erase flash in the arduino ide board menu to completely erase flash or you can erase in sketch, but these erase credentials not flash // ESP.eraseConfig(); // wm.resetSettings();