arduino ide - How to reset esp8266 NodeMCU? - Stack Overflow
Apr 6, 2017 · Is there any way to Factory reset the NodeMCU? I tried flashing 1MB of nothing into 0x000000 0x100000 0x200000 and 0x300000. It looked like it worked but when I checked back to …
How to fix "SerialTimeoutException: Write timeout" error with …
May 18, 2019 · I was trying to build a simple IoT product using a nodemcu, an LED, and the blynk app. This is the most basic thing you can do with a nodemcu. However, when I was uploading the …
How to determine flash size of NodeMCU? - Stack Overflow
Sep 22, 2016 · Just bought a couple of NodeMCU from vendor on AliExpress. They were advertised as "v2" and having 4M flash. How can I verify the flash size? The board says "Ver 0.1", but don't know if …
NodeMCU not detected by computer - Stack Overflow
I have bought today a NodeMCU v2 (I think). I connected my NodeMCU to my laptop with a microUSB to USB cable, the same one that I use to transfer photos from my phone to my laptop. The laptop …
ESP32-WROOM-38pin, pin number to control onboard LED
Dec 13, 2024 · I have several 38-pin boards from various vendors. However, the OP's description of The LED does flash on and off every time I enter a command into REPL. seems to be very different from …
NodeMCU - error 'http' not declared in this scope
Dec 12, 2016 · I am using Arduino 1.6.13 (Windows) to write and send sketches to NodeMCU. I have a custom NodeMCU built against the master branch. It includes file, gpio, http, mdns, mqtt, net, node, …
Blue light on NodeMCU Esp8266 doesn't blink - Stack Overflow
Blue light on NodeMCU Esp8266 doesn't blink Asked 8 years, 7 months ago Modified 1 year, 4 months ago Viewed 11k times
RCSwitch library seemingly not working for 433 Hz receiver on ESP32 …
For this I got an ESP32 NodeMCU, a RTC time module (which seems to work quite fine) and a 433 Hz receiver/sender set. I followed several tutorials regarding the wiring and uploaded the example files …
ESP8266 send & recieve data without being in a network
Aug 24, 2020 · I want two NodeMCU ESP8266s to communicate to each other, but I don't want them in a network. I was thinking about the transmitter could broadcast packets all the time and the reciever …
NodeMcu Serial Communication Tx and Rx - Stack Overflow
Mar 10, 2019 · NodeMcu Serial Communication Tx and Rx Asked 6 years, 8 months ago Modified 2 years, 7 months ago Viewed 19k times