Questions tagged [esp-12f]
8 questions
2
votes
1 answer
Can I accidentally destroy an ESP8266 ESP-12F module's bootloader?
I'm new to these devices and even if they are very cheap, I don't unnecessarily want to brick them.
I've used esptool to flash the NodeMCU firmware onto my modules. When doing so, I need to specify the address where the file(s) get written, which…
Rob
- 11,492
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1
vote
1 answer
Setting the clock on ESP-12F with micropython, will give the wrong time
Connect the ESP-12F to the Linux machine on USB0 port
From Linux console login into the ESP-12F
$ picocom /dev/ttyUSB0 -b115200
Try to set the clock under micropython
>>> import utime
>>> import machine
>>> time=(2021, 11, 21, 23, 42, 0, 6,…
akoel
- 151
- 8
1
vote
1 answer
How to get the number of devices connected to ESP softAP?
I'm using STM32 as the main microcontroller and an ESP-12F is connected to it via serial port. I'm controlling ESP with AT commands.
I want to figure out how many devices are connected to my ESP. How should I do that?
M.Navidi
- 113
- 1
- 10
1
vote
1 answer
File does not exist error compiling for board NodeMCU 1.0 (ESP-12E Module)
I have an ESP-12F module and installed the ESP-12 from this board manager link http://arduino.esp8266.com/stable/package_esp8266com_index.json.
This image contain the settings these are my Arduino settings for ESP-12F .
It always gives an error…
SUM
- 23
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- 10
0
votes
0 answers
Arduino IDE gives library compilation error for Nodemcu
I need to calculate Matrix Determinant for my project. Of all the ones I've found, this is the best working library.
When I test it with Arduino Mega 2560 it compiles and the codes work fine. But when I try to compile for Nodemcu 1.0 (ESP12E) it…
0
votes
0 answers
ESP12E WiFi always ON even when it should not be
I am having a peculiar problem with ESP12E. Can someone please help me here?
I setup the ESP as an AP and running a server on it. I have configured it in a way that when I send a particular serial data, say "start", it should start the Wifi.
This is…
Vvk
- 13
- 8
0
votes
1 answer
No connection is possible with last firmware builds
I am using NodeMCU since a couple of years without problems, usually I build the firmware with these modules:
gpio
node
tmr
mqtt
wifi
file
dht
net
Yesterday I tried to rebuild the firmware with the same modules and to connect to the device with…
carlo1601
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- 1
0
votes
1 answer
After upload the code to ESP12F (esp8266) the windows COM serial port is disapeared
I bought an ESP12F (esp8266 series). My code a led blinker and works my old ESP12E.
After I uploaded via my COM6 port and started the code on ESP12F then the windows COM6 port disapeared from my device manager :(
The port apeared when I disconnect…
Gábor Horváth
- 139
- 13