Questions tagged [esp8266]
An IC that offers Wi-Fi networking compatible with b/g/n standards. It also has integrated TCP/IP protocol stack. Extremely popular along IoT community as a low cost and powerful board.
2,020 questions
-2 votes
0 answers
25 views
Controlling a gear motor turn a valve handle [closed]
How to make the gear motor to turn only from 0 degrees to 90 degrees and back to 0 degrees?
0 votes
1 answer
70 views
ESP8266 + TFT SPI ST7796S - Touch and Display not working together
I am trying to get the touch screen and display working on my ESP8266 + TFT ST7796S. However, only one of them works at a time. Below is my pin configuration: Function Device NodeMCU Pin GPIO TFT_CS ...
0 votes
1 answer
63 views
esp_now_send takes a non-const uint8 mac address. Why? Does it modify it in some way?
I am using the Arduino IDE to do ESP-NOW communication with an ESP8266. In espnow.h, on line 53 I find the function prototype: int esp_now_send(u8 *da, u8 *data, int len); Why does it take the mac ...
0 votes
1 answer
48 views
I've looked at the spec sheet on the ESP8266, but can't find the time it takes for the A/D conversion or the A/D control registers
text or link to describe the answer or a link to where to find the answer. I am a newbie to the esp8266.
0 votes
0 answers
127 views
ESP8266 Not Booting Properly on First Power On – Works After Restart
I'm working on an ESP8266-based water level monitoring system using an ultrasonic sensor and an I2C LCD. The problem I'm facing is that sometimes the ESP8266 does not boot properly when powered on for ...
-1 votes
1 answer
203 views
Arduino IDE Serial Monitor is working, but not Putty - esp8266
I have an esp8266 that most often won't work with Putty, but always works with Serial Monitor in Arduino IDE. Baudrate is set to 115200. Putty fills the terminal window with odd characters and the ...
1 vote
0 answers
256 views
ESP8266 (Mini D1) does not come back after deep sleep but NodeMCU does
Kind of desperate here. I tried every solution found on this forum / google and others. My sketch works perfectly with a NodeMCU 1.0 The same script should work on a Lolin Mini D1, everything works ...
3 votes
1 answer
256 views
Error trying to play audio through an ESP8266 using the 'ESP8266Audio' library
I am attempting to use an esp8266 to play an .mp3 audio file through a connected speaker using the 'ESP8266Audio' library. I have tested that the hardware setup is correct (e.g. I have been able to ...