Unanswered Questions
876 questions with no upvoted or accepted answers
4
votes
0
answers
2k
views
Is there a way to use ESP8266 in promiscuous(monitor) mode and see the the wifi packets?
I didn't find much documentation about ESP promiscuous mode (just from the espressif sdk although I'm using ArduinoIDE https://docs.espressif.com/projects/esp8266-rtos-sdk/en/latest/api-reference/wifi/...
- 73
4
votes
0
answers
9k
views
How do I interpret the esp8266 "boot mode" message?
Everytime the chips resets, we get the reason and the next boot mode.
ets Jan 8 2013,rst cause:XXX, boot mode:(YYY,ZZZ)
For XXX we can check the meaning here.
For YYY and ZZZ I am not sure but I ...
- 225
4
votes
2
answers
732
views
Bluetooth communication not working with DC power but works with USB power?
I am running an HM-10 Bluetooth Low Energy (BLE) module to transmit serial data (using SoftwareSerial) from an analog sensor onboard my Arduino Uno to a serial terminal app on my Android phone. When I ...
CommunityBot
- 1
4
votes
0
answers
206
views
How to filter out "jumpy" readings sent using Bluetooth
I'm using App Inventor to continuously send orientation values (as strings) to my Arduino, which are read using Serial.parseInt(). Using simple IF statements (if value > threshold), I'm trying to turn ...
- 2,422
4
votes
0
answers
471
views
Problem in using COZIR W-100 with arduino
I was using the COZIR W-100 carbon dioxide sensor with an Arduino Mega 2560 with the example code from this site.
But the measured value of carbon dioxide by sensor was 90 ppm in fresh air and that ...
4
votes
0
answers
175
views
Can d2xx connect to an arduino mega 250?
I am trying to replace a device which used a FTDI chip (http://www.ftdichip.com/Drivers/D2XX.htm) to get USB to serial. I need some more code on the chip, so I want to use an arduino mega 2560 instead....
- 41
4
votes
0
answers
7k
views
Arduino GSM receiving text and then storing value as a variable in code
I am using an Arduino Mega board with a SIM900 GSM.
My goal is to be able to text the GSM with a value of two digits (ex: 79) and then store that value as a variable in the code. I know how to set ...
4
votes
2
answers
137
views
Turn ESP8266 into an Arduino IDE-like "sketch uploader" (over hardware serial)
I have an ESP8266 module which has downloaded a hex file for an Arduino Mega2560. This hex file (call it mega2560.hex) is sitting in the ESP's SPIFFS file system. What I want to do is basically ...
- 18.2k
3
votes
1
answer
165
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 ...
CommunityBot
- 1
3
votes
0
answers
74
views
Why RTU bridge timeout even though answer is received?
I'm testing the following code as a bridge between https://sourceforge.net/projects/qmodmaster/ and https://pypi.org/project/pyModSlave/.
As hardware, I'm using a NodeMCU 1.0 and a USB/TTL converter.
...
- 31
3
votes
0
answers
32
views
is it possible for a client esp8266 to control the esp8266 that set as an access point?
Im creating a project where i need to set one of my esp as a hotspot or access point but i would like to put a function where i could control the connected esp8266 client using the esp8266 that set as ...
- 61
3
votes
0
answers
490
views
Integration of MAX30100 and DS18B20 Thermal Probe Integration
This is for my final year project that I have been tasked with designing a patient monitoring system. However, during the last stretch of model prototyping, I am experiencing issues with my MAX30100 ...
3
votes
0
answers
208
views
ESP8266 01 doesn't react after baud rate change
Hello guys I have my ESP8266 connected to my Arduino. Then I typed in AT in the serial monitor. It confirmed this command with OK. After that I typed in AT+UART=9600, 8, 1, 0, 0 which gave me the ...
- 41
3
votes
0
answers
1k
views
ESP8266 Webserver does not respond
I am trying to reach the webserver running in my Wemos D1 Mini compatible board.
I am trying one esp8266 example using Arduino examples "WifiManualServer" code below.
I have replaced the SSI ...
3
votes
0
answers
3k
views
Using or creating Wi-Fi Direct (P2P) connection on ESP8266
I want to make a Wi-Fi Direct connection with an android device using my ESP8266. According to ESP8266WiFi Documentation and ESP8266 datasheet, the board has a SoftAP mode which is I think what is ...
