Questions tagged [esp32]
For issues relating to the ESP 32 Wi-Fi and Bluetooth combo chip of Espressif.
esp32
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send image (multipart data) to http api from esp32
i am trying to get a http post request to work on an esp32 where i try to send multipart data to an api.
currently this is how it looks, but i just cannot get it to run properly. it does not send the ...
- 541
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Connecting ESP32 IDF MQTT5 Example to HIVEHQ
I am using the IDF MQTT5 example project, and have built it unmodified and can connect to Mosquito
I (47716) mqtt5_example: Other event id:7 I (47726) main_task:
Returned from app_main() I (49036) ...
- 41
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Arduino IDE esp32 rainmaker method declared void error
I am trying to integrate my esp32 with rainmaker. I am using this official example on expressif git repo https://github.com/espressif/arduino-esp32/blob/master/libraries/RainMaker/examples/...
- 2,055
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Serial.Read() of ESP32 skips 0 values when reading HEX data
I am trying to read data form my SmartMeter (Siemens IM350) and therefore i would like to use an ESP32. The SmartMeter sends data every 1 second when being called. The signal of the SmartMeter is ...
- 13
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While getting the time from the RTC on the ESP32, there are gaps in milliseconds
I am using a timer interrupt on the ESP32 that triggers every 1ms. However, when I read the millisecond time from the RTC, there are gaps between the millisecond values.
How can I solve this issue? I ...
- 11
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ESP32-cam and TB6612 motor driver : how to slow down motor speed?
I'm building a small robot with the following components:
2 x 3.7V Lipo batteries (series) -> 7.4V
TB6612 motor driver
2x 6V DC motors
ESP32-CAM with antenna as microcontroller (AI Thinker)
I'd ...
- 91
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How to Capture and Handle Zero-Length TCP ACK Packets in Go?
I am working on a TCP file streaming server written in Go that communicates with an ESP32 microcontroller. The ESP32 sends TCP packets, including ACK packets with zero-length bodies but containing ...
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28
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Kotlin app failing to connect to bluetooth socket (ESP32S device)
val device: BluetoothDevice = bluetoothAdapter.getRemoteDevice(deviceAddress)
val uuid: UUID = UUID.fromString(uuidString)
try {
bluetoothSocket = device....
- 47
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HTTPS request on SIM A7672X usigng the tinyGSM Lib
I have been trying to make an HTTPs request with the SIM A7672X module using the tinyGSM lib but am having issues, i was following the example from: randomnerdtutorials with minor modifications as we ...
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Connect a esp 32 cam to a oled display [closed]
I am trying to connect esp 32 cam to a i2c oled display ( one with vcc, gnd, sda, sck pins ), but I just can't let it work no matter what the circuit and code used are pinned below.
Code link
I ...
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Fatal Error No Serial Data Recieved when Trying to connect to ESP32 CAM
Essentially trying to to connect my ESP 32 Camera AI Thinker to upload code via an Arduino UNO using Arduino IDE, Are there any ways to solve this problem, I have tried many videos and other forums ...
- 43
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Lora E220-400T22S to ESP32S wiring, transmitting/receiving issue
I'm trying to connect the Lora E220-400T22S version installed on the Ebyte E15 card with an antenna to ESP32S and transmit or receive RF data.
my code is based on this library ESPIDF Lora github
...
- 408
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Where to store display data in a C Project
I am writing a C-Program for an Esp32, to display some Images on a 8x32 LED-Matrix.
I struggle to store the Image Data in a way, that different .cpp files have access to it, but it won't lead to ...
- 23
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how to control two switch separate in thingsboard iot using esp32
Thingsboard , I'm having trouble with two switch. I'm trying to integrate a switch widget into the dashboard so that I can control two led, but two switch in the same function i dont know why.
i noted ...
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Cannot open RTDB Stream using C in ESP32
I'm making an api wrapper for Firebase API using C and ESP32, I'm able to pull and push data to RTDB. Currently I've been struggling to stream data from RTDB.
This is the current code I have that is ...
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