Chaapu

Most recent activity

• How to fade-in and fade-out an LED?

  @Chaapu started

  • 5 comments
  • 3,281 views

  @user152410 replied
• Bluetooth not working

  @Chaapu started

  • 4 comments
  • 1,635 views

  @veranoo replied
• Bluetooth not working

  in ESP32 • 2 years, 5 months

  

  Hello,
  I'm trying to get Bluetooth working on an ESP32 but running into a problem.

  When I run

  ESP32.enableBLE(true);
  

  I see an error like below. Not sure what it means.

  https://imgur.com/yjQ38EY

  In the IDE I tried running the below code

  NRF.setServices({
    "3e440001-f5bb-357d-719d-179272e4d4d9": {
      "3e440002-f5bb-357d-719d-179272e4d4d9": {
        value : [0],
        maxLen : 1,
        writable : true,
        onWrite : function(evt) {
          // When the characteristic is written, raise flag
          print(evt);
        }
      }
    }
  });
  
    NRF.setAdvertising({}, {name:"Flag"});
  

  The code uploads and I'm can connect to the device using NRF Connect app. However, when I try to send a value I get the below error

  https://imgur.com/yjQ38EY

  Please let me know what I'm doing wrong.

• Format code

  in General • 6 years, 1 month

  

  Code formatting will be really awesome to have.

• Help needed with DHT11 temperature and humidity sensor

  in Interfacing • 6 years, 2 months

  

  Thanks a lot @Gordon and @Wilberforce. I have tried the new code. Good news is that I no longer get "Guru Meditation error", but I get data like below.

  I understand that DHT11 now works for @Gustav on ESP32. There is as much time that you guys can spend on this, I have read that DHT11 is not the best sensor as well. I am pretty sure this works flawlessly on the official boards. I'll try to get myself one.

  Thanks a lot for all the help. Really appreciate it.

  {"err":true,"checksumError":true,"raw":"­101010100110000000000010111000","temp":-­1,"rh":-1}
  {"err":true,"checksumError":false,"raw":­"","temp":-1,"rh":-1}
  {"err":true,"checksumError":true,"raw":"­1010101001100000000000101110000000001101­0101","temp":-1,"rh":-1}
  {"err":true,"checksumError":false,"raw":­"0","temp":-1,"rh":-1}
  {"err":true,"checksumError":false,"raw":­"0","temp":-1,"rh":-1}
  {"raw":"01010100110000000000010111000000­00011010101","rh":83,"temp":23}
  {"err":true,"checksumError":false,"raw":­"","temp":-1,"rh":-1}
  {"err":true,"checksumError":false,"raw":­"0","temp":-1,"rh":-1}
  {"err":true,"checksumError":true,"raw":"­1010101001000000000000101110000","temp":­-1,"rh":-1}
  {"err":true,"checksumError":false,"raw":­"0","temp":-1,"rh":-1}
  {"err":true,"checksumError":false,"raw":­"","temp":-1,"rh":-1}
  {"err":true,"checksumError":false,"raw":­"","temp":-1,"rh":-1}
  {"raw":"10101010010000000000001011100000­000011010011","rh":169,"temp":11}
  

• Help needed with DHT11 temperature and humidity sensor

  @Chaapu started

  • 14 comments
  • 7,250 views

  @Chaapu replied
• Help needed with DHT11 temperature and humidity sensor

  in Interfacing • 6 years, 2 months

  

  Thanks for your reply. I have already tried pin D16 (comment #7) and I get an error "Guru Meditation Error of type IllegalInstruction occurred on core 0".

  I am powering DHT11 with 5 volts.

• Help needed with DHT11 temperature and humidity sensor

  in Interfacing • 6 years, 2 months

  

  I believe I have confused you, sorry. I am using an external DHT11(not integrated with ESP32), but I get the same error as the other person(with integrated DHT11) if I connect DHT11 to Pin 22.

• Help needed with DHT11 temperature and humidity sensor

  in Interfacing • 6 years, 2 months

  

  Hello,
  I originally had a 10k pull-up resistor between the Data and Vcc pins. I have now tried 1K resistor but that has not helped either.

  Interestingly, I have observed that I either get No data or a "Guru Meditation Error of type IllegalInstruction occurred on core 0. Exception was unhandled." based on which pin I choose.

  e.g.

      pin 15 - {"temp":-1,"rh":-1}
      pin 22 - Guru Meditation Error of type IllegalInstruction occurred on core  0
      pin 16 - Guru Meditation Error of type IllegalInstruction occurred on core  0
  

  I think this person is facing the same issue. http://forum.espruino.com/conversations/­316936/

  Thanks a lot.

• Help needed with DHT11 temperature and humidity sensor

  in Interfacing • 6 years, 2 months

  

  Thanks for the reply. Much appreciated.

  I am using 1v95 firmware. I have also downloaded the latest "espruino_1v95_esp32.bin" from http://www.espruino.com/binaries/travis/­master/
  but no success.