26 June, 2018

Arduino Digital Multimeter

Download Arduino sketch and schematic here:

Arduino Multimeter

Arduino Multimeter is a project based on an Arduino microcontroller and a smartphone. This multimeter is wireless. It is easy to do and does not require many components. Just follow the tutorials step by step and if you have any questions contact us. This multimeter will help you in many projects and it is also very comfortable to use! Do not be scared to see that you have to mount a circuit, everything is well explained in the videos. Start now and build your own Multimeter!

This multimeter has:

  • Digital Ohmmeter
  • Digital ammeter
  • Thermometer.
  • Capacitance meter
  • Oscilloscope.
  • Resistance color code calculator.
  • You can save the results in an internal database.
  • Voltmeter.
  • Light meter.
  • Sine wave generator

Componentes necesarios:

  • Arduino nano or Arduino uno.
  • Bluetooth module HC-05 or HC-06
  • 3 resistance of 10K.
  • Resistance of 1.8K.
  • Resistance of 3.1K.
  • Shunt 0.015
  • 3 resistance of 100K.
  • Temperature sensor TMP36.
  • Resistance of 220
  • Resistance of 13K.
  • Capacitor of 0.1 mF.

Video tutorials:

Presentation:

How to assemble the circuit:

How to use Oscilloscope:

23 thoughts on “Arduino Digital Multimeter

    • Только что отправил вам на почту!Спасибо за интерес к проекту!

  • esta bueno necesito la versión paga (pro) pero que se le pueda consignar el dinero de forma que no sea tarjeta crédito ni debito

  • Hola Neco, podrías subir un video sobre el funcionamiento del detector de H de bobinas, estoy ensamblando el circuito, pero para decidirme comprar la versión pro de la aplicación me gustaría ver El funcionamiento del circuito, gracias!

  • Hola Serjio, descargué multimetro pro para medir inductancias pero lamentablemente no muestra el valor medido, solo por instantes parpadea valores que van cambiando. También probé medir voltaje de una pila pero no muestra, solo sale 0.0v
    Agradeceré me digas que está pasando.

  • Not able to upload the sketch to Adruino nano
    Error Prompts troubleshooting#upload

    Avrdude: stk recov not responding
    stk getsync not in sycn

    Kindly Help

    • You need to make sure you set the right port and you set the right microcontroller. Please open the programm and i menu “Tools”
      Make sure in sevtion “Board” you set “Arduino nano”
      In section “Port” port you are connect arduino.
      If this not work contact ne at necodesarrollo@gmail.com

      • do NOT connect BT module when you do upload the sketch!
        BT is connected in parallel on Rx/Tx pins used for usb/serial adapter onboard, so… you can experiment some strange behaviors!

        steps:
        – connect Nano to computer, alone
        – upload the sketch
        – disconnect Nano
        – do the required connections
        – put Nano in his socket
        – power up
        – enjoy! 🙂

        PS works fine with a Mini Pro, too… 🙂

        • Thank you, but i don’t connect bluetooth module to Tx/Rx pin, i use bluetooth serial and i can choose pin i want to use. It only need to disconnect bluetooth module when you use Rx/Tx connection of the arduino board, but in my project it doesn’t.
          Thank you!

  • Sergio, como va, el modulo hm 10 es posible usarlo? o solo los hc 05 y 06. Gracias por tu respuesta. Saludos

  • Hi.. Can i ask if it is possible to make the osciloscope function connected with bluetooth and not hardwired to the headphone jack. Thank you

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