4 20 Ma Generator Diy

By | September 8, 2023

4 20 MA Generator DIY: A Step-by-Step Guide

In this tutorial, we will show you how to build a 4-20 mA generator from scratch. This is a relatively simple project that can be completed with basic tools and materials. The finished generator will be able to output a current of 4-20 mA, which is a standard signal used in industrial automation. ### Materials * 1 x 5V Arduino Uno * 1 x 10k ohm potentiometer * 1 x 1N4007 diode * 2 x 100 ohm resistors * 2 x jumper wires * Breadboard * Protoboard * Wires ### Tools * Soldering iron * Solder * Wire strippers * Wire cutters * Multimeter ### Steps 1.

Assemble the circuit.

The first step is to assemble the circuit on a breadboard. The following diagram shows the circuit that we will be using: Circuit diagram for the 4-20 mA generator 1. Connect the Arduino Uno to the breadboard. 2. Connect the potentiometer to the breadboard. 3. Connect the diode to the breadboard. 4. Connect the resistors to the breadboard. 5. Connect the jumper wires to the breadboard. 2.

Upload the code.

The next step is to upload the code to the Arduino Uno. The following code will generate a current of 4-20 mA: ``` #include const int OUTPUT_PIN = 9; const int POT_PIN = A0; void setup() { pinMode(OUTPUT_PIN, OUTPUT); } void loop() { int potValue = analogRead(POT_PIN); int outputValue = map(potValue, 0, 1023, 4, 20); analogWrite(OUTPUT_PIN, outputValue); } ``` You can copy and paste this code into the Arduino IDE and then upload it to the Arduino Uno. 3.

Test the generator.

The final step is to test the generator. You can do this by connecting a multimeter to the output of the generator and then adjusting the potentiometer. The multimeter should show a current of 4-20 mA. ### Conclusion In this tutorial, we showed you how to build a 4-20 mA generator from scratch. This is a relatively simple project that can be completed with basic tools and materials. The finished generator will be able to output a current of 4-20 mA, which is a standard signal used in industrial automation.


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