Arduino Multimeter
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components used in video:
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LM317:
https://www.utsource.net/itm/p/101225...
LM7805:
https://www.utsource.net/itm/p/539399...
Arduino Nano
https://www.utsource.net/itm/p/922168...
Current module:
https://www.utsource.net/itm/p/497230...
Resistors;
https://www.utsource.net/sch/resistor...
Here is my new project. Arduino can be used for measuring voltage and current using analog pins. Analog pin will measure volatge and results will be beetween 0 and 1024. Using voltage divider we can measure votages higher than 5V. In this canse i am using 100k resistor and 50k reistor, now i can measure voltages up to 15V.
Analog readings are quite unstable and they change to quickly, so some sort of filtering or soothing is needed. In code I am using this simple method. I colect data from 30 readings in this loop , and then i show only averege value.
I took some time to place all data on this small OLED display. Couple days ago I also finded how i can create these cool fonts very easy and fast, please subscribe becouse i am planing to make video tutorial about OLED fonts.
LIbrary:
https://github.com/stblassitude/Adafr...
download code:
https://drive.google.com/open?id=1dEf...
#ArduinoVoltmeter #ArduinoCurrent