Power usage meter
I want to build a current meter on an Arduino Uno with an ACS712 current sensor and a 16x2 I2C LCD that shows the current a low-voltage DC device draws.
Parts
Arduino Uno R3 CH340G ATmega328P Board In stock
ACS712ELCTR-05B-T In stock- 16x2 I2C Character LCD Display Module (1602 + PCF8574, pre-soldered) In stock
Dupont Jumper Wire Kit (M-M, M-F, F-F, 20cm, 22AWG, ) In stock
USB Type A to B Cable (1m) In stock
Pins, wiring and code
The pin table, the wiring steps and the code for this build are in Soldr. Start this build on Soldr - you can change it before you buy.