Peacefair PZEM-037 Battery Coulomb Meter, Pure Copper with 100A shunt, 0.5m USB & OT8 cable N-type to SMA You can also use Arduino

You can also use Arduino to control a network

increasing the USB current limit to ensure stable operation under heavy system and peripheral loads

to support Raspberry Pi 5 and high-power USB peripherals

It has a 38mm x 36mm space to mount a camera or sensor or whatever you like

A button (can as reset key)

Peacefair PZEM-037 Battery Coulomb Meter, Pure Copper with 100A shunt, 0.5m USB & OT8 cable N-type to SMA You can also use Arduino1. STN large screen full view display: with STN large screen display technology, users can easily view voltage, current, capacity and other information, whether indoors or outdoors. 2. Display voltage current capacity percentage: the multi function display can show voltage, current, battery capacity and percentage at the same time. 3. Bi directional Current Detection: Supports bi directional current detection, not only can it measure the discharge