Amp Hour Meter moves to protoboard

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Our Amp / Watt Hour Meter (we need a snazzy name for it!) has moved from solderless breadboard to a more permanent protoboard. We have drilled holes all the way through the protoboard for the ring terminals to the load and it’s power supply (the big holes in the current sense board), and installed screws with nuts to attach ring terminals. There are larger nuts between the current sensor board and the protoboard as spacers. Washers are installed under the screw heads, above the current sensor board, and above the screw terminals. This protoboard not only holds the current sensor, but also contains the voltage divider for voltage sensing. There are only 4 connections to the Arduino:

Analog out (current)
Analog out (voltage)

and 3 connections to Load / Power supply

Power supply GND (-)
Power Supply + (P+)
Load + (L+)

Steve Spence

Steve Spence

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