In this episode we build and test the circuit for the volt meter so we will be able to monitor the car’s charging system
Code: https://github.com/yoshimoshi-garage/neoteric
Diagrams: https://github.com/yoshimoshi-garage/neoteric/tree/main/doc/diagrams
BOM: https://github.com/yoshimoshi-garage/neoteric/blob/main/doc/bom/bom.md
Tools and parts
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Meadow F7 Microcontroller: https://store.wildernesslabs.co/
SPDT Relay: https://amzn.to/349kWzW
Power Supply: https://amzn.to/35PFy0r
1% Resistors: https://amzn.to/3remHEo
Zener Diodes: https://amzn.to/3gurATD
Breadboards: https://amzn.to/3ues0Wh
source