Second board to connect to the expansion board - Output Board
Technical Specs :
- Input Volatge : 3V3 or 5V.
- Relay Outputs : 6.
- Interface with the Arduino : MCP23S17 (SPI Bus).
- TTL to switch the outputs : ULN2803ADW.
- Lenght : 68.58 mm.
- Widht : 62.23 mm.
Schema
Simulation
Prototype
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