Spartan Arduino PLC 16RDA (Relay Output)
Arduino-based PLC with 8 digital inputs and 6 relay outputs, programmable via USB. Communicates over I2C; up to 127 modules can be chained. Supports multiple voltage and interface options.
Pinout
- Digital inputs (8)Type · Signal
- Relay outputs (6)Type · Signal
- I2CType · Signal
- Power terminalsType · Power
| Pin | Type |
|---|---|
| Digital inputs (8) | Signal |
| Relay outputs (6) | Signal |
| I2C | Signal |
| Power terminals | Power |
Pin details
4 connections- Digital inputs (8)Signal
- Relay outputs (6)Signal
- I2CSignal
- Power terminalsPower
Relays
46 other optionsGravity and Grove single-relay modules, Pi relay HATs, USB-RLY16 boards, Sonoff Wi-Fi smart switches, and Waveshare Modbus RTU/TCP industrial modules — matched by control interface and contact rating.
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