Very simplistic RF enabled (subGHz range) switch with two control points which are opto-isolated.
Requirements:
- NFC Type 2 Tag reader
- Stepper motor controller
- UART communication,
Major components:
- MSP430F2272
- TL1963
- CC1101
- 4N25
Number of PCB layers: 4
BOM price: 28 USD
Realization time: 2 weeks
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Simple RF Switch