OngoingSTM32 Smart Relay
STDSTM32 Smart Relay
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License
：MIT
Creation time:2019-02-06 00:38:15Update time:2021-11-29 11:45:26
Description
Smart relay module for DIY prototyping.
Features:
- Pads for free MCU pins
- USART( TX:PA9, RX:PA10 ) or I2C( SCL:PA9, SDA:PA10 )
- SPI( SCK:PA5, MISO:PA6, MOSI:PA7 )
- ZC detector for relay latching syncronization
- Buttons debouncer
- XTAL for zero-drift relay timings
- Optional touch sensor (U1, C5)
BOM
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 220k | R1,R2 | 1206 | 2 |
| 2 | 22k | R3 | 0805 | 1 |
| 3 | 1k | R4 | 0603 | 1 |
| 4 | LL4148_C181117 | D1 | LL-34_L3.5-W1.5-RD | 1 |
| 5 | 1nF | C2 | 0603-CAP | 1 |
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