localhorst/FTDI_simple_alarm
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spell fixing

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Hendrik Schutter
2020-05-12 08:50:19 +02:00
parent b861d1f559
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README.md
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@ -11,7 +11,7 @@ Use a USB-Serial Converter like the FT232RL for activating a buzzer. Simple and
* works safe on system with only one `/dev/ttyUSB` device
* no other task can use the FTDI device for other things
## Handware:
## Hardware:
1. FT232RL Breakout board ~1,5€
2. NPN Transistor like 2N2222A ~0,0€
3. Active Buzzer 5V ~0,25€