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docs: update ds18b20 readme

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IOsetting 2022-06-11 20:16:36 +08:00
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10
demo/gpio/ds18b20/README.md
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@ -28,12 +28,12 @@ In case some DS18B20 doesn't work in parasite mode, you can add one 0.1uF capaci
In thise way DS18B20 actually works in normal power mode In thise way DS18B20 actually works in normal power mode
``` ```
+-----1N4148-|>|-----+ +-----1N4148-|>|-----+
| | | |
| |DS18B20|-VCC--+ | |DS18B20|-VCC--+
| | | | | | | |
P35 --+-DQ--|DS18B20| 0.1uF P35 --+-DQ--|DS18B20| 0.1uF
| | | | | |
GND ----GND-|DS18B20|-GND--+ GND ----GND-|DS18B20|-GND--+
``` ```