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1-Wire is a microlan protocol developed by Maxim-Dallas, similar to I2C and SPI, but using a single Data/Ground pair. Typically includes Parasitic Power on the Data line, through the use of strict communication timing.
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1-wire slew rate and active pullup control in firmware
I'm using the 1-Wire protocol to communicate with around 24 DS18B20 devices distributed on 3 stubs, each stub being 2m long, all connected to a bus 1m in length, with 100 ohm resistors on each stub co …