Wiren Board 5: 1-Wire extension module

Hardware

The module will contain GPIO protection, an active 1-Wire line pullup and a current limiter at 5Vout.

Pinout

The signals are output to the terminals of the expansion module O1-O3.

Pinout:

Terminal	Function
O1	5Vout
O2	1-W
O3	GND

In the old revision 1.0 (shipped before 1.06.16) Pinout:

Terminal	Function
O1	1-W
O2	5Vout
O3	GND

Operation

GPIO

When installed in MOD-1

input	GPIO
1-W	85
UP-1-W	76

When installed in MOD-2

Input	GPIO
1-W	22
UP-1-W	23