1-Wire Relay Controller 1.0

Common ground 1-Wire relay controller based on DS2405. The layout is easily scaleable to an arbitrary number of outputs.

Schematic and layout were drawn using the freeware version of Eagle.

Schematic

Board

The board is completely routed in 2.54 mm raster. Therefore it's easy to build it on experimental boards:

Prototype

Partlist

Qty Device Bürklin order no. Parts
21 DS2405 not available PIO1 - PIO21
3 ULN2003AN 50 S 2350 IC2, IC4, IC6
3 74LS540N 44 S 2200 IC1, IC3, IC5
3 Resistor network 7 x 4k7 92 E 2850 RN1, RN2, RN3
2 Wago 233-504 09 H 3248 X1, X2
6 Wago 233-508 09 H 3252 X3, X4, X5, X6, X7, X8
Sockets, optional
3 DIL socket, 16 pin 14 B 1914
3 DIL socket, 20 pin 14 B 515
2 DIL strips 15 B 6318