Version 1.0
The DS206 – I2C switch module is an 8 channel switch module which uses 2 IC’s of type ULN2803 to control electrified turn outs. It has the same pinout as the PCA9685 PWM module and can therefore be connected in the same way. For connecting this module to Loconet, the DS104 – Lnet I2C interface can be used.
The module has one common pin labeled C for the coil voltage for your turn outs and each port can be used to drive either closed or thrown coils of your turn out. A total of 4 turn outs can therefore be controlled.
The DS206 – I2C switch module is sold as do it yourself project containing PCB and all components.
Programming info:
I2C address configurable using jumpers on J1 (A2-A1-A0):
0-0-0: 0x20
0-0-1: 0x21
0-1-0: 0x22
0-1-1: 0x23
1-0-0: 0x24
1-0-1: 0x25
1-1-0: 0x26
1-1-1: 0x27
Pinlayout on I2C IC:
Channel 1 = P0
Channel 2 = P1
Channel 3 = P2
Channel 4 = P3
Channel 5 = P4
Channel 6 = P5
Channel 7 = P6
Channel 8 = P7
Built time for an experienced tinkerer: 20 ~ 30 minutes.
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