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Sound module USM-RC-2
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BEIER-Electronic
03.02.2014
Pin assignment in analogue mode
Connections on the sound module:
X1/1
Supply v (5 – 14V DC)
X1/2
Supply voltage -
X1/3
Input for engine sound on/off
X1/4
Motor 1 + (speed)
X1/5
Motor 1 - (speed)
X1/6
Motor 2 + (speed) / switching-input 5
X1/7
Motor 2 - (speed) / switching-input 6
X1/8
Supply v for outputs 1 - 12 (internally connected to X1/1)
X1/9
Switching-output 11
X1/10
Switching-output 12
X2/1
Switching-input 1
X2/2
Switching-input 2
X2/3
Switching-input 3
X2/4
Switching-input 4
X3
Switching-outputs 1 - 10
X4
Slot for Micro SD-Card
X5
Connection for loudspeaker 1
X6
Connection for loudspeaker 2 (optionally)
X7
Connection for the potentiometer for the volume control
X8/1
Connection for servo 1
X8/2
Connection for servo 2
X9
Universal Extension Interface (for example data cable, IR-transmitter diode)