AS3933-AN01
Demoboard Description
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Revision 1.1/ 24/02/13
page 4/20
1
General Description
With the AS3933 Demoboard it is possible to demonstrate the chip’s features as described in the
AS3933 datasheet. The 125kHz Wake-up Transmitter Board is included to offer the user a complete
system for evaluation purposes. This application note describes the operation of the two boards and
gives details on the hardware and software implemented in the demokit.
2
Kit Content
The kit comprises
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1x 125kHz Wake-up Transmitter Board
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1x AS3933 Demoboard
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2x CR2032 coin cells
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1x USB cable
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1x USB stick
3
Getting Started
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Connect the +9V DC power supply F to the 125kHz Wake-up Transmitter Board.
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Insert the +3V battery at H of the AS3933 Demoboard
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Turn on the AS3933 Demoboard via the ON/OFF-Switch C. All LEDs flash up once.
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Start transmitting wake-up patterns via AUTO E of PATTERN B.
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As soon as the AS3933 Demoboard receives a wake-up pattern the RSSI LEDs flash up for
0.5s and show the momentary received signal strength. At the same time the X, Y, or Z
LED flash up indicating which channel receives the strongest signal.
4
Hardware Description
4.1
AS3933 Demoboard
Figure 1: AS3933 Demoboard Top and Bottom
A
C
D
E
F
H
G