Waveshare High-Precision AD/DA Board User Manual page 6

High-Precision AD-DA User Manual
2) Jumper settings:
Set the Power Supply to 5V: connect the pin 5V and VCC.
Set the Reference Input Voltage to 5V: connect the pin 5V and VREF.
Connect the pin DA0 to LEDA, the pin DA1 to LEDB. Then the brightness of LEDA indicator will be
changed according to the voltage output of DA0 and the brightness of LEDB indicator will be
changed according to the voltage output of DA1.
3) When using SSH for terminal control, please connect the network cable. The software PuTTY
should be installed. See the section 1.2.
4) Power up.
5) Copy (using a USB drive as a carrier) the software directory, DAC8532, to the Raspbian OS. Note:
the system will detect the USB drive directly under GUI, else if using SSH Connection, the USB
drive cannot be operated until it is mounted to the Linux. Search the key words "Linux mount"
for more details.
6) Make the files:
Enter the directory DAC8532, and execute make to compile it.
Execute sudo ./dac8532_test
7)
Note: if it prompts command not found, please use chmod +x dac8532_test to add
execute permission.
8) Expected result: the brightness of LEDA and LEDB changes gradually.
Revision: 1.2. Date: October 30 2015. Author: Zhou Jie. Editor: Felix
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