Most pictures of HuiDu GPS module work with C16C Control Card：
Huidu HD-C16C HD-C16L Full Color Asynchronous LED Screen Control Card
$67.00
Huidu LED Display Accessories HD-S107 Brightness sensor work with C16C Control Card
$13.60
HuiDu GPS module work with C16C Control Card
$35.00
Most pictures of HuiDu GPS module work with C16C Control Card：
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