Plastic Screw & Spacer (Spacer L:6mm)
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Basic eight LEDs for PIC IO pins status display.
The ULN2003A is a seven channel Darlington (NPN) array which able to control seven output.
Matrix IO Converter is used to convert each I/O pin to different I/O pins
External LCD Port is used to allow user to extend the 2x16 & 4x20 LCD Display.