The Velleman MK107 DIY minikit circuit utilizes a 555 timer IC and a dual 4-bit shift register IC to create an 8 LED running light. In the primary mode, the LEDs light up in sequence from one side of the board to the other. You can push the program button to change the running light effect, and use the potentiometer to adjust the speed. The circuit is powered by a 9V battery and the battery holder is included with the minikit.
Velleman MK107 LED Running Light Minikit
Original price was: $8.79.$4.72Current price is: $4.72.
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