This LED Electronic Hourglass Kit is excellent for a beginner to learn how to solder through-hole electronic components onto a pc board.
The pcb is of 1.6mm double layer and the circuit consists of 57 pieces of 3mm blue LEDs.There is a micro switch which can adjust the speed of the hourglass.
Detailed instructions are provided;all you need is some solder, a soldering iron, and a willingness to learn. This kit is great for schools, home school students, workshops and weekend projects.
Once completed you'll end up with an eye-catching display composed of 57 LEDs when you connect it to the included battery holder (4 x AA batteries not included).
Features:
- PCB: 1.6mm double side
- LED: 3mm blue LED
- Board size: 84*40mm
- Power supply: 5V
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