short circuits SABER CARD, Инструкция по эксплуатации

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MOTHERBOARD
Contents
The SABER CARD kit is designed to teach you how to solder and desolder surface mount com-
ponents without specialised equipment.
The circuit uses a 555 timer chip that can be set up to emit a clock pulse at a regular interval.
This is fed into a decade counter that turns each of it’s outputs on sequentially. This circuit can
run on 3-16V.
By changing a resistor or capacitor’s value, the clock pulse can be increased or decreased.
When experimenting with the different values available, you will become familiar with replacing
surface mount components.
A video tutorial showing the soldering technique and the build process can be found here .
Circuit
Assembly Instructions
Component Index
6
12
17