Introduction to Breadboard (Protoboards), Part 2 of 2, This video continues part 1 by showing how a breadboard, also called a protoboard, is used to build electronic circuits without soldering, by guiding the student through 10 steps to build a blinking LED circuit based on the 555 IC timer chip. The circuit also needs 3 resistors, 1k, 4.7k, and 10k. It also requires a 10 uF electrolytic capacitor, an LED, some jumper wires, and a 6-volt battery or power supply.
Uses of Breadboard
A breadboard is used to make up temporary circuits for testing or to try out an idea. No soldering is required so it is easy to change connections and replace components. Parts will not be damaged so they will be available to re-use afterwards.
Almost all the Electronics Club projects started life on a breadboard to check that the circuit worked as intended.
The photograph shows a typical small breadboard which is suitable for beginners building simple circuits with one or two ICs (chips). Larger sizes are available and you may wish to buy one of these to start with.
Introduction to Breadboard (Protoboards), Part 2 of 2
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