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→Part 1: Set up your 5V power supply
[[Image:7805_schematic.png | 350px ]]
Notice the regulator has three legs. They Looking at the front, they are labelled numbered 1, 2, and 3 from left to right.
[[Image:7805_pinout.png | 200px]]
On the breadboard the circuit will look like this:
[[Image:7805_on_breadboard.jpg | 300px]]
Set up a light bulb on your board as a power indicator. If your board has power, this bulb should turn onas indicated in the images below:
[[Image:7805_schematic_w_bulb.png ]]
[[Image:7805_with_power_light.jpg | 200px ]]
Connect your power supply. If your board has power, the bulb should turn on.
*QUESTIONS: with your multimeter,