The schematic of our first lab is supposed to make a LED flashing.
What is cool about this circuit is that it includes: resistors, transistors, and capacitors that all have their own roles on our LED.
What was cool about working on this circuit is to mimicking the symmetrical set-up of the components. In fact, by following this symmetrical schematic, it actually helped the process of assembling the circuit.
Using 9V power supply:
The video shows the LED flashing:
Lessons learned:
- Start with what I think the key components are. In this case, I started with the transistors.
- Follow the (+) and (-) ends of the components and where they go on the (+) and the Ground on the breadboard.
- Identify if there is an interesting shape to the circuit and see if one could be followed. In this case, the symmetrical shape was a very good guide to begin with.
- Look up on the computer to make sure the (+) and (-) ends of more complex components such as transistors.
- Remember and train my eyes on the connected paths of a breadboard so I know to what extent and the freedom I have to work with when connecting the components (without cramping them too much). If I look closely, I typically would find that there are more alternative paths to connect the components than I thought on the board.
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