Oyvind's Circuit Tips: What circuit should I start with?

Let's say I only got one chance to convince you that electronics is "worth it" - what circuit would I tell you to build?

I think I would say build the blinking LED circuit.

When you know how to blink a light, you know the "secret" behind a lot of circuits.

You can use it to build a turn signal for your motorbike or to create a blinking Christmas decoration. You can tweak one of the components and create sound. Add a few buttons and create a musical instrument. Add a 4017 chip to create running lights or make a melody box.

This tiny circuit is the basis of so many cool things in electronics!

If you haven't built one yet, I highly recommend it.

Keep On Soldering!
Oyvind @ build-electronic-circuits.com

PS! Whenever you're ready, here are two ways I can help you learn electronics (and both ways involve building a blinking light circuit):

Get the eBook Getting Started With Electronics: A short and beginner-friendly eBook I wrote to help people get started. It contains clear and simple instructions to get started building electronics. Perfect for complete beginners.
Join Ohmify: Ohmify is for people interested in electronics who want to learn skills like PCB design, soldering, and project-building - while also getting a proper understanding of the basics.

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Lesson 7: How to build the circuit

It's build day! That's the best day of the week. But first: Have you ordered the components yet? If not, go back to lesson 6 to see how to get your hands on the right components. In this lesson, I'll show you how to build the blinking light circuit. Let's start with the complete circuit diagram: (The numbers next to each pin in the diagram represent the pin number of the Hex Schmitt Trigger Inverter.) Component List: BATT1: 9V Battery U1: Hex Schmitt Trigger Inverter (74C14 or CD40106) C1: Polarized Capacitor (100μF) R1: Resistor (10 kΩ) R2: Resistor (10 kΩ) LED1: Light-Emitting Diode (low power) Breadboard Connections: If you just want to know how I connected it on my breadboard, here's how: Step-by-Step Instructions: I've created step-by-step instructions that will explain each step I did to arrive at the connections shown above. And you can use the comment section to ask questions if you're struggling to get...

Lesson 6: Getting components

It's time to get your hands dirty! So far you've learned how to blink a light on paper. But the real fun is in building it. The first circuit I ever built was a blinking light circuit. I built it with my dad in our basement when I was around 13. Seeing the circuit working for the first time was such an amazing feeling! So in this and the next email, I want to help you build the circuit. I can't stress enough how important it is to build things, not just read. How do you build things with electronics? You need to have the components for the circuit. Most of the components can be found for a dollar or less. I'll show you where to get them soon. AND - you need a way to connect the components as shown in the circuit diagram. To connect the components, you could either solder them onto a prototyping board - or you could use a breadboard. I recommend using a breadboard. It's quick and easy to build a circuit. And you can reuse the c...

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