Tag: Circuit

How to Use a 555 Timer in Monostable Mode

How to Use a 555 Timer in Monostable Mode

It’s been about a year since my last tutorial. Over the last year I learned that teaching in the real world will take away time from teaching in the virtual world. Many people have contacted me asking about a tutorial for the 555 timer in Monostable […]

How to Control the Duty Cycle of a 555 Timer

How to Control the Duty Cycle of a 555 Timer

Continuing with a focus on the 555 timer, this video tutorial looks at how to vary the pulse width of a 555 timer’s output. It’s all possible with just a a hand full components. By varying the duty cycle one may vary the blink rate on an […]

Power Dissipation and How to Avoid Destroying a Resistor

Power Dissipation and How to Avoid Destroying a Resistor

As we learned from the last video, resistors are helpful when you want to limit current. They are also helpful if you want to divide a voltage level, but in order to do any of this, it’s important to understand all about a resistor’s power […]

555 Timer Output Stage (Lens Detector Part 2)

555 Timer Output Stage (Lens Detector Part 2)

The 555 timer has many uses and in this video we’ll explore two different ways to utilize the output. First we’ll see how the the timer can be used to source and sink current and secondly we’ll look at a way to use the timer […]

How To Use KiCad to Make a Printed Circuit Board: Part 1

How To Use KiCad to Make a Printed Circuit Board: Part 1

Welcome to the first ever Skinny Research and Development tutorial. In this episode I’ll teach you how to use the schematic (Eeschema) portion of KiCad to layout a circuit design. This is Part 1 of a three episode series to show how to take a hand […]

Make a Printed Circuit Board in KiCad

Make a Printed Circuit Board in KiCad

***This article has been superseded by a better one. I’ve made 3 videos that go over how to produce a PCB with Kicad. You can access thos videos here: Part 1 Part 2 Part 3 [hr] Of all the skills I’ve picked up over the […]