Tag Archive: how-to

How To Make Nice Looking DIY Front Panel

Want to make really nice looking front panel for your next DIY project? Then you’re in the right place!

Converting ATX Power Supply to Lab Bench Power Supply F.A.Q.

atx_psu_faq

Since I’m receiving at least a couple of questions each day about my tutorial video on Converting Computer ATX Power Supply to Lab Bench Power Supply and I can’t answer them all, I thought it’s time to answer to the most frequently asked questions. If you think that I forgot to highlight some important question(s), …

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Hacking Insulin Syringe Into a Logic Probe

Recently I needed some sort of probe to reliably stick onto a tiny .5mm pitch IC pins. My scope probe was a bit unwieldy for that. Not sharp enough either. And so I came up with this probe from a tiny insulin syringe. It is extremely sharp, so it’s really easy to pierce through oxidation …

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How to Choose a Switching Power Supply For Your Next Project

Sometimes selecting a switching mode power supply for your project is no easy task, but information provided here would get you started. In this article I will tell you about most important things you need to know about switching mode power supplies (SMPS) (or just Switching Power Supplies – SPS). So, let’s begin!

Using Microcontrollers (Atmel AVR and Microchip PIC)

Many people using Arduino or some other development board in their projects, instead of making their own board with microcontroller because they simply don’t know how to design PCB with microcontrollers. What microcontrollers need in order to operate? This time I will be focusing on two most popular 8 bit micro architectures: Atmel AVR and …

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Using Relays (Tips & Tricks)

In this article I will tell you how to get shorter relay switching times and how to minimize relay current consumption. The same exact things apply to solenoids and solenoid valves. Usually if you want to control relay from microcontroller you would do something like this:

Converting ATX Power Supply to Lab Bench Power Supply

ATX Power Supply to Lab Bench Power Supply Conversion

Small tutorial on Computer ATX Power Supplies. How to use them, how to connect them in series, in parallel. What is 12V rails? Is it possible to connect 12V rails together? ATX connector wiring explained. What is difference between old computer power supplies and new ones? And finally how to make Lab Bench Power Supply …

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How to make PCB’s using Toner Transfer method.

How to Convert Wireless Mouse to Use Li-Pol Batteries

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How to convert wireless mouse to work on Li-ion battery.