In this post, I'll show you a Raspberry Pi microscope I made for soldering and inspecting PCBs. The great thing
This short post is a cheat sheet for transact SQL or T-SQL for Microsoft Server. I wrote this for myself
In this short post, I'll show you how to read and write to/from the serial port using Powershell.
In this post, I'll show you how to measure the length or find a break in a coaxial cable with
In this post, I'll show you how to measure the value of capacitors and inductors with your oscilloscope and waveform
Some tome ago(few years) I was using Google Analytics to check the traffic to this very site. I was looking
In this post I will document some of my smaller projects that don't deserve a whole blog post of their
In this post, I'll show you how to make a cheap portable spectrum analyzer from a TV receiver dongle. The
Usually, you would just buy the whole IR module which contains the transmitter, receiver, and amplifier. However, in this post,
In this post, I'll show you a plasma speaker I made many years ago in fact, over 13 years ago.
In this post, I'll show you my DIY FPV goggles. These obviously aren't as good as proper FPV goggles but
In this post, I'll show you a handheld induction heater I made. I bought the ZVS driver circuit board and
In this post, I'll show you the induction heater I made. I bought board and coil as it's easier and
In this post, I’ll show you how to make a signal generator and oscilloscope from a PC soundcard. I used
In this post, I'll show you how to use and program the Attiny 85 Digispark board with the Arduino IDE.
Recently I decided to clean up my project backlog by either finishing or scraping the projects. A lot of times
In this post, we’ll see how to make an SD card reader shield for the Arduino. It’s pretty simple as
In this post, I’ll show my DIY SMD vacuum pickup tool. I bought this vacuum pump SMD pickup but it
In this post, I’ll show my DIY solder paste dispenser. It’s powered by a 12V adapter and can be operated