Teardown of a Cel-Fi Go X Cell Signal Booster
In the area where I live, the cell phone reception is spotty at the best. Even though I am only […]
In the area where I live, the cell phone reception is spotty at the best. Even though I am only […]
The latest addition to my lab equipment is a Keithley 230 programmable voltage source which can output up to ±100V. […]
Gyroscopes nowadays are based on micro-electro-mechanical systems (MEMS) technology. They are low cost and extremely miniaturized. A device combing both […]
A couple of weeks ago, I got myself an Agilent U1731B LCR meter on eBay. These handheld LCR meters are […]
Have you ever wondered what is inside of a 15 year old commercial color projector? Well we will find out […]
I bought a USB wall outlet adapter recently so that I can free up my wall outlets while charging my […]
Recently I got hold of a dead APC SurgeArrest power strip that was about to be thrown out in my […]
I just picked up a Keithley 775A programmable frequency counter from eBay. Specification-wise, this counter is very similar to the […]
Although LED light bulbs have been around for a while, I have not been able to totally replace all my […]
I recently bought an HP 8671A microwave frequency synthesizer on eBay. This synthesizer can generate signals from 2GHz to 6.2GHz […]
My video on the teardown of an HP 493A traveling wave tube amplifier had generated quite a bit of interest. […]
I few months back, I wrote about my experience with the six dimmable Philips LED bulbs I purchased a year […]
I recently picked up a BK Precision 1696 programmable switching power supply off eBay. Unlike many of the vintage test […]
The last ingredient for my backup power project is an inverter. Since the battery bank I built is a 12V […]
I recently purchased a BSide ACM03 Plus clamp meter so that I could do some high current measurements for my […]