Teardown of an ATVR-1000D AC Voltage Regulator
I bought a used RegVolt ATVR-1000D automatic AC voltage regulator (the model I got has long been discontinued, but you […]
Reverse Engineering of BK Precision 1696 Switching Power Supply’s LCD Protocol
As mentioned in my previous post, besides the broken LCD there was also an issue with the power supply portion […]
Teardown of a BK Precision 1696 Programmable Switching Power Supply
I recently picked up a BK Precision 1696 programmable switching power supply off eBay. Unlike many of the vintage test […]
Teardown of a Watts Up? Pro ES Power Meter
Power meters for measuring power consumption of consumer electronics have been around for at least a decade. The most popular […]
Diode Equation and Forward Current Measurement
We are all familiar with the I/V characteristics of a diode. The main characteristics of a typical diode is that […]
Modifying a Computer ATX Power Supply For Higher Output Voltage
To charge the 110Ah battery bank I built, I need a power supply that can provide at least 10A at […]
Teardown and Testing of an 800W PureSine Inverter
The last ingredient for my backup power project is an inverter. Since the battery bank I built is a 12V […]
Building a 12V 110Ah Battery Bank Using 80 32650 LiFePO4 Cells
During the past couple of weeks I have been busy making a large battery bank using the eighty 32650 LiFePO4 […]
Modifying a 4S 100A LiFePO4 BMS Module
For those who are following my YouTube channel, you would know that I am in the process of building a […]
Teardown and Experiments with a Doppler Microwave Transceiver
I got a couple of Microsemi’s C900502 10.525 GHz X-band Doppler radar motion sensors a while ago. This batch was […]
Teardown of a Philips Dimmable LED Bulb
I bought six Philips dimmable LED bulbs for my dinning room chandelier last year. These are 45W incandescent equivalent (7W, […]
Converting Celsius to Fahrenheit – The Analog Way
I have an old Keithley 1301 temperature probe. This probe is an accessory to the Keithley 130A/131 multimeter and is […]
More Information on BSide ACM03 Plus Clamp Meter
In my previous post, I did a review and teardown of a cheap BSide ACM03 Plus clamp meter and concluded […]
BSide ACM03 Plus Clamp Meter Review and Teardown
I recently purchased a BSide ACM03 Plus clamp meter so that I could do some high current measurements for my […]
Battery Adapter Teardown and Sony A6000 Power-Off Current Draw
I bought a Sony A6000 mirrorless digital camera last year to replace my Cannon PowerShot Elph 300 HS point and […]