A Dual Sensor Fan Controller Build
A while back, I added a fan controller to my Topward 6603A power supply. Later on, when I bought a […]
Teardown of a Static Fieldmeter
Static fieldmeters (or electrostatic fieldmeters) are typically used for non-contact measurements of the electrostatic field strength (usually in kV) of […]
A Super Bright Light Source
I did a teardown of a SMART UF-55 DLP Projector a while ago, and later I showed how to hack […]
Adding Strain Relief to an Existing cable
Not all cables have proper strain relief built to the connector ends. This is particularity true for some of the […]
Epson PowerLite 84 Multimedia Projector Teardown and Repair
I recently was given a broken Epson PowerLite 84 projector. The projector would not turn on when plugged in and […]
Wavetek 395 Arbitrary Waveform Generator Teardown
I picked up a Wavetek 395 arbitrary waveform generator on eBay a few weeks ago. Wavetek 395 is a single […]
Hacking an OSRAM P-VIP Projector Lamp Driver Board
After taking the SMART UF-55 projector apart, I decided to take a look at the salvaged circuit boards to see […]
Teardown of a SMART UF-55 Projector
My workplace was throwing away an old SMART UF-55 DLP projector. The projector had many stuck mirrors and the lamp […]
Lambda LQ-521 Power Supply Teardown and Repair
I bought a non-working Lambda LQ-521 linear power supply on eBay a couple of weeks ago. Usually I avoid knowingly […]
RSA SecurID Teardown
I did a teardown of an RSA SecurID many years ago (you can see that post here). In that teardown, […]
Hacking DTM0660L Based Multimeters
In my previous post, I did a review of the 6000 counts ennoLogic eM860T true RMS multimeter. This meter is […]
Quick Review of the ennoLogic eM860T True RMS Multimeter
I picked up an autoranging True RMS multimeter from ennoLogic a couple of weeks ago. Before this purchase, I actually […]
Teardown of an 8-10 GHz RF Isolator
I did a teardown video of a microwave range (8-10 GHz) RF isolator last week. As a follow up, I […]
Teardown of a Tektronix 2465
Today at a time when digital storage oscilloscopes (DSO) are almost ubiquitous, analog scopes like Tektronix 2465 remain popular among […]
Keithley 706 RTC Upgrade – How to Make Any Clock More Accurate
The builtin real-time clock (RTC) in my Keithley 706 works rather nicely as a clock in my lab when the […]