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 […]
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 […]
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 […]
HP 7044A X-Y Recorder Teardown, Lorenz Attractor
I picked up an HP 7044A X-Y recorder on eBay recently. This one was made in the early 1980’s and […]
Cheap UV EPROM Eraser Teardown and Spectrum Analysis
Till recently, I have been using custom circuitry whenever I needed to backup some firmware. But the process was rather […]
Beats Solo Bluetooth Headphone Teardown
I got this broken Beats Solo2 BT wireless headphone from one of my colleagues. In fact, it was broken once […]
Datum/Symmetricom 8040 Rubidium Frequency Standard Teardown
I finally got my hands on a Rubidium frequency standard. I have been wanting to get one of these for […]
Teardown and Repair of a Racal-Dana 1992 Frequency Counter
I picked up a non-working Racal-Dana 1992 Frequency Counter on eBay a few weeks ago. The symptom is that only […]
Teardown of a Vivitar Rapid Battery Charger
I just picked up a charger along with a couple of NP-FW50 spare batteries for my new Sony Alpha A6000 […]
Bertan/Spellman 225-20R HV Power Supply Teardown
I just picked up another high voltage power supply, this time it is a working Bertan/Spellman 225-20R 20kV one. Unlike […]
Bertan/Spellman 205A-05R High Voltage Power Supply Teardown
I got a non-working Bertan 205A-05R 5kV high voltage power supply and did an attempted repair video a while ago […]
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 […]
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 […]