Teardown of a ToolTop ET829 Handheld Oscilloscope/DMM/AWG
Over the last year, I have done teardowns of a few handheld scopemeters including a Hantek 2D72, an Owon HDS272S […]
Micsig STO1004 Smart Tablet Oscilloscope Teardown
I did a thorough review of a Micsig STO1004 DSO last week. It is a powerful four channel scope taking […]
Teardown Pictures of a Hantek 1833C LCR Meter
A dedicated LCR meter is a luxury for many electronics hobbyists, but it is extremely useful when dealing with analog […]
NanoVNA SAA-2N Teardown Pictures
I received yet another NanoVNA for review. This time it is a S-A-A-2 (NanoVNA V2) with N connectors instead of […]
Teardown of a LiteVNA Vector Network Analyzer
In a previous post, I did a teardown of a NanoVNA-F V2. This time let’s take a look at a […]
Teardown Pictures of the OWON HDS2102S Oscilloscope/DMM/AWG, Compared to the HDS272S
HDS2102S is the latest version in OWON’s HDS200 series 3-in-1 handheld oscilloscope. It combines a digital oscilloscope, a digital multimeter […]
How Does a Spot Welder Work? Review, Teardown and Analysis of a BIFRC DH20 Battery Spot Welder
A while back I built a spot welder with an old microwave oven transformer (MOT). Since then, I have used […]
Teardown of an OWON HDS272S 3-in-1 Handheld Oscilloscope/DMM/AWG – Compared with Hantek 2D72
I recently got my hands on an OWON HDS272S, a top-of-the-line 3-in-1 handheld oscilloscope/digital multimeter/arbitrary waveform generator in OWON’s HDS200 […]
Teardown of an RSRF Cross-Polarized Dual Band Cellular MIMO Panel Antenna
In this blog post, let’s take a look at a cross-polarized dual band MIMO Panel antenna that is designed for […]
Cel-Fi Go X Cell Signal Booster Extreme Teardown
About a year ago, I bought a Cel-Fi Go X signal booster for my house as where I live the […]
Teardown of a UNI-T UT61E+ True RMS Multimeter
UNI-T‘s UT61E+ is a 22,000 count true RMS multimeter. It was released towards the end of last year and is […]
Teardown and Testing of a 1500W Pure Sine Inverter
A while back, I did a teardown of an 800W Reliable Electric Pure Sine inverter. In this blog post, let’s […]
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 […]
Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source
The latest addition to my lab equipment is a Keithley 230 programmable voltage source which can output up to ±100V. […]
Teardown of a Piezoelectric Vibrating Gyroscope
Gyroscopes nowadays are based on micro-electro-mechanical systems (MEMS) technology. They are low cost and extremely miniaturized. A device combing both […]