Datzfunk
Some things, but no stuff, ever.
SDRPlay RSPduo Failure and Repair
Replacing the backlight LEDs on a Yaesu ft-8900 / ft-8800
Motorola Cellular Bag Phone with 33cm Amateur Radio Band Aspirations
Yaesu MH-48 vs Inexpensive Duplicate
One Year Review of the Good and the Bad of the QYT KT-7900D Radio
Four Way Ham Radio Antenna Switch & Switchbox project.
Loss Demonstration of RG-58 vs RG-174 Coaxial Cable
Astron VS-35M Unstable Output Voltage Problem with Fix.
Replacing a Analog Meter Movement in a Daiwa CN-101L
Fixing a NISSEI DG-503 / MFJ-849 Digital SWR Power Meter After an Odd Failure Mode.
Modifying a "Battery Eliminator Adapter" for a Baofeng UV-82 Radio.
Building a Switch Mode Power Supply based on the FSL206MR
Modifying a switch-mode power supply with a TL431 to change the output voltage.
Using the MC34063 as a boost converter to drive an LED strips
Early "The Clapper" Teardown
Repair of a GE 18048 Indoor Motion-Sensing Light Control.
Teardown of a Voltix USB Power Adapter
Fixing a TaoTronics TT-DL19 LED Desk Lamp.
Quick and Easy PCB Assembly Using a Stencil, Solderpaste, and Hot Air
AOYUE 937 tearrdown
Fixing a short circuit on a "Power Wall" 18650 Battery Pack with a "3S40A BMS" from ebay
Testing and troubleshooting the MP2307 module, in an effort to fix its poor performance.
Teardown and Reverse Engineer of Yihua 898D combination Hot air and Soldering station.
Designing and printing a breadboard back plate.
LED Indicator Circuit with Mains/Line voltage.
AmScope Binocular Microscope disassembly/teardown
Fixing a Samsung LED TV with flashing backlights
Tripp-Lite Isolation Transformer Modification for True Electrical Isolation
Calibrating the Atmega328P & F_CPU to reflect Oscillator Frequency
Running The Atmega328P @ 1MHz & Calibration