The Aoyue 128 is a soldering tip cleaner. It has two rotating brass brushes that clean and polish your soldering iron type. I bought it on a whim, and review it in this post.
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Eico 369 RF Sweep Generator
I bought an Eico 369 RF Sweep Generator. The video covers my experiences with it, from the moment I unboxed it to when I made the first sweep.
Read MoreDIY Digital RF Attenuator
I build a digital RF stepped attenuator. It uses a PE4302 chip, along with an RGB encoder and a VFD display. It attenuates from 0 to 31.5dB in 0.5dB steps.
Read MoreSinometer VC2000 Frequency Counter Review
I review the Sinometer VC2000 Frequency Counter. You can buy one on Amazon for less than a hundred bucks.
Read MoreRGB Rotary Encoder on a Raspberry Pi
The video in this blog entry shows how to connect a rotary encoder to the Raspberry Pi. The particular encoder is from SparkFun and contains a pushbutton switch as well as a tri-color LED.
Read MorePolaroid 312 LED Camera Light – Teardown and Repair
People may have noticed my Camera Light shut down unexpectedly during the Pilotuner video. I finally got around to tearing the camera light apart and fixing it.
Read MoreDIY Variable AC Power Supply
I build a 0-30V adjustable AC power supply for the bench using a Variac, 28 VAC transformer, a digital panel meter, and a handful of other support components.
Read MorePilotuner T601 FM Tube Tuner Restoration
I restore a Pilotuner T601 FM tuner. This is an interesting piece of history, as it’s one of the earliest FM tuners. It doesn’t even have an amplifier and is designed to be attached to an existing radio or receiver.
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