Devices
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Review: JBC CD-2BQF soldering station
The JBC soldering station, promising fast heating and stability, faced multiple issues during testing. From cosmetic flaws to significant performance discrepancies, such as actual heating times far exceeding the claimed 2 seconds, and temperature overshoots. The unit’s firmware also appeared unrefined, and its purported 130W output power was questioned. The manufacturer’s response to these concerns… Continue reading
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DIY: Digital 6U5 Magic Eye replacement
A solid-state 6U5 replica based on circular TFT display and STM32 microcontroller. Continue reading
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DIY: Test sockets for vacuum tubes
Adapters for testing and experimenting with tubes. Socket types Octal, P8A and U6A. Continue reading
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DIY: Switched breadboard PSU, 6-20V input, 3.3V and 5V outputs, 2 Ampere
A small yet powerful PSU for breadboards, with optional USB input. Continue reading
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DIY: Breadboard adapter for 0.99″ circular display with GC9107 controller
A small adapter board for interfacing the ER-TFT0.99-2 display. Continue reading
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Restoration / renewal: Tandberg Sølvsuper 4
Combining the best parts from two broken radios, and applying new veneer, to make one fuctional and good looking radio. Continue reading
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DIY: work light / warning light / emergency light / morse SOS flasher for DeWalt XR batteries
The creation of DeLight Omni, a compact, omnidirectional lamp powered by DeWalt XR batteries. The lamp offers adjustable brightness and four different modes: directional light, omnidirectional light, warning flasher, and SOS morse code flasher. Continue reading
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DIY: AGC disabler for use when aligning vacuum tube radios
A battery powered, adjustable voltage source for locking broadcast receivers’ AGC lines at a certain DC voltage during alignment. Continue reading
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Repair: Samsung UE55NU7105, 55″ 4K LED TV
Repairing a BN44-00932C PSU board, which is used in UE55NU7105 and several other Samsung TV models. Continue reading
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DIY 600 volts capacitor discharger, constant current
A 10mA constant current capacitor discharger for use with e.g. vacuum tube radios/amps, or switch mode power supplies. Continue reading
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DIY 600 volts capacitor discharger pen
A pen-shaped capacitor discharger with LED status indicator, for fairly high voltage circuits like vacuum tube radios and amplifiers, and switch mode power supplies. Continue reading
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Customizable router bit box for various shank sizes
Organize your router bits with this 3D printable box. Continue reading
CATEGORIES
- Devices (58)
- Audio amplifiers (4)
- Broadcast receivers (13)
- Instruments (23)
- Microcontrollers (9)
- Power supplies (1)
- Storage (1)
- Televisions (1)
- Tools (11)
- Vacuum tubes (1)
- Horticulture (3)
- Processes (60)
- 3D printing (13)
- Concepts (4)
- DIY (48)
- Modification (5)
- Recycled parts (4)
- Repairs (3)
- Restoration (8)
- Woodworking (1)
ABOUT ME
Self-taught electronics hobbyist. Collector of Tandberg and other Norwegian broadcast receivers.
Retronics 