Modification
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Andonstar AD407 microscope add-ons, part 2: Base, PSU and LED dimmer
Extending the base platform. Making a custom PSU and LED dimmer. Continue reading
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Andonstar AD407 microscope add-ons, part 1: extender and LED ring
Some of the drawbacks of this microscope, and how to fix them. Continue reading
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Add-on: USB DAC integrated in Tandberg Huldra 11
A DIY DAC which lets an old receiver play music directly from a PC. Continue reading
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Modification: Tandberg Huldra 11 LED illumination
Radio dial illumination with LED strips and a DIY adjustable PSU. Continue reading
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ABOUT ME
Self-taught electronics hobbyist. Collector of Tandberg and other Norwegian broadcast receivers.
Retronics 