DIY
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Customizable router bit box for various shank sizes
Organize your router bits with this 3D printable box. Continue reading
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DIY: Digital EM84 “magic eye” replacement
My first attempt at making a digital replica of an indicator tube. Continue reading
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DIY: USB-to-UART (FTDI) converter
A custom FTDI adapter with a space saving FFC connector, for applications where standard pin headers/sockets are too big. Continue reading
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DIY: Noval (9-pin) vacuum tube test adapters
Test sockets that make the pins of noval vacuum tubes easily accessible for test instruments and signal generators, while being operative in circuit. Continue reading
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DIY: STM32 WhiteBoard48: A “Blue Pill” alternative with twice the program memory
Breadboard friendly development board with STM32F103CBT6. 128KB program memory and optional 4MB flash. Continue reading
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DIY: ST-LINK interface board for STM32
Reusing the ST-LINK adapter from a Nucleo board as programming and debugging interface for your custom STM32 boards. Continue reading
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DIY: STM32 WhiteBoard64, Part 2: Assembly and testing
Soldering and testing the new STM32F411 development board. Continue reading
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DIY: STM32 WhiteBoard64, Part 1: Design
Designing a breadboard-friendly STM32 development board with lots of I/O and memory, using a 64-pin STM32F411RET6 microcontroller. Continue reading
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Making new brass covers for Radionette Kurér knobs
A tool for small scale production of replacement decorative parts. Continue reading
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DIY high temperature programmable thermostat
A programmable thermostat/thermometer/thermofuse with K-type thermocouple sensor. Range from 0°C up to 1024°C (depending on sensor). Continue reading
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DIY RF Step Attenuator/Dummy Antenna
A cheap and simple RF attenuator, with 10dB steps from 0 to -40dB, and integrated dummy antenna, for use when aligning old AM radios. 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 