Microcontrollers
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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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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: 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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DYI: A mini “Arduino” which can power your peripherals
An ATMEGA328P based “Arduino” board with built-in switching voltage regulator, and wide input voltage range. Continue reading
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DIY: ATMEGA328P-AU bootloader burner
The ATMEGA328P is well known from basic Arduino boards like Uno, Nano and Pro Mini. When buying one of these boards, you can step directly into programming the microcontrollers from Arduino IDE. If you have bought the same microcontrollers separately, you need to install a Bootloader before you can upload code via the serial interface. Continue reading
CATEGORIES
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ABOUT ME
Self-taught electronics hobbyist. Collector of Tandberg and other Norwegian broadcast receivers.
Retronics 