The Curious Engineer

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jaeblog

justanotherelectronicsblog.com

ElectronicsEmbedded / microcontrollers

’15’20’25
Posts
57 from 25 Jun 2013 to 12 Oct 2026
Posting
now and then (4 in the last year)
Kind
personal blog
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2026 3

  1. A Pi Pico 2 PC for Varvara!
  2. Running Varvara on a Pi Pico 2
  3. Low voltage tube amp part 2

2025 2

  1. A vector graphics workstation from the 70s
  2. A low voltage tube amp!

2024 2

  1. Disassembling a Thinkpad 220 from Japan
  2. Restoring a SUN SPARCstation IPX lunchbox computer

2023 2

  1. Getting started with Litex on a Tang Nano 9K
  2. Repairing a Tektronix 1240 logic analyzer

2022 5

  1. Let’s build a nixie watch
  2. Computing like it’s 1985!
  3. Restoring a Siemens luggable computer, now in video!
  4. Designing a dock for the Lichee RV
  5. A single board computer from before the Raspberry Pi

2021 6

  1. A storage scope from the early 90s
  2. Sipeed Tang 4K ramblings
  3. Let’s finish that lab power supply
  4. A look at the AN9002 Bluetooth Multi-meter protocol
  5. Reverse engineering a 68K VMEbus system
  6. Recreating a lab power supply

2020 7

  1. Using a Raspberry Pi 400 as a desktop computer
  2. Configurable 6502 board
  3. Weird CPU architectures, the MOV only CPU
  4. FPGA Softcore SoC shootout
  5. Designing a custom FPGA board
  6. Driving a 64*64 RGB LED panel with an FPGA.
  7. Reverse engineering an old keyboard

2019 4

  1. A look inside a Marconi signal generator
  2. Turning a CPU into a SoC
  3. A one page CPU in SpinalHDL
  4. Getting an IBM AS/400 Midrange computer on the internet

2018 10

  1. Hello World on the Lichee Tang RISC-V/FPGA board
  2. Using GAls in the 21st century
  3. Programming and debugging the STM8S microcontrollers using open source tools
  4. StupidCPU, the RAM
  5. Using FPGA’s for audio processing
  6. More ECL logic ramblings
  7. ECL logic ramblings
  8. The StupidCPU, an 8 BIT 7400 computer, part 1, the architecture.
  9. A 7400 frequency counter, on perfboard
  10. Russian nixie, VFD and numitron overview

2017 3

  1. YASSD: chainable, UART controlled, 7 segment displays
  2. Abusing DMA for fun and LEDs
  3. Numican, a small numitron clock

2016 3

  1. Quick GUI for MBED projects, part 2
  2. Quick GUI for MBED projects using Dear ImGui and Serial
  3. Ebay headphone amplifier kit

2015 5

  1. Tinycortex, part 3. Offline compiling
  2. Tinycortex, part 2.
  3. A tiny MBED compatible dev board
  4. Measurement gear
  5. Weekend project, an oldschool preamp/headphone amp

2014 2

  1. Headphone amplifier power supply
  2. All tube headphone amplifier

2013 3

  1. The real deal
  2. Power supply ideas
  3. The first post :)