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Recent Posts on Tim's Blog

cpldcpu.github.io

Recent content in Recent Posts on Tim's Blog

Embedded / microcontrollersElectronicsAI / ML

’15’20’25
Posts
45 from 8 Dec 2013 to 28 Aug 2026
Posting
now and then (3 in the last year)
Kind
personal blog
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https://cpldcpu.github.io/index.xml

2026 2

  1. AI Image Generation on an RP2350 Microcontroller
  2. Glowing Polyhedrons

2025 5

  1. BitNetMCU with CNN: >99.5% MNIST accuracy on a low-end Microcontroller
  2. Measuring Thinking Efficiency in Reasoning Models: The Missing Benchmark
  3. Candle Flame Oscillations as a Clock
  4. Deriving 1 Hz from Candle Flame Oscillations
  5. Compute In Memory in Ancient DRAM

2024 4

  1. Neural Network Visualization
  2. BitNetPDK: Neural Networks (MNIST inference) on the "3-cent" Microcontroller
  3. BitNetMCU: Implementing Neural Networks on the “10-cent” RISC-V MCU without Multiplier
  4. Revisiting Candle Flicker-LEDs: Now with integrated Timer

2023 1

  1. Generative AI on a Microcontroller

2022 3

  1. Zinnia (MCPU5)
  2. Controlling RGB LEDs with only the powerlines – anatomy of a Christmas light string
  3. Powerline Controlled LED Strings

2021 5

  1. NE555 Dice Inversion
  2. 555ENabled Microprocessor
  3. VHDL/Verilog to Discrete Logic Flow
  4. The TransistorPixel
  5. Ultra low power LED flasher

2020 9

  1. LED Coupled Logic (LCL)
  2. Discrete NMOS Logic in 2020
  3. Sensors Based on the Padauk RFC Peripheral
  4. Building a Chaotic Oscillator from Common Components
  5. 4 Bit TTL CPU
  6. Intelligent 7-Segment Display
  7. Evaluating Transistors for Bipolar Logic (RTL)
  8. What made the 1960s CDC6600 supercomputer fast?
  9. LCPU - A CPU in LED-Transistor-Logic (LTL)

2019 2

  1. A LED candle based on the 3 cent MCU
  2. The terrible 3 cent MCU

2016 4

  1. SK9822 - a clone of the APA102
  2. DICE10 - electronic dice controlled by two GPIO
  3. The SK6812 - another intelligent RGB LED
  4. "Reverse engineering" a real candle

2015 1

  1. How many I/Os are needed to drive electronic dice?

2014 8

  1. Understanding the APA102 Superled
  2. APA102 aka "Superled"
  3. The Nanite 85
  4. Tear down of a cheap external USB battery
  5. u-Wire – USB on an ATtiny 10
  6. Interrupt-free V-USB
  7. Light_WS2812 library V2.0 - Part II: The Code
  8. Light_WS2812 library V2.0 - Part I: Understanding the WS2812

2013 1

  1. Reverse Engineering a Candleflicker LED