Home of the mSpectrum
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Topics and projects
Check MySQL replication using Python
Simple python script to check the state of MySQL replication and send an e-mail in case of problems.
Controlling WS2812(B) leds using STM32 HAL SPI
This code came to light during the need for a simple driver for WS2812 leds. Protocol The WS2812/WS2812B leds use 24 bits for the green, red and blue values. Bits on the data line are encoded by a high pulse followed by a low pulse.
How to use printf with STM32 UART
You have to implement a special function (_write) to tell the C-library how to process the output from the printf function.
ZX Spectrum FPGA cores and other resources
A collection of links to other ZX Spectrum FPGA cores, FPGA boards and other relevant topics.
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In 2008 I started learning about field-programmable gate arrays (FPGAs). The mSpectrum is a long running FPGA project for me to get hands-on experience.
Posts about ARM microcontrollers.
Posts about STM32 microcontrollers.
Modification of existing hardware and software
DevOps is a set of practices that combines software development (Dev) and IT operations (Ops). It aims to shorten the systems development life cycle and provide continuous delivery with high software quality.