Controlling an RND/Korad Bench Power Supply from Python
A Python GTK app for controlling the RND 320-KA3005P (Korad KA3005P) bench power supply from a Linux PC over a USB serial link.
Projects
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Raspberry Pi Digital Clock in Python
A Raspberry Pi with a Waveshare 5" HDMI display as a digital clock: Raspberry Pi OS Lite, a minimal X11 with Openbox, and a Python GTK app that starts on boot.
Split-Rail Linear Power Supply ±15 V
A simple ±15 V split-rail linear power supply with the L7815 and L7915 for experiments with audio signals and low-power amplifiers.
Tutorials
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Installing the PICkit 2 Programmer on Debian Linux
How to build and install Microchip's pk2cmd for the PICkit 2 programmer on Debian 10–13, with a udev rule for non-root access.
MiniPRO TL866 Programmer on Debian Linux
How to build and install the open-source minipro tool for XGecu TL866A/CS, TL866II+, T48, T56 and T76 programmers on Debian, with udev rules for non-root access.
Programming the AT89C2051 with SDCC on Linux
A first program for the AT89C2051 (8051) microcontroller: compiling C with SDCC on Debian, writing it with a MiniPRO TL866 programmer, and an accurate timer-based delay.
Calculators
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Resistor Color Code Calculator
Work out a resistor's value from its color bands: 4, 5 and 6 bands, tolerance, temperature coefficient and the E6–E192 standard series.