On a Commodore 64, the computer is normally connected to a monitor with one composite video cable and to an audio device with a second, identical (although uniquely colored) cable. …read more (https://hackaday.com/2025/04/29/crossing-commodore-signal-cables-on-purpose/)

Read Motor Speed Better By Making The RP2040 PIO Do It
https://hackaday.com/2025/04/29/read-motor-speed-better-by-making-the-rp2040-pio-do-it/

A quadrature encoder provides a way to let hardware read movement (and direction) of a shaft, and they can be simple, effective, and inexpensive devices. But [Paulo Marques] observed that …read more (https://hackaday.com/2025/04/29/read-motor-speed-better-by-making-the-rp2040-pio-do-it/)

Comparing ‘AI’ for Basic Plant Care With Human Brown Thumbs
https://hackaday.com/2025/04/29/comparing-ai-for-basic-plant-care-with-human-brown-thumbs/

Like so many of us, [Liam] has a big problem. Whether it’s the curse of Brown Thumbs or something else, those darn houseplants just keep dying despite guides always telling …read more (https://hackaday.com/2025/04/29/comparing-ai-for-basic-plant-care-with-human-brown-thumbs/)

Back to Reality with the Time Brick
https://hackaday.com/2025/04/29/back-to-reality-with-the-time-brick/

There are a lot of distractions in daily life, especially with all the different forms of technology and their accompanying algorithms vying for our attention in the modern world. [mar1ash] …read more (https://hackaday.com/2025/04/29/back-to-reality-with-the-time-brick/)

Building an nRF52840 and Battery-Powered Zigbee Gate Sensor
https://hackaday.com/2025/04/30/building-an-nrf52840-and-battery-powered-zigbee-gate-sensor/

Recently [Glen Akins] reported on Bluesky that the Zigbee-based sensor he had made for his garden’s rear gate was still going strong after a Summer and Winter on the original …read more (https://hackaday.com/2025/04/30/building-an-nrf52840-and-battery-powered-zigbee-gate-sensor/)

Terminal DAW Does it in Style
https://hackaday.com/2025/04/30/terminal-daw-does-it-in-style/

As any Linux chat room or forum will tell you, the most powerful tool to any Linux user is a terminal emulator. Just about every program under the sun has …read more (https://hackaday.com/2025/04/30/terminal-daw-does-it-in-style/)

A Gentle Introduction to COBOL
https://hackaday.com/2025/04/30/a-gentle-introduction-to-cobol/

As the Common Business Oriented Language, COBOL has a long and storied history. To this day it’s quite literally the financial bedrock for banks, businesses and financial institutions, running largely …read more (https://hackaday.com/2025/04/30/a-gentle-introduction-to-cobol/)