TechRadar Pro created this content as part of a paid partnership with RS. The content of this article is entirely independent and solely reflects the editorial opinion of TechRadar Pro. Ever wanted to ...
Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...
The voltages and signal timings described below are dependent on the battery voltage and are probably also impacted by temperature. While the calculator runs on a 9 V battery, internally the logic ...
This project implements a 4x4 matrix keypad scanner on an STM32 microcontroller using direct register access (bare-metal, no HAL or LL libraries). The keypad is scanned by configuring the rows as GPIO ...
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