Hackaday

When Clever Hardware Hacks Bite Back: A Password Keeper Device Autopsy

Sometimes you have this project idea in your mind that seems so simple and straightforward, and which feels just so right ...
Hosted on MSN

Microsoldering with a common soldering iron | Attiny 85 QFN20

Order your pcb design at jlcpcb for $2 (24 hours turnaround time). This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to solder ...
Hackaday

Arduino Hacks

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 ...
GitHub

A robust PID control system for maintaining a BLDC motor at exactly 1440 RPM, with implementations for both development (Arduino Uno) and production (ATTiny85) deployment.

BLDC_PID_Controller/ ├── arduino_uno/ # Development implementation │ ├── arduino_uno.ino # Arduino Uno code with serial tuning │ ├── config.h # Configuration header with all settings │ ├── ...
GitHub

Tweak the OSCCAL register to calibrate the internal oscillator of the ATtiny85.

You can free up a few pins on the ATtiny85 by foregoing an external crystal oscillator in favor of the ATtiny's internal oscillator. However, the internal oscillator is much less accurate than an ...