You know, we were just discussing weird and/or obsolete audio formats in the writers’ dungeon the other day. (By the way, have you ever bought anything on DAT or MiniDisc?) …read more (https://hackaday.com/2021/11/24/bluetooth-record-player-puts-a-new-spin-on-vinyl/)

Build Your Own HP41C
https://hackaday.com/2021/11/24/build-your-own-hp41c/

There was a time when engineers carried slide rules. Then there was a time when we all carried calculators. Sure, calculators are still around, but you are more likely to …read more (https://hackaday.com/2021/11/24/build-your-own-hp41c/)

PicoMite Gives Your Pico a Deluxe BASIC
https://hackaday.com/2021/11/24/picomite-gives-your-pico-a-basic-with-all-the-features/

What makes developing a microcontroller project quick and easy? Tops on our list are an interactive shell and comprehensive libraries that handle all the low-level peripheral stuff. You think we’re …read more (https://hackaday.com/2021/11/24/picomite-gives-your-pico-a-basic-with-all-the-features/)

Find Your Way In The Starry Skies With DobsonianDSC
https://hackaday.com/2021/11/25/find-your-way-in-the-starry-skies-with-dobsoniandsc/

Fully assembled DobsonianDSC.
" data-medium-file="https://hackaday.com/wp-content/uploads/2021/11/dobsoniandsc.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/11/dobsoniandsc.jpg?w=800">An obvious problem with the use of a telescope is getting the former to point at the proper part of the sky which you intend to observe, or vice versa …read more (https://hackaday.com/2021/11/25/find-your-way-in-the-starry-skies-with-dobsoniandsc/)

N-Gage Controller Uses All The Buttons
https://hackaday.com/2021/11/25/n-gage-controller-uses-all-the-buttons/

If there’s anything you can guarantee about a video game system, it’s that in 20 years after one suffers a commercial failure there will be a tiny yet rabid group …read more (https://hackaday.com/2021/11/25/n-gage-controller-uses-all-the-buttons/)

Surfboard Gets Jet Upgrades
https://hackaday.com/2021/11/25/surfboard-gets-jet-upgrades/

Surfing is a fun and exciting sport but a lot of beginners can get discouraged with how little time is spent actually riding waves while learning. Not only are balance …read more (https://hackaday.com/2021/11/25/surfboard-gets-jet-upgrades/)

Inverted Pendulum Balanced On A Drone
https://hackaday.com/2021/11/25/inverted-pendulum-balanced-on-a-drone/

https://www.youtube.com/watch?v=XmYRQi48s-8&lc=UgwbC26w7NPTC9G_Hlx4AaABAg.9V59iKGRTSb9V5BUrzKEMG
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/11/Snap-2021-11-24-at-14.41.07.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/11/Snap-2021-11-24-at-14.41.07.png?w=800">[Nicholas Rehm] works during the day at the Applied Physics Laboratory at John Hopkins, Maryland, so has considerable experience with a variety of UAV applications. The question arose about how …read more (https://hackaday.com/2021/11/25/inverted-pendulum-balanced-on-a-drone/)

ESP32 Brings Air Purifier Online with Home Assistant
https://hackaday.com/2021/11/25/esp32-brings-air-purifier-online-with-home-assistant/