Edit: See also More 2369, with more caps !With a sporadic and limited access to the workshop (at last !) I can finally try new ideas ! I have meanwhile received 9K PMBT2369 in SMD but I decided to use the old stock of 50pc 2N2369A in metal can, that...
The Technogym manual indicates that the RF HR receiver outputs a 5V and 30 ms pulse for each heart beat. A ESP32 with abilities will be the perfect µc. It's a easy job for it to read the incoming HR value and to output a pulse. Since the ESP32 works...
What if I told you it was possible to SAFELY use ANY SmartPhone as a robot brain? On any smartphone with a browser, load a freely hosted github.com webpage with Javascript that blinks areas on the screen to send motor commands to an e.g. Arduino....
Stephen : Alright, let's get rolling. A BIG hello to @Parker for joining us today Parker : Howdy everyone Stephen : @Parker, why don't you kick this off by giving us an introduction of who you are, what you do, and what...
Project Overview Video for Hackaday Prize 2023: The End Result The Plan In principle it is simple: by connecting different combinations of binary value resistors in parallel, and assuming a constant input voltage, we can consume any arbitrary amount...
3-11-2024 See these two 2011 Liliputing and TechCrunch articles, which were partly the inspiration for this project: https://liliputing.com/pixel-qi-suggests-low-power-tablets-could-be-powered-by-1w-solar-panels/(6-3-11) https://techcrunch.com/2011/06/04/first-solar-powered-laptop/ (6-4-11)...
Background If you have been following Hackaday for a while, you will have seen on numerous occasions the KENBAK-1, regarded by many as the first commercial personal computer. Ten years ago Mark Wilson introduced KENBAK-uino, a reproduction...
Full video on this subject (this is literally the script): https://www.youtube.com/watch?v=Psy6lRcdGtk Introduction Old houses, like my parents’ home, comes wired with simple electromechanical doorbells. They’re a simple electromagnet with a metal...
Jasmine Brackett Hello Everyone. Welcome to this week's Hack Chat! !!!Bhavesh Kakwani WooShulie: Welcome!! We have tons of questions in our sheet already! https://docs.google.com/spreadsheets/d/1ZHahHN4kU0YBjMgrZMU9ntrmdDD8JOUmpHX2mR6Ok0w/edit#gid=0Jasmine...
So I've recently got a fully electrically and mechanically complete CAD model of Tetrinsic and was, once again, doing some research for Tetent, mainly because I don't like how this featureless flat face looks: It turns out that the eteeController...
Links to project details (GIT, Wiki, Docs) are on the left. The laziest intro to this project is the 2-minuite video created for THP Quarterfinals (i.e. the first video I made):Or even better, see my full 5-min final video (there is also the semifinal...
COMPONENTS AND SUPPLIES Arduino UNO & Genuino UNO×1SparkFun Dual H-Bridge motor drivers L298×1Proximity Sensor×1 APPS AND ONLINE SERVICES Arduino IDE ABOUT THIS PROJECT Line Follower Robot Best & Fast PCB Supplier (2$ for 10 PCBs) https://jlcpcb.com...