Code entry to your garage using a doorbell and an attiny13 via HaD. Mike writes –
I wanted to use an ATtiny13 microcontroller because I had ordered a half dozen a few years ago and still had most of them sitting around. This meant I would need to fit the code into less than 1024 bytes of programming space. I downloaded Alan’s code thinking it might be in C but it turned out to be BASIC so I decided to write my own from the ground up. I did start with my favorite Danni Debounce code (written by Peter Dannegger) to handle the button presses and coded a prototype using an ATmega168. Here’s how it works…
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — Kickstarter Hardware Studio
Wearables — A soft glow
Electronics — Through Hole SMD
Biohacking — Ultra Runner Kilian Jornet Summits Everest in 26 Hours
No comments yet.
Sorry, the comment form is closed at this time.