Ever wanted to power a project from a USB power bank, only to have it keep shutting itself off because the current draw was too low? This project aims to fix that with these handy and slightly over-engineered USB modules containing a microcontroller, op-amp, MOSFET and a few other bits to create a pulsed adjustable …
Tag: attiny
Jan 06 2020
Remote Mail Notifier (and GPS Tracker)
At the moment I’m living in a block of flats and my mailbox is in a central lobby area. I’m often receiving small surprise packets from China and never know when the postman has been, usually between 8 and 12, sometimes even twice a day! I also don’t have any road facing windows that I …
Sep 11 2012
CPU Usage LEDs
This project has now become the AVR USB RGB LED Controller project. The CPU Usage LEDs host program can be found in the examples directory. Having seen a few circuits around the web that light up LEDs depending on CPU load I decided to make my own since they do look pretty cool 😀 I …
Jul 29 2012
AVR microcontroller based PWM fan controllers
If you’d like a fan controller kit please email me at blog@zakkemble.co.uk Kit: £10 Post: £2 if you’re in the UK, otherwise £4 Microcontroller will come programmed and ready to go. Only available while stocks last! So this is a bit of a continuation on my 555 timer based PWM controllers, but now using microcontrollers …
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