Tag: attiny

Smart Power Bank Keep-Alive

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 …

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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 …

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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 …

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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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