PWM and I2C libraries

I needed a flexible square waveform generator to test the behavior of a mosfet. I have in my hand a board with a PIC18 microcontroller (http://sangon.it/), so I wrote few lines of code for it. Of course, things are degenerated and I have been infected by the developer fever and is born the desire of … Leggi tutto PWM and I2C libraries

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DS1307 Real Time Clock hacking: the emulation

Maybe some of you knows well the so called GertDuino, an expansion board of the RaspberryPi. It is like an Arduino which can communicate with the Rasp, and moreover it also mount an Atmega48 which can be used to emulate an RTC. Yes, I'm going to talk about this. The challenge: proof-of-concept of commercial real … Leggi tutto DS1307 Real Time Clock hacking: the emulation