A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.
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Disclaimer
Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.
ATMega48
USBasp - in-circuit programmer for Atmel AVR
27. October 2008 - 23:35 — adminThis AVR programmer consists of an ATMega48 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed.
Stereo PWM audio
10. October 2008 - 16:48 — adminUsing a pwm channel of a simple microcontroller, a capacitor and a resistor to reproducting sounds.
Power usage logger
23. September 2008 - 8:43 — adminThis device monitors household power usage and logs it to an SD card.
Flickr images on a Nokia 6110 Color LCD
14. June 2008 - 14:01 — adminMost used are these green character displays with two or more rows to display menus, status or debug messages. With mass production of mobile phones, color LCDs get that cheap, that they can be used as replacement. To test the display, I hacked a kind of small digital picture frame, that fetches pictures from Flickr.
