AVR controlled signal generator
This is continuing of the thread of making AVR controlled signal generator. This section is devoted to 1 layer PCB prototype making using ultraviolet light exposure and etching. I’ve chosen Eagle as PCB designing software. This is convenient software for making hobby circuits. First, I designed a circuit of AVR controlled signal generator:
A signal generator is a second must-have tool after oscilloscope while working with electronics designs. I don’t have any signal generators, so I decided to make one. This is gone be a simple AVR-controlled signal generator. I’ve chosen the Atmega8 microcontroller as this is the simplest one of Atmega’s series microcontrollers. It has 8kB flash memory. This is an initial post of the project. I have only designed a schematic and PCB board. I’ll be adding project progress in further posts. A little bit about AVR controlled signal generator. This is going to be a stand-alone generator coated in a 100x60x35mm metal box, the one I’ve found in my drawer. It will be powered by a 9V battery (through a 7805 voltage regulator). Controlling will be done with a series of buttons on the box side. And the information will be viewed on the 2×16 LCD screen on top of the box.
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