555 Theremin

Using 555s to detect hand distance and alter the pitch and volume of a software based DDS.

Quantity		Component name
2	×	NE555 Discrete Semiconductors / Power Transistors and MOSFETs
1	×	74HC76 Semiconductors and Integrated Circuits / Misc. Semiconductors and Integrated Circuits
1	×	MCP4821 Data Converters / Digital to Analog Converters (DACs)
1	×	RKAT40c + ATmega1284p