PCF8591 AtoD and the voltage meter

about this document

uxcell PCF8591 AD DA Converter Module Analog to Digital to Conversion

my version of the board

temp, light, a2d, d2a, jumpers, i2c

connecting to the raspberry gpio

data sheet at: http://www.nxp.com/documents/data_sheet/PCF8591.pdf

documentation at: http://blog.chrysocome.net/2012/12/i2c-analog-to-digital-converter.html

and

http://brainfyre.wordpress.com/2012/10/25/pcf8591-yl-40-ad-da-module-review/

---	---	---	---
voltage meter	Analog Out	gnd
	Analog in 3	gnd
	Analog in 2	Input 2
	Analog in 1	Input 1
	Analog in 0	Input 0
.

configuring the board

communicating with the device

References

1. NXP documentation for the PCF8591 chip
2. Available from Amazon