Analog input to Raspberry Pi 2

Question

Does the Raspberry Pi 2 have general purpose analog input ports for say 0 to 5V inputs or +/-5V inputs? I could always add an SPI port ADC...Peter

gadget.iom · Accepted Answer

The raspberry pi does not seem to have native analogue input capability on the GPIO. You could use a dedicated ADC chip such as the MCP3008: MCP3008 - 8-Channel 10-Bit ADC With SPI Interface ID: 856 - $3.75 : Adafruit Industries, Unique & fun DIY electronics an…