pinout.vvzero.com/draft/overlay/ab-adcdac-pi-zero.md

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<!--
---
name: ADC-DAC Pi Zero
class: board
type: adc
formfactor: pHAT
manufacturer: AB Electronics UK
description: 2 channel Analogue to Digital Converter and 2 channel Digital to Analogue Converter
url: https://www.abelectronics.co.uk/p/74/adc-dac-pi-zero-raspberry-pi-adc-and-dac-expansion-board
github: https://github.com/abelectronicsuk
schematic: https://www.abelectronics.co.uk/docs/pdf/schematic-adc-dac-pi-zero.pdf
buy: https://www.abelectronics.co.uk/p/74/adc-dac-pi-zero-raspberry-pi-adc-and-dac-expansion-board
image: 'ab-adcdac-pi-zero.png'
pincount: 40
eeprom: no
power:
'1':
ground:
'6':
'9':
'14':
'20':
'25':
'30':
'34':
'39':
pin:
'19':
mode: spi
'21':
mode: spi
'23':
mode: spi
'24':
mode: spi
'26':
mode: spi
install:
'devices':
- 'spi'
-->
#ADC-DAC Pi Zero
The ADC-DAC Pi Zero is a 2 channel 12 bit analogue to digital converter and 2 channel 12 bit digital to analogue converter designed to work with the Raspberry Pi. Designed for the same footprint as the Raspberry Pi Zero the ADC-DAC Pi Zero is also compatible with full size Raspberry Pi models.
The ADC-DAC Pi Zero is based on the Microchip MCP3202 A/D converter containing 2 analogue inputs with 12 bit resolution with a Microchip MCP4822 dual channel 12-bit DAC with internal voltage reference.
Max ADC Sample Rate: 100 ksamples/sec
Max ADC Sample Rate under Python: 12,000 samples per second.
Python, C, C++, Node.js and Windows 10 IOT libraries are available on GitHub.