Pi-SPi-8AI Raspberry Pi Analog Input 4-20 mA Module

Pi-SPi-8AI Raspberry Pi Temperature Sensor Interface Kit

Regular price $34.95 Sale

The Pi-SPi-8AI Temperature Sensor Kit is pre-configured for 8 Thermistor Inputs. The kit includes:

  • Qty 1 Pi-SPi-8AI Interface with thermistor inputs (fully assembled and tested
  • Qty 1 40 Pin to 26 Pin Interface Cable for the RPi
  • Qty 1 10K Thermistor Temperature Sensor with 36" wire leads
  • Qty 3 10K Thermistor Temperature Sensors

If purchased separately, this package would cost $40.70! You save over 15%!

Port Pins Used:

SPI-MOSI  (GPIO10)
SPI-MISO  (GPIO9)
SPI-SCK   (GPIO11)
CS_8AI     (GPIO7)

Features:

  • Identical foot print to the RPi 3
  • Each module has its own 3.3VDC LDO regulator operating from the RPi 5VDC bus
  • No loading on the RPi 3.3VDC bus
  • Terminal Blocks forThermistor Input
  • LED indicators for power
  • Dual GPIO connectors (left and right)
  • MCP3208 A/D Converter with 12 bit resolution
  • Each analog signal buffered (1/4 LM324 Op Amp)
  • Inputs 1 thru 8 are configured for Thermistor Inputs
  • Module is powered from the Raspberry Pi

Downloads

Schematic

PCB Layout

 

Sample Software (Python)

Please download the latest Widgetlords libwidgetlords library. The instructions can be found at

Getting Started with PI-SPI Libraries

All of the sample code examples are based on the latest library installation. Please note the code samples all use Python 3.

The PI-SPI-8AI sample code programs and instructions can be found at

PI-SPI-8AI Python Code Samples

A complete set of Python demo code examples for the PI-SPI and PI-SPI-DIN series can be found on our GitHub repository:

https://github.com/widgetlords/libwidgetlords/tree/master/python

 

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