How To Build a GSR meter for ~ $100

Just combine 3 commercially available boards and great software.

This meter is intended for use with https://spiritual-counceling.blogspot.com.au/p/the-shared-raumatic-incident.html

How to use the meter https://youtu.be/iFhTOnCkaRs

Software
16-6-2017

https://drive.google.com/file/d/0B9tW3CajMYqyTnRoY1lSWWs5Z1E/view?usp=sharing

How to install software onto the micro SD card

https://www.raspberrypi.org/documentation/installation/installing-images/

Purple Board
https://oshpark.com/shared_projects/Zv53jACR (New version, untested. Resistors underneath)
https://oshpark.com/shared_projects/CWEOeFgd (Old version, fully tested. Resistors on top )

Raspberry Pi 3 is usually cheapest from RS Electronics

https://au.rs-online.com/web/p/processor-microcontroller-development-kits/1225826/

https://au.rs-online.com/web/p/processor-microcontroller-development-kits/8968660/

https://uk.rs-online.com/web/cp/8968660,8968664/?sra=p&r=t

Google for other suppliers

Pi Zero

https://thepihut.com/products/raspberry-pi-zero-w

https://core-electronics.com.au/raspberry-pi-zero-w-wireless.html

Headers

https://thepihut.com/products/adafruit-gpio-header-for-raspberry-pi-a-b-pi-2-pi-3-2×20-female-header

https://thepihut.com/products/adafruit-break-away-0-1-2×20-pin-strip-dual-male-header (only need this if using Pi Zero)

ADC board from Aliexpress

https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20170528235031&SearchText=24+bit+adc+module

Sellers on Alliexpress and Ebay will also have the resistors and headers.

The 3.5mm female socket. Many on Aliexpress and Ebay

https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20170528235319&SearchText=3.5mm+Jack+Mono+Headphones+Socket+

Conductive Silicone rubber sheet for making hand electrodes

https://www.currentpleasures.com/products/conductors-rubber-sheet-1mm