Ok, SO I put in a order for parts

AA 16 rechargeable batteries

x4 polyimide foil 30 watt heater film pads

2x 8 cell battery holders

1 temp controller

1 ardiuno set kindly provided for free from Elegoo

https://www.amazon.com/dp/B01D8KOZF4/ref=sr_1_1_sspa?crid=3V5TGAFW0IQH9&dchild=1&keywords=elegoo+arduino+uno+super+starter+kit&qid=1592286652&sprefix=elegoo+arduino%2Caps%2C165&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExNDJSQzZRSVdIT001JmVuY3J5cHRlZElkPUEwOTc0Mjg3MUtCMjdHNVQ1NUJJUiZlbmNyeXB0ZWRBZElkPUEwOTE1MDY2MzhLWVhQOVdMOVNVQiZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=

https://www.amazon.com/gp/product/B00HZV9WTM/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B081T57SP4/ref=ppx_yo_dt_b_asin_title_o04_s01?ie=UTF8&psc=1

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