Surface mount soldering with hot air an ARM based Pro Mini microcontroller
Channel: Robin Grosset
Date: 2016-05-04

Here is a link to the Open Source project on GitHub with the schematics and bill of materials list
https://github.com/zapta/arm/tree/master/pro-mini

The circuit board from a pre-existing OSHPark project here 
https://oshpark.com/shared_projects/0cO9kgfr

Other parts ordered from http://www.digikey.ca/

The Hot Air rework station was $50 from Amazon 
http://www.amazon.com/858D-Station-Soldering-Display-Nozzles/dp/B009PPRJHS

Solder paste from MG Chemicals 
https://www.amazon.ca/s/ref=bl_dp_s_web_11076213011?ie=UTF8&node=11076213011&field-brandtextbin=MG+Chemicals