I got annoyed by the firmware of the original board so I made my own with firmware written from scratch (open source) and the ability to change the temperature and blower speed with potentiometers.

Available on my tindie store: https://www.tindie.com/products/rando...
and my shop: https://shop.randomhacks.pt/products/...
Board installation instructions:    • Upgrade Best BST-863 with my board | ...  

Also check out my Slurp'nPick+ station:    • Slurp'nPick+ | A multitool for makers...  

Affiliate links:
*Ebay
Station: https://ebay.us/ZjDs0X
45º Nozzles: https://ebay.us/BcFoJN
*Aliexpress
Station: https://s.click.aliexpress.com/e/_AkNC9r
45º Nozzles: https://s.click.aliexpress.com/e/_9uQVDb
*Banggood
Station EU/USA/CN: https://www.banggood.com/custlink/KDm...

Timestamps:
0:00 - Intro
0:12 - Annoyances of original board
1:16 - Presenting my board
1:28 - Potentiometers
1:41 - Current settings are always visible
1:51 - Three ways to set desired values
2:08 - Button behavior
2:36 - Touch interface
3:00 - How to completely disable buzzer
3:12 - Timer function
3:55 - Toggle between temperature units
4:20 - Settings are stored to flash
4:36 - Temperature calibration
5:06 - USB / Overlay variables on OBS
5:58 - Board / Unused pins for expansion
6:06 - Safety features
6:20 - Board available on tindie
6:43 - Outro

I'm also on LBRY/Odysee https://open.lbry.com/@RandomHacks:7