IDA Firmware Reverse Engineering how-to

This video goes into every step in Realtime included to get the screen of the 30€ Spot Welder rotated by 180° as being annoyed by and talked about in this first video:
• Is the 30€ Spot Welder...
Get it here for sometimes as low as 26€ from Aliexpress:
s.click.aliexp...
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( Of course there might be better, faster or different solution go get there or use IDA! this is just my way :) )