I think it's just the norm in the hobby. We're a bunch of old fogies. Goes with the territory. We do have a few talented young folk here though. But we know they all suffer from ADHD and other pharmaceutical selling ailments 😜
I used to work at a factory that made military trailers and boxes for the back of military trucks. The caulk we used there used to give me lung problems.
I feel ya. Had nights like that where I got busy on something and stayed up til the sun came up. I am way too old for that stuff now, and feel it the next day if I do 😜
By transmitter, pug is asking what the radio is (the part you hold in your hand to control the car). You showed and commented on the Hobbywing 1040 ESC (Electronic Speed Control).
The burned out board you showed is the Receiver. Transmitter and Receiver are generally referred to as Tx...