Adding Breakout Wires for PCB Testing

I soldered on 30ga wrapping wire for testing the PCB. The 3 on the front are 5v+ from microcontroller that tells this IC to be in "on" mode, ground from microcontroller, and PWM from microcontroller. The 2 on the back side are +8v and 0v/gnd from the batteries. This was shockingly quite hard to attach these. It's all so dang tiny. Every time I soldered on 8v+, the 0v would fall off because the rear pads of the chip both get hot together. Ended up having to use uv cure solder mask to tack down one then do the other one so that even when both went liquid, the one not being worked on was pinned down with mechanical strain relief so it didn't just fly off when things liquefied. So annoying. And I hate to uv solder mask "glue" into place wires that are just there for testing and very temporary ugh... Anyways, its done, no shorts, seems ready for the test now. I did not bother with color coding much as this is extremely temporary for the quick test to ensure everything works.





Note: I think this is the first time I'm showing the rear of the PCB with its exposed major power pads visible and accessible through the viewing window I cut into the bottom of the PCB. These will be where the major power busses attach. These buses will be manually soldered on with thick copper strips I cut from a roll of pure copper sheeting. Those thick buses will also be the start of my thermal conduction pathing to draw heat away from the chip. It has to run 20a continuous so it will get alot of heat that has to wick away.