Project Robot Food
A follow-up to the Armageddon Charger

There's still some pushed around electrons in them there used smoke detector batteries!



5V Buck-Boost converter.
^$2.98
3-15V to 5V
up to 600mA
Use this to charge a battery pack.
Filter noise out of the circuit.
Safety at a cost of efficiency.

Previous 7805 voltage regulator in the background
- used for my welding helmet anti-fog fans



Draw up a chassis and export it to a Slicer.
3D-Printing Cost:
29 minutes and 10 cents.


Clamp the epoxy as it cures
Today I also made hacksaw blades from an M42 14-18T wavy bandsaw blade.
I tried one out after repairing the day-job shop saw-guide.
Vicious.


Install #2 screws in case a cover is needed.


...so; sometimes it's just because I can.



High pitched "fly back" type sound.



Project costs.