Worlds Simplest tDCS? Solar Power!

Only 6 total components!
No batteries, not even an off on switch.
An ultra simple circuit for your DIY tDCS experiments.
Fantastic for relaxation, and experimentation.
My previous videos on the subject:
• DIY tDCS Secrets Revea...
• SIMPLIFIED DIY tDCS
"Newer Wave"
Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
creativecommons.org/licenses/b...

[@ebass69]

Hey I have a question about the muriatic acid copper playing video. How much time can you use the positive copper piece that’s placed in the acid on the positive wires. ? Like how many uses do you get out of it u til you have to replace the positive piece of copper ? Thank you!