Day 1 of building: Create the device and create a detachable holder for the device.
test it with a LED light by cranking it with hand
Create a #3 blog post
Day 2 of building: Attach the device to bike and test by spinning the wheel
Plan A: if the LED light does not light up then figure out the problem and fix it.
Plan B: if the LED light works then test if the car charger will work
Day 3 of building: finalize the device
create #4 blog post