A great story from Daniel Eichhorn explaining a ‘lemon battery’ experiment to his daughter. We love stories like these.
My goal was to demonstrate electricity to my daughter with something a little bit more understandable than the readings from a multimeter, since she cannot read the numbers yet. So, as suggested in the Wikipedia article I wanted to get an LED to shine. 0.9V wouldn’t be enough to make that happen, so we got a few more lemons and put them into series:
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — Presentation: Ten Year Futures – Benedict Evans
Wearables — Toy with inspiration
Electronics — Servo Pulses
Biohacking — Nutrigenomics – Personalized Vitamin Supplements Based on DNA
No comments yet.
Sorry, the comment form is closed at this time.