This project is to make a tiny torch that offers comfort in the night and a limited amount of illumination. Red is recommended since it affects sleep the least (and works for longest). A resistor is used to reduce the brightness of the LED, thereby increasing the battery life. You will need: An LED ...
By: BenjieGillam
Continue Reading »
from Instructables: exploring - technology http://ift.tt/1ryDtZI
By: BenjieGillam
Continue Reading »
from Instructables: exploring - technology http://ift.tt/1ryDtZI
Aucun commentaire:
Enregistrer un commentaire