With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
Great instructions. Completed on my first go no issues. ( i have a few hundred extra bits of each part though now lol) thanks a bunch!
Hello, im using a home made arduino to power an led matrix of about 120 leds. Anyways i would like to have the arduino shut off in light, on in night. I would like to set this up inbetween the 5 volt regulator and the atmega chip. Any idea what reaistance i should use so my atmega still works fine at night? ( its a 24x6 matrix for my 5 year old ). Thanks!
Brightresistance(10lux)(k):30-90Dark resistance(m):5GL5516 LDR
2N3904 TO-92 NPN General Purpose Transistor
Can someone tell me where to find a large enough perfboard? I can only find small ones online
How large of a perfboard is used? I'm trying to buy it and idk what size would fit! I have everything else already, just need the canvas
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.