Wednesday, June 08, 2011
astrochallenge for the whole week...... dotz
gotta finish wiring the star map tmr......, each LED is connected in parrallel to all the other LEDs+resistors in the constellation. Each constellation is connected to a switch and then in parrallel with all the other constellations. So in the end the 40-50 LEDs with each 3V is powered by 2 batteries -.-.