NOTE! This project uses a static sensitive part, the CMOS 555.
2N2222 TRANSISTOR THREE COLOR LED FLASHER HOW TO
How to use a transistor for a simple gate (resistor transistor inverter).Learn another mode of operation for the 555.Lessons In Electric Circuits, Volume 4, chapter 10: Title “Monostable multivibrators” Lessons In Electric Circuits, Volume 3, chapter 9: Title “Electrostatic Discharge” Lessons In Electric Circuits, Volume 3, chapter 4: Title “The common-emitter amplifier” Lessons In Electric Circuits, Volume 1, chapter 16: Title “Why L/R and not LR?” Lessons In Electric Circuits, Volume 1, chapter 16: Title “Inductor transient response” L1 - 200 µH Choke or Inductor (Exact value not critical, see end of chapter).C3 - 100 ♟ Electrolytic Capacitor (Radio Shack catalog 272-1028 or equivalent).C2 - 100 pF Ceramic Disc Capacitor (Radio Shack catalog # 272-123).C1 - 1 ♟ Tantalum Capacitor (Radio Shack catalog # 272-1025 or equivalent).D2 - Blue light-emitting diode (Radio Shack catalog # 276-311 or equivalent).
D1 - Red light-emitting diode (Radio Shack catalog # 276-041 or equivalent).Q2 - 2N2222 NPN Transistor (Radio Shack catalog #276-1617 (15 pack) or equivalent).Q1 - 2N3906 PNP Transistor (Radio Shack catalog #276-1604 (15 pack) or equivalent).U1, U2 - CMOS TLC555 timer IC (Radio Shack catalog # 276-1718 or equivalent).Battery Clip (Radio Shack catalog # 270-398B).
0 kommentar(er)
