About LM7805 voltage regulator IC: It is a fixed linear voltage regulator IC which is a member of the 78xx series. When the applied voltage is between 7-24 v it
Components Required Arduino Uno r3 8×8 LED matrix module 5mm push button 830 points breadboard Wires Arduino cable Overview This dice project using Arduino Uno r3 is the most basic
2N2222 Transistor 1 1N4148 1 Resistor 220ohm 1 Copper Wire 22SWG 3M Jumper Wires 3M 170 point Breadboard 2 LED 1 Capacitor 1nf 1 5v Supply 1
BD139 Transistor 1 1N4148 1 Resistor 10k 1 Copper Wire 22SWG 3M Jumper Wires 3M 170 point Breadboard 2 piezo Buzzer 1 Capacitor (1 pc each) 1uf 100V470pf4.7pf100nf Battery 5v
Comporents Required : 1) LM3914 (bar display driver),2) SPST switch,3) BAR Display (dip 20),4) 12v battery,5) Resistors (56k,4.7k,18k) ohm,6) 10k pot,7) Jumper wires,8) Bread board.