What is 555 Timer ?
The 555 timer is an integrated circuit used in a variety of timers, delay, pulse Generation, and oscillator applications.
PIN DIAGRAM
Pin Diagram 555 TIMER BASED DUAL LED FLASHER
APPLICATIONS OF 555 TIMER.
# It can be used either as a pulse generator or an oscillator by operating it in different modes.
# It can drive both Transistor-Transistor Logic (TTL) due to its high output current and CMOS logic circuits.
# 555 timer can be operated in both ASTABLE and MONOSTABLE modes
#DC-DC converters and digital logic probes
#Waveform generators (ramp and square wave generator)
ITEMS REQUIRED
IC 555 Timers
10 uF Capacitor (16V)
2X – Resistor 1M
2X Resistor 470
1uF Capacitor
5MM LED Light Bulb
Ceramic Disc Capacitor 0.1uF 104pF
CIRCUIT DIAGRAM
Schematic view of 555 TIMER BASED DUAL LED FLASHER PCB
BOARD DIAGRAM
NOTE
# Threshold (6) and trigger (2) pin is shorted.
# Input voltage is 12V.
# A resistor of 1M between output (3) and threshold (6)/trigger (2).
# 1uf bipolar and 104pf ceramic capacitor between GND (1) and trigger (2).
# 10uf 16V bipolar capacitor between GND (1) and VCC (8).
To Download Schematic File Of Circuit Diagram Click here
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