555 Timer IC: Before going into detail ofTime Delay Circuit, first we need to learn about 555 Timer IC first. Below you can find the pin diagram of 555 timer IC along with the details of each pin. Pin 1. Ground:This pin should be connected to ground. Pin 2. TRIGGER:Trigger pin is...
circuit diagram of moving message display using 555 timer and cd4017 icic circuit
This simple IC 555 timer tester not only tests IC 555 in all of its basic configurations but also tests the functionality of each pin of the timer...
Here is a very simple circuit diagram of a frequency to voltage (F to V) converter. Such a circuit finds numerous applications in projects like digital frequency meters, tachometers etc. The circuit is mainly based on a LM555 timer IC. The IC is wired in mono shot mode to convert the i...
Here is LED Chaser circuit using 4017 and 555 The working principle See in the circuit above. TheIC555-IC1 is popular timer IC as the Astable Multivibrator or free-running pulse generator. Which the output pulse frequency at pin 3 of IC1 is determined by R1, R2-1.5K, VR1-100K, and ...
Simple Metal Detector Project using 555 Timer IC You can find a metal detector at airports, theaters and various other public places. They are used for the safety of people to detect anyone carrying a metal (Arms etc). In this project we are going to design a simple metal detector circuit...
Fig. 2 shows the circuit diagram of the sawtooth wave generator. The heart of the circuit is the NE555 timer IC, which is used for generating the sawtooth waves. This is a very simple and inexpensive circuit for generating sawtooth waveforms. Normally, UJT-based relaxation oscillators are used...
Circuit Diagram of the 30 minute timer The timer section is built around IC NE555 (IC2) along with resistors R1 through R6, capacitor C2, transistor BC548 (T1) and a 12V relay. IC2 is configured in monostable mode to provide the different time settings ranging from 1 to 30 minutes. ...
Touch Switch Monostable/Timer with 555 IC April 4, 2011 Rend A schematic diagram of a touch switch circuit is shown below. This circuit consist of timer, one shoot multivibrator and touch terminal. As timer, this circuit uses 555 timer which is connected to one-shot multivibrator. The touch...
1.1.1PURPOSE OF 555 TIMER: 1.1.2PURPOSE OF CD4017: 1.1.3PURPOSE OF TRANSISTORS: 1.2CIRCUIT DIAGRAM: 1.2.1WHY OUTPUT PIN 10 OF IC 4017 IS CONNECTED TO ITS PIN 15 (RESET PIN)? 1.3WORKING: 1.4SIMULATION VIDEO: 2Stepper Motor Driver Circuit using BJT and MOSFET H-Bridge Configuration ...