Conveyor belt project

A 24vdc motors which run the conveyor belt met the following condition If the overall power switch is ON and the first sensor detect the presence of the object on the belt. Before any actuation start the quality sensors checks if the object is good or not.the ones is not good are taken to line … Read more

Power supply 15V circuit diagram

power supply A power supply is an electrical device that supplies electric power to an electrical load. The primary function of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. Transformer -20P1S Diode D1, D2, D3, D4 -10A01 Diode D5 -LED Capacitor … Read more

AUTOMATIC CHANGE OVER SWITCH PROJECT

INTRODUCTION A change over switch is the switch which is used to switch on and off the solar power depending on the presence of other power supplied , when the power supplied is cut off the switch put the solar power on automatically and when the power supplied is available the switch put the solar … Read more

AUTOMATIC LED TESTER AND SORTER CIRCUIT

PROJECT TITLE: AUTOMATIC LED TESTER AND SORTER PROJECT TYPE: DESIGN AND PROBLEM SOLVING The LED tester and sorter device is a device that tests and sorts different LED’s according to their working status and color. The circuit mainly helps people with difficult identifying LED colors especially for white LED’s. The circuit also helps even if … Read more

AUTOMATIC POWER INVERTER

INTRODUCTION A power inverter is an electronic device or circuit that change DC voltage to AC voltage. Inverter can be connected to a battery and produce AC power to run various electrical items such as lights television computers and other power tools. PROBLEM STATEMENT In our country the problem of electricity is common which lead … Read more

WEIGHT ACTIVATED BUZZING SWITCH

INTRODUCTION. Door and windows provides mean of entrance of people in house any time but amazing thing is that we never know whether they are good or bad. For instance robbers who are coming during night time while house holders are sleeping they are using doors and windows to take properties, and kill owners of … Read more

TEMPERATURE CONTROLLER FOR PRE-MATURE BABIES’ ROOM

INTRODUCTION A temperature controller circuit is an electronic device or circuit that will help to maintain optimum temperature in pre-mature babies’ room. RESISTOR  R1 – 10kΩ R2 – 10KΩ R3 – 10KΩ R4 – 10KΩ R5 – 10KΩ THERMISTOR 3KΩ @36.5Celcius TRANSISITOR Q1 – BC 109 Q2 – BC 109 VARIABLE RESISTOR RV1 – 10KΩ … Read more

HEARING AID WITH CONSTANT VOLUME

INTRODUCTION Hearing aid machine with constant volume is a battery powered electronics device that makes listening easier for people with hearing loss, consist of microphone, amplifier and receiver. RESISTORS, R1&R9 10K 1/4W RESISTOR, R2 1M 1/4W RESISTOR, R3 4K7 1/4W RESISTORS, R4&R7 100K 1/4W RESISTOR, R5 3K9 1/4W RESISTOR, R6 1K5 1/4W RESISTOR, R8 100R … Read more