In this post we learn how to make a simple yet efficient transistor/diode tester circuit, that will not only test the quality of a BJT, but will also help to […]
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LC Resonance Calculator
Resonant Frequency Calculator Please Select the Required Parameters or or […]
Ohm’s Law Calculator
Calculate circuit parameters using Ohm’s Law Enter any two known values and press “Calculate” to solve for the others. Voltage (V) Current (A) Resistance (Ω) Power (W)
How to Make a RFID based Attendance System
In this post we are going to construct a RFID based attendance system, which can record attendance of 12 students / staffs for a given time window and this system […]
Arduino Automatic School/College Bell System
In this post we are going to construct an automatic school bell/college bell system using Arduino, 16 x 2 display and real time clock module. You can program this project […]
Patient Drip Empty Warning Indicator Circuit
In this post we will learn about a simple mechanism, and a circuit which will enable a patient’s IV drip bottle system to sound an alarm whenever it gets almost […]