The article points out a straightforward digital panel type voltmeter circuit utilizing a single IC L7107 and a couple of other normal parts. The circuit has the capacity to calculate […]
20 watt, 5 watt Fluorescent Lamp Inverter Circuit
The straightforward circuit will probably illuminate up to two 20watt fluoroscent tubes from a 12v supply. The circuit also offers a brightness change to minimize the current through the battery […]
Keyboard Beep Circuit
There are many situations where an audible indication for a button pressed would be very useful. Two particular cases are: a morse key, where it is otherwise impossible to know […]
How to Make a Morse Code Flasher for Lighthouse Application
The submit features a very simple morse code lamp flasher circuit which can be chosen for model lighthouse signalling products. Parts list for the morse code lamp for lighthouse […]
How to Make a Car Battery Voltage Monitor Circuit
This easy 4 LED car voltmeter is made to enable us to observe the voltage level of the battery of our car at any moment, always. To obtain the above […]
How to Build a Logic Level Indicator Circuit
This logic detector probe circuit can be very helpful device for people who may choose to measure the logic levels of digital circuits frequently. Being an IC based circuit, it’s […]