Opto isolators ( moc3020, moc3040 available ) can be used for the control of devices or lamps that operate with driver circuit 220v. circuit varies according to the flexible triac power in p... Read more
The circuit board was tested with a single piece rgb strip led on the ne555 and 74393 integrators. If you want to use with long strip led, you need to strengthen the transistors used in the... Read more
I have previously shared simple fm transmitter circuits, the circuit board of this circuit is very nice layout of the circuit board used on the antenna pcb drawn by drawing a normal tape ant... Read more
When the circuit in the illustration is connected to the telephone line, the lamp is given a light by any incoming call. The circuit consists of two parts and these two circuits are separate... Read more
I would like to share with you an elevator control circuit that I did in high school years . I designed the elevator as 4 floors. Each floor has a display that indicates that the elevator is... Read more
Those of you who have ever worked with flat cables will know that IDC (insulation displacement connectors) are simple to use and give reliable connections. IDC is available as sockets and pl... Read more
Surface mourn technology (SMT) t° components have no wires, and are, therefore, not generally suitable for fitting on Veroboard or stripboard, the traditional cards used to build prototypes... Read more
After the demise of BSB( British Satellite Broadcasting) in early 1991, the electronic surplus market was flooded with the tens of thousands of brand new but otherwise unusable satellite TV... Read more
