Electronic Circuit Diagram and Layout

Electrical Schematic Symbols

Tips on how to repair electronic devices Before the repair of electronic devices we must first know the blocks of the parts, it is very important because by knowing the block, we can easily determine and track the defective component, such as how to find a block of television is a machine we must know […]

Digital volume control circuit DUAL ELECTRONIC VOLUME CONTROL The KA2250 is a CMOS designed for electronization of dual volumes. It is suitable for M/C, car stereos. FEATURES Wide supply voltage range: Vdd=6V~12V (Backup is possible up to 4V) Attenuation can be controlled from 0dB to -66dB by 2dB/step. Controlling attenuation by means of the built […]

water sensor circuit using PIC12F683 water sensor circuit using PIC12F683

12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram 12v symmetric power supply using 7812, 7819, DZ12v   CT simetris and non CT Transformer Power Supply 12V PCB 12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram This circuit provides ±12V regulated DC output based on LM7812 and […]