Content for BC556

BC556

BC556 and BC557 are PNP general purpose transistors for switching and amplification. Both are available in TO-92 and SOT54 plastic package. NPN complements: BC546 and BC547.

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Project  Giant 555 Timer

Giant 555 Timer

“A Working Replica of the classic 555 timer made using discrete components A fully functional replica of the classic 555 timer made using discrete through hole components which include only basic jellybean components like (to - 92) BJTs , 1/4Watt resistors …

Project  DIY ultra cheap combination lock

DIY ultra cheap combination lock

“Today I am back with another project called DIY ULTRA CHEAP COMBINATION LOCK CIRCUIT. A combination lock is a type of locking device in which a sequence of numbers or symbols is used to open the lock. There are two …