Make Simple Electronic Buzzer circuit
This is buzzer circuit easy to build with small size,cheaper using normal transistor and small piezo speaker can use for 3V to 12V as use parts resistors[...]
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September 21, 2018
3 LED flasher using 3 transistors astable multivibrator
We used the two LED flasher with transistors only. Today we come to experiment the 3 LED flasher circuit by 3 transistors astable multivibrator,
February 20, 2017
1.5V LED flasher circuit using BC556 and BC546
This is a low voltage LED flasher or 1.5V LED flasher circuit using BC556 and BC546 transistors. And other electronic devices is 4 resistor and 3 capacitor
April 7, 2014
Ding Dong sound generator doorbell circuit using transistors
The 2 tone doorbell circuit, which is an electronic buzzer types,but them has melodic sound than general electric bell. People have seen two tone bell sound
November 28, 2013