Morning sun alarm circuit using IC-4011
This is Morning sun alarm circuit using IC-4011 that hobby It will have sound alarm when morning like a normal clock alarm with lighting sensor same clock.
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February 17, 2020
Simple Light Detector Alarm with solar sensor
This is Simple Solar light alarm circuit with the special edition, that improve this circuit whole new to higher efficiency. use solar cell instead of LDR
February 7, 2020
Insects and mice repellent circuit using IC556
Use high frequency out of the piezo speaker and IC-556 is base as oscillator between 22kHz and 56kHz This projects is safer and more convenient.
September 11, 2019
Simple electronic drum circuit using MC14046
Simple electronic drum circuit project is an Instrument of this era really, various sound effects and many others, using digital IC and more
August 17, 2019
High power siren circuit using CD40106 and TIP31, small and easy
This is High power siren circuit with small PCB size, using CD40106 and four transistor TIP31-TIP32 increase current to horn speaker 20W, 4-8ohm. , and
October 31, 2018
Morse code generator circuit – simple code learning
This morse code generator circuit is suitable for learning basis of communication. Unbelievably, short and long tone can be decoded into letters and text.
October 22, 2018
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[...]
September 21, 2018