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.
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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
Mosquito repellent circuit project
The mosquito repellent circuit to generates small sound frequency using transistors as bistable multivibrator. It is economical, safer than using chemicals.
September 4, 2018
Make Cricket Buzzer Generator circuit using LM324
The cricket sound effect circuit which is an another Sound effects generator byLM324 op-amp and emit by a buzzer. And they have sound similarly the cricket
June 18, 2017
UM3561 Sound effect generator circuits
Here is The 4 Sound effects generator using UM3561 and a few parts only. It can make siren, Ambulance sirens, Police car sirens, Fire truck siren and Space
June 15, 2017
4011 Tone Generator circuit projects
Here is the tone generator circuit,it is small size. I use IC digital CMOS 4011 quad NAND gate.
May 6, 2017
5 circuits of 555 Alarm sound and tone generator
This is Simple 555 Alarm sound circuit, for beginner as buzzer sound. IC1 is pulse generator, to transistor PNP for boost current to speakers.
April 8, 2017
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