
jukebox Circuit NE555 LM386 Amplifier
The system is simple but so beautiful that made a pcb design looks very nice also afford a good hard ne555 is divided with different frequencies in different intonation frequency setting resistors does the audio output amplifier with lm386... Electronics Projects, jukebox Circuit NE555 LM386 Amplifier "555 timer circuits, analog circuits projects, simple circuit projects, " Date 2019/08/03
The system is simple but so beautiful that made a pcb design looks very nice also afford a good hard ne555 is divided with different frequencies in different intonation frequency setting resistors does the audio output amplifier with lm386 is raised. Fun is a simple circuit circuit diagram in pdf format, printed circuit board and the settlement plan.
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Made in China Universal Charger Schematic
Released several years ago (I’ve seen in the first resort) is a simple but very handy charger. typically known as spider or insect charging charger recharges but the strength is low long:) mechanical design in different sizes, cell phone, camera, place it in the charger the battery of the device will be a lot, etc. Charging circuit LM358 op amp is built on