Doorbell Component Suite Elektronische Produktion Türklingel DIY Kit NE555 Chip

Beschreibung:
100% nagelneu und hohe Qualität
Ding Dong Türklingel Schalter S1 ist Druckschalter an der Tür, ohne den Schalter drücken, die Kapazität kann nicht angeschlossen werden wird nicht aufgeladen, und Kapazitanzspannung von 0 V, der Reset war in einem niedrigen Zustand, was zu den Lautsprecher doesn ' t.Wenn geschlossen Schalter s1, der VCC Strom durch die Diode für Kondensatorladung, machen seine beiden Enden der Spannung, und auch die Reset-Spannung begann allmählich zu steigen.Wenn die Spannung der Kapazität zu höheren Ebenen, nämlich der Reset-Eingang erhöht Port ist der hohe Pegel, beginnt der Timer, bestehend aus Widerstand, Kapazität und Diode Oszillator Start Arbeit, Ausgangsfrequenz für f1.Wenn Trennschalter s1, Widerstand und Kapazität Schaltung, begann der Kondensator zu entladen. Zur gleichen Zeit, bestehend aus Widerstand, Kapazität und Dioden-Oszillator starten Arbeit, Ausgangsfrequenz für `2 f.Restore niedrigen Pegel wird zurückgesetzt, wenn die Kondensatorentladung Ende, Timer zu arbeiten.
In der Lautsprecherausgangsbeendigung, Ausgangsstrom macht den Sprecher Stimme. Ausgabefrequenz ist nicht gleichzeitig, der Ton ist unterschiedlich. Dieser Stromkreis hat zwei Arten unterschiedliche Frequenz, also wird der Lautsprecher ein "Ding" "Dong" ausgegeben zwei Arten von verschiedenen Sounds.

Spezifikationen:
Betriebsspannung: 4.0-7.0V
PCB Größe: 28mm (L) * 25mm (W)
Kit Horn: 8 Ohm 0,25W
Farbe Beige
Nettogewicht: 15g

Lieferinhalt:
1 * 8 Ohm 0,25 W Horn
2 * 100MM rote Linie
2 * 100MM schwarze Linie
1 * NE555 Chip
1 * 8P IC-Block
1 * 100UF 25V Kapazität
1 * 10UF 25V Kapazität
1 * 6 * 6 * 5 Tastendruck]
3 * 103 Keramikkondensatoren
5 * 47K Widerstand
2 * 1N4148

English description:
Description:
100% brand new and high quality
Ding dong doorbell switch s1 is push button switch on the door, without press the switch, the capacitance cannot be connected is not recharged, and capacitance voltage of 0 v, the reset has been in a low level condition, leading to the speaker doesn't work.When closed switch s1, the VCC current through the diode for capacitor charging, make its both ends of the voltage, and reset voltage also began to rise gradually.When the voltage of the capacitance increased to higher levels, namely the reset input port is the high level, the timer starts, composed of resistance, capacitance and diode oscillator start work, output frequency for f1.When disconnecting switch s1, resistance and capacitance circuit, capacitor began to discharge.At the same time composed of resistance, capacitance and diode oscillator start work, output frequency for ` 2 f.Restore low level is reset when the capacitor discharge end, timer stop working.
In the speaker output termination, output current will make the speaker voice.Output frequency is not at the same time, the sound is different.This circuit has two kinds of different frequency, so the speaker will be issued a "ding" "dong" two kinds of different sounds.

Specifications:
Working voltage: 4.0-7.0V
PCB size: 28mm (L) *25mm (W)
Kit horn: 8 Ohm 0.25W
Color: Beige
Net Weight: 15g

Package Included: 
1* 8 Ohm 0.25W horn 
2* 100MM red line
2* 100MM black line 
1* NE555 chip 
1* 8P IC block 
1* 100UF 25V Capacitance
1* 10UF 25V Capacitance
1* 6*6*5 keystroke] 
3* 103 ceramic capacitors 
5* 47K resistance 
2* 1N4148

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