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HomeElectronicsWearable TechnologyAccessoriesSmart Watch AccessoriesSmart Watch BandsKit NE555 Chip Ding Dong Doorbell NE555 Doorbell Suite Digital Doorbell Making Kit DIY
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Kit NE555 Chip Ding Dong Doorbell NE555 Doorbell Suite Digital Doorbell Making Kit DIY
GH₵ 517.44
GH₵ 750.2931%
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Order above GHC 150 on Jumia Express items & get free delivery | regular delivery from GH₵ 45.74 to Tema
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Delivery Fees GH₵ 45.74
Ready for pickup between 08 January and 13 January if you place your order within the next 15hrs 6mins
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Delivery Fees GH₵ 60.02
Ready for delivery between 08 January and 13 January if you place your order within the next 15hrs 6mins
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Product details
Label:Yes
Package Name: NE555 doorbell kit
Net Weight: 15g
Package Includes:1 set NE555 doorbell kit
Working voltage: 4.0-7.0V
Color: Beige
Kit horn: 8 Ohm 0.25W
PCB size: 28mm (L) *25mm (W)
Package Name: NE555 doorbell kit
Working voltage: 4.0-7.0V
PCB size: 43mm (L) *35mm (W)
Kit horn: 8 Ohm 0.25W
Color: Beige
Net Weight: 15g
Package Includes:
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
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.
Package Name: NE555 doorbell kit
Net Weight: 15g
Package Includes:1 set NE555 doorbell kit
Working voltage: 4.0-7.0V
Color: Beige
Kit horn: 8 Ohm 0.25W
PCB size: 28mm (L) *25mm (W)
Package Name: NE555 doorbell kit
Working voltage: 4.0-7.0V
PCB size: 43mm (L) *35mm (W)
Kit horn: 8 Ohm 0.25W
Color: Beige
Net Weight: 15g
Package Includes:
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
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
Key Features
Label:Yes
Package Name: NE555 doorbell kit
Net Weight: 15g
Package Includes:1 set NE555 doorbell kit
Working voltage: 4.0-7.0V
Color: Beige
Kit horn: 8 Ohm 0.25W
PCB size: 28mm (L) *25mm (W)
Package Name: NE555 doorbell kit
Working voltage: 4.0-7.0V
PCB size: 43mm (L) *35mm (W)
Kit horn: 8 Ohm 0.25W
Color: Beige
Net Weight: 15g
Package Includes:
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
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.
Package Name: NE555 doorbell kit
Net Weight: 15g
Package Includes:1 set NE555 doorbell kit
Working voltage: 4.0-7.0V
Color: Beige
Kit horn: 8 Ohm 0.25W
PCB size: 28mm (L) *25mm (W)
Package Name: NE555 doorbell kit
Working voltage: 4.0-7.0V
PCB size: 43mm (L) *35mm (W)
Kit horn: 8 Ohm 0.25W
Color: Beige
Net Weight: 15g
Package Includes:
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
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
- SKU: GE779EA4S1MPGNAFAMZ
- Model: avoid chenicals
- Production Country: China
- Size (L x W x H cm): 12 x 13 x 14 cm
- Weight (kg): 1
- Color: Matches the image
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/product/88/9700362/1.jpg?0158)
Kit NE555 Chip Ding Dong Doorbell NE555 Doorbell Suite Digital Doorbell Making Kit DIY
GH₵ 517.44
GH₵ 750.2931%
Questions about this product?