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5V Electronic Buzzer

5V Electronic Buzzer
₦ 850
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- 40mA Current (Max)
- 80dB at 20cm Sound Output
- 100Hz Frequency
- 26mm Diameter
- 2mm Mounting holes
2 in stock
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3V to 5V USB Output Step Up Power Module
₦ 1,000This module is excellent for charging mobile phones or powering other kinds of devices from 3V power sources such as Lithium Ion batteries or AA batteries. It delivers a regulated 5V output from a 3V input source.
Features:
- Input voltage: 1-5V
- Output voltage: 5.1-5 .2 V
- Output Current: Rated 1A-1.5A (single lithium input), the maximum 1.5A (single lithium input)
- Efficiency: Up to 96% (the higher the input voltage, the higher the efficiency)
- Switching frequency: 500KHz
- Input Reverse Polarity Protection: None
- Connection: Welding
- Input: IN + Postive, IN-Negative
- Output: USB Output
Can be used to easily make mobile power supply to charge and power MP3, Mobile phones or power bank from as little as a single cell.
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5V DC 2 Channel Solid State Relay Module
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- High current relay, AC250V 10A, DC30V 10A
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- Opto-isolation circuitry
- PCB size: 50×45 mm
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5V Solid State Relay Module
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- 5V Omron solid state relay 240V 2A.
- Input Power: 5V DC (160MA)
- Input Control Signal 0-2.5V Relay is ON (Open), 3.3-5V relay is OFF(Closed)
Module interface:
- DC +: positive power supply (by relay voltage power supply)
- DC-: connect power negative
- CH: relay module signal to trigger the end (low level trigger valid)
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- Stepper motor driver board with ULN2003.
- A, B, C, D four-phase LED indicates the status of the stepper motor work.
- Stepper motor with a standard interface.
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DC Buzzer -3-24V
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3V to 5V USB Output Charger Step up Power Module
₦ 1,000This module is used as a DC-DC booster, converting 3V to 5V. With the aid of this board, you can charge your mobile phones and power other kinds of USB devices from power sources with voltage as little as 1.5V such as batteries.
- Non-isolated step-up module (BOOST)
- Input voltage: 1-5V
- Output voltage: 5.1-5 .2 V
- Output Current: Rated 1A-1.5A
- Efficiency: Up to 96% (the higher the input voltage, the higher the efficiency)
- Switching frequency: 500KHz
- Output ripple: 30mV (MAX) 20M bandwidth (input 4V output 5.1V 1A)
- Voltage indication: LED lights with load (input voltage less than 2.7V LED indicator off)
- Operating Temperature: Industrial (-40°c to +85°c)
- Full load temperature rise: 30°c
- Quiescent Current: 130uA
- Load regulation: ± 1%
- Voltage regulation: ± 0.5%
- Dynamic response speed: 5% 200uS
- Short circuit protection: None (Please use the lithium battery with protection.)
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