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5V Electronic Buzzer
5V Electronic Buzzer
₦ 1,000
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- 40mA Current (Max)
- 80dB at 20cm Sound Output
- 100Hz Frequency
- 26mm Diameter
- 2mm Mounting holes
Out of stock
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With this relay you can easily control electrical appliances, lights, etc.
Features:
- 5V Operation
- The static current:5mA
- Working current:190mA
- Trigger current:2-4mA
Module interface specifications:
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- DC+ : DC power supply positive pole
- DC- :DC power supply negative pole
- IN : signal triggering pin
- JD+ : relay control voltage positive
- JD- : relay control voltage negative
- It is an 1-channel relay interface board, which can be controlled directly by a wide range of microcontrollers.
- It is also able to control various appliances and other equipment with large current.
- Relay output maximum contact is AC250V 10A and DC30V 10A.
- Can be connected directly to microcontoller GPIO pins.
- Working status indicator lights are conducive to the safe use.
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5V DC 2 Channel Solid State Relay Module
₦ 3,000This is a 5V solid state relay 240V 2A, able to control sizable loads.
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- High current relay, AC250V 10A, DC30V 10A
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- Works with logic level signals from 3.3V or 5V devices
- Opto-isolation circuitry
- PCB size: 50×45 mm
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3V to 5V USB Output Step Up Power Module
₦ 2,000This 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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DC Buzzer -3-24V
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100W Stereo Amplifier Board With Microphone Input
₦ 4,800- Output power:50W+50W
- Output Impedance:4-8 Ohms
- Frequency range:20Hz-30kHz
- Microphone input
- SNR:100dB
- Number of channels: 2 (left channel,right channel)
- Power Supply: AC +/-24V (>120w) ring transformer (Please use a high power transformer or DC power supply for best output.
Package Size:36cm x 33cm x 16cm (14.17in x 12.99in x 6.30in)
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