50pcs/lot NEW SLA-24VDC-SL-A SLA-24VDC 30A 250VAC SONGLE DIP4 Power supply board relay welding inverter repair parts

50pcs/lot NEW SLA-24VDC-SL-A SLA-24VDC 30A 250VAC SONGLE DIP4 Power supply board relay welding inverter repair parts

50pcs/lot NEW SLA-24VDC-SL-A SLA-24VDC 30A 250VAC SONGLE DIP4 Power supply board relay welding inverter repair parts

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10pcs/lot NEW SLA-24VDC-SL-A SLA-24VDC 30A 250VAC SONGLE DIP4 Power supply board relay welding inverter repair parts

10pcs/lot NEW SLA-24VDC-SL-A SLA-24VDC 30A 250VAC SONGLE DIP4 Power supply board relay welding inverter repair parts

10pcs/lot NEW SLA-24VDC-SL-A SLA-24VDC 30A 250VAC SONGLE DIP4 Power supply board relay welding inverter repair parts

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CH340 DIY 5V Mini USB to TTL Board Module - Blue + Silver

CH340 DIY 5V Mini USB to TTL Board Module - Blue + Silver

Brand N/A Model CH340 Quantity 1 Color Blue + silver Material PCB + components Features Board CH340 USB-RS232 converting chip Specification Board power indicator; Board USB male port convenient to connect to computer; TTL pin has been lead out; Working voltage: 5V Application DIY English Manual/Spec Yes Packing List 1 x Module

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Mini Digital Power Amplifier Board 2*3W Class D Audio Module USB DC 5V PAM8403

Mini Digital Power Amplifier Board 2*3W Class D Audio Module USB DC 5V PAM8403

Mini Digital Power Amplifier Board 2*3W Class D Audio Module USB DC 5V PAM8403 Feature: Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply Battery power can also be used High efficiency: 90% Can provide 3W (left channel) + 3W (right channel) output power in the 4 load and 5V power supply conditions A class, B class amplifier such efficiency is only about 30% D class amplifier is highly respected today D class amplifier efficiency is extremely high, not because of temperature affect the sound quality But do not add heat sink and take less space noise cancelling circuit was built in the amplifier board Power on / off without pop noise Module has a short-circuit current protection and over-temperature protection Specification: Operating Voltage: 2.5V ~ 5.5V Speaker With: 4Ohm ~ 8Ohm (recommended: 4Ohm) Speaker Power: 2W ~ 8W Size: 21 x 18 x 3.4mm (L x W x H) Net Weight: 1g Application: LCD TVs, monitors Laptop Portable Speakers Portable DVD players, game consoles Phone / speakerphone Note: First turn OFF and then powered speakers or likely to cause damage to the chip; Because digital volume control module has a great gain so do not let too much leaving the audio signal input signal cut limiter. Package included: 1 x Mini Amplifier Board

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5Pcs 30A New Range Current Sensor Module Board For ACS712

5Pcs 30A New Range Current Sensor Module Board For ACS712

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4560 Portable Power Bank Case + Circuit Board - White

4560 Portable Power Bank Case + Circuit Board - White

Brand N/A Model 4560 Quantity 1 Color White Material ABS + circuit board Specification Output: 1.8A; Charging current: 500mA; With charging and short circuit protection Features N/A Application For power bank English Manual/Spec Yes Packing List 1 x Circuit board 1 x Case

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4A To 6A 24V Switching Power Supply Board AC-DC Power Module

4A To 6A 24V Switching Power Supply Board AC-DC Power Module

4A To 6A 24V Switching Power Supply Board AC-DC Power Module Feature: Power Model:XK-2412-24 Protection: overvoltage overcurrent circuit protection AC input: AC85-265V (Global common) AC frequency: 50HZ/60HZ Output voltage: DC 24V Output Current: 4A-6A Output Power: 100W Modulation: Pulse width modulation Package included: 1 x 4A To 6A 24V Switching Power Supply Board AC-DC Power Module

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V8 Sensor Expansion Board Electronic Building Blocks for Arduino - Red

V8 Sensor Expansion Board Electronic Building Blocks for Arduino - Red

In the production of interactive work with Arduino I often use some common sensor or circuit module . It is certainly possible for those who are familiar with electronic circuits in terms of universal board with bread board or set up some simple module circuit but for those who are not familiar with the circuit or the slightly more complex circuit is concerned it seems not so fit . With this expansion board can be easily connected with a number of analog sensor used such as light sensors. With the support of this expansion board and the corresponding circuit module we only need a dedicated cable to connect the appropriate sensor modules with Arduino part of the circuit is complete. Due to the specific details of the circuit by a corresponding sensor module to achieve because some need to consider just how we write in the corresponding Arduino program to read these sensors pass over the data on it. V08 version also uses stackable design and the restaurant can be used in conjunction with other expansion boards . It also modifies the digital sensor line sequence interface easier to connect various sensors can be directly connected to the servo motor ; Meanwhile changing expansion board is also equipped with a power switch you can easily switch between 3.3V with 5V voltage.

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3Pcs PAM8403 Mini Digital Power Amplifier Board Class D Audio Module 2x3W

3Pcs PAM8403 Mini Digital Power Amplifier Board Class D Audio Module 2x3W

3Pcs PAM8403 Mini Digital Power Amplifier Board Class D Audio Module USB DC 5V 2x3W Feature: Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply Battery power can also be used High efficiency: 90% Can provide 3W (left channel) + 3W (right channel) output power in the 4 load and 5V power supply conditions A class, B class amplifier such efficiency is only about 30% D class amplifier is highly respected today D class amplifier efficiency is extremely high, not because of temperature affect the sound quality But do not add heat sink and take less space noise cancelling circuit was built in the amplifier board Power on / off without pop noise Module has a short-circuit current protection and over-temperature protection Specification: Operating Voltage: 2.5V ~ 5.5V Speaker With: 4Ohm ~ 8Ohm (recommended: 4Ohm) Speaker Power: 2W ~ 8W Size: 21 x 18 x 3.4mm (L x W x H) Net Weight: 1g Application: LCD TVs, monitors Laptop Portable Speakers Portable DVD players, game consoles Phone / speakerphone Note: First turn OFF and then powered speakers or likely to cause damage to the chip; Because digital volume control module has a great gain so do not let too much leaving the audio signal input signal cut limiter. Package included: 3 x 2 x 3W class D Mini Amplifier Board

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