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5V to 3.3V For DC-DC Step-Down Power Supply Buck Module AMS1117 LDO 800MA

Aluminium Heat Sink Transistor Radiator for TO-220\7805\7812 Triode 20*15*10MM

Mini Horn Alarm Siren 105db Sound Alarm DC 12V Wired Indoor Siren for Home House Alarm System

XL6009 DC-DC Booster Power Supply Module Output is Adjustable Super LM2577 Step-Up Module DC DC Step Up Converter Boost Board

ABS 18650 Power Bank Cases 1X 2X 3X 4X 18650 Battery Holder Storage Box Case 1 2 3 4 Slot Batteries Container

BC337 BC327 2N2222 2N2907 2N3904
2N3906  S8050  S8550  A1015    C1815    TO-92    10 VALUE X  20pcs  = 200pcs

600pcs/lot 30Values* 20pcs 1% 1/4 W resistor pack set diy Metal Film Resistor kit use colored ring resistance (10 ohms~1 M ohm)

PS2 Wireless Controller Game Pad Joystick 2.4G Handle Arduino Robot DIY Platform

DC 12V Hot Water Circulation Pump 800L/H Brushless Motor Water Pumps Food Degree TE091

Dimensions: Approx 10cm x 4.5cm x 9cm(L x W x H)


Color: Black


Rated voltage: 12V DC


Power: 19W

DC Micro Motor Small LED lights Vertical Axis Wind Turbine Generator Blades

Speaker 0.5watt 8ohm + Power Amplifier Music Player Module
Size: 34 x 21mm
Fixed hole: 3mm
Pitch: 15mm
Speaker power: 0.5W / 8Ω
Speaker diameter: 50mm
Amplifier chip: LM386
Voltage: 5V

SIM900A V3.8.2 Wireless Extension Module GSM GPRS Board with Antenna Kit
- Onboard two sets of power interface VCC5 5V power supply, VCC4 interface, 4.8-5.2V power supply, optional power supply self-start (default) and control start.- Onboard SMA (default) and IPXmini antenna interface, SIM900A interface retains reset.- The size of the module is 49 * 50mm, all new and original equipment.- The computer can power the early computer debugging USB module, and there is a very large amount of data under the recommended current of more than 1A.- You can set up dozens of MA data in standby to provide 10MA low power sleep and sleep.