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ExpressCard to M.2 Wireless Network Card Adapter Compatible with ExpressCard34 and ExpressCard54 Interface
$18.87
YSKJ-49 Mini Portable Handheld Tesla Coil 180W Artificial Lightning Generator Arc Gun (Black Shell + Golden Coil)
$70.20
YSKJ-49 Mini Portable Handheld Tesla Coil 180W Artificial Lightning Generator Arc Gun (White Shell + Blue Coil)
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Mini Emergency Hand Generator for Outdoor Emergency and Mobile Charge with Rectifier Bridge Board
Features:
- Emergency charging of scientific research teaching equipment
- Output power: about 0.5~8.0W
- Mini size, easy to carry
Instruction:
- This series of generators are mainly used to charge small batteries, so it is necessary to convert AC power into DC power when using this motor. It needs to be rectified and filtered, and its circuit schematic diagram (shown above):
In the figure, G: generator, its three output conductors can be connected to D at will without phase sequence;
D: Diode, N4001 optional (recommended);
C: Electrolytic capacitor, with the capacity of 470uF-2000 uF/16v;
- Number of gear teeth of motor spindle L=10, gear module m=0.5, pressure angle α =20 degree
- When the motor noise increases, add gear lubricating oil to the motor gear.
Package Included:
- 1 x Generator
Note:
- Battery is not included.
