Power

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Wireless Charging PCB Module 5-12V

$7.90

The Wireless Charging Module can be applied in electronic equipment in common use for close wireless charging or power supply. Consisted of a transmitter and insulation coil, it could serve as a replacement for the Wireless Power Supply with stable 5V output voltage and maximum 700mA output current. Its small size and insulation coil is more suitable for using in wireless project.

Both transmitter and receiver's insulation coil are built-in the PCB.

Price: $7.90

USB current and voltage monitor

$12.90

Small in size, it's a simple and practical tool that can detect USB voltage and current draw.
It doesn't need any external power, and it not only measures voltage and current, but also acts as an unpowered USB hub.
As a USB meter, It has large detection range, 3.2v to 10v Voltage and 0A to 3A current.

Features

  • Simple and practical
  • Small size
  • Convenient to carry
  • No external power
  • no drivers needed

Specifications

Price: $12.90

Adafruit Micro Lipo - USB LiIon/LiPoly charger

$5.95

Description
Oh so adorable, this is the tiniest little lipo charger, so handy you can keep it any project box! Its also easy to use. Simply plug in the gold plated contacts into any USB port and a 3.7V/4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on. Seriously, it could not get more easy.

Price: $5.95

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