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USB Detector Current Voltage 3V-9V Tester Dual USB Dual display (USB Docter Dual)

Use the USB Charger Doctor to measure the working voltage and current output for any USB port and project. This plastic dongle plugs between a USB device, and passes the data lines through. There's a 0.05 ohm resistor in line with the power pin that is used to measure current draw. The Doctor's digital display instantly reads the numbers out for testing devices such as chargers, cables, and cell phones.

You can use this device from 3.5-7VDC input voltage (although most USB devices tend to hover around 4.75 to 5.25) and up to 3A of current. It displays both voltage and current readouts. It's a very handy tool for testing USB devices, checking load levels and debugging battery chargers and boost converters.

R199.90  Inc VAT
DC 9V 1A Battery Button Power Cable Tieline For Arduino (9VDC Batt arduino power clip)

Description:

This is a DC 9V Battery Button Power Cable Tieline For Arduino

Barrel adapter is negative on the outside

Package includes:

1 x DC 9V Battery Button Power Cable 
R9.90  Inc VAT
6 x AA Battery Holder with DC2.1 Power Jack for Arduino (battery holder 6xAA)
Description:

Holds 6 x AA batteries (not included) which can do 7.2 V rechargeable battery pack from NiMH / NiCd cells or 9V battery pack from alkaline cells
Power supply for dc projects.
With DC05 power supply jack
Cable Length: 12cm

Specifications:

Voltage: 9V
Material: Plastic
Power: 6 x 1.5V AA batteries
Color: Black
Net weight: 25g

Package includes:

1x Battery case with DC2.1 power jack
R28.75  Inc VAT
Dual USB 9V/12V/24V/36V to 5V Converter DC-DC 3A Step Down Power Module (5V dual usb converter)

Specifications:


Input: 9V-36V
Output: 5V / 3A (MAX)
Efficiency: 92% (MAX)
Switching frequency: 150KHZ
Operating temperature: -40 ℃ - + 85 ℃
Load capacity: Maximum output 3A in total on both ports
Application: mobile power, mobile phones, flat-panel USB5V powered devices

Package includes:

1 x DC Power Module
R59.90  Inc VAT
9V 1A AC to DC Power Supply for Arduino (power 9V arduino)
Wide input range, high precision voltage.
Overload protection
Short circuit protection
Over temperature protection
Input:100-240V AC 50/60Hz
Output: DC 9V 1000mA
Plug: EU Plug
Dimension: 70mm x 80mm x 28mm
Cable length: about 100cm
DC Plug Dimension: 5.5mm x 2.5mm
Color: Black
EU type
R69.90  Inc VAT
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