USB Resistor Dc Electronic Load with Switch Adjustable 5V1A/2A/3A
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This USB electronic load uses Ohm's law and parallel resistors to provide adjustable discharge currents for testing USB power sources. With switches for 2.2Ω/10W and 4.7Ω/10W resistors, it can simulate loads up to 3A at 5V, making it ideal for DIY electronics testing and power supply evaluation.
add_circle The Upside
- check Simple switch-based adjustment for different load currents
- check Useful for testing USB power banks and chargers
- check Low cost and easy to use for hobbyists
remove_circle The Downside
- close Limited to 5V operation only
- close No digital display or precision control
- close Resistors may get hot during extended use
Specifications & features
Key features
- check_circle Adjustable load via switches: 1A, 2A, or 3A at 5V
- check_circle Uses Ohm's law with parallel resistors for accurate discharge
- check_circle Includes 2.2Ω/10W and 4.7Ω/10W resistors
- check_circle Compact PCB design with USB input
- check_circle Green PCB for easy identification
Specifications
Color
Green
Connector
USB
Input Voltage
5V DC
Load Current
1A, 2A, or 3A (switch selectable)
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