Adafruit
5V 1A (1000mA) USB port power supply - UL Listed
This 5V 1A USB power supply provides clean, regulated power for microcontrollers, development boards, and USB-charged devices. It accepts 110–240V AC input a...
This 5V 1A USB power supply provides clean, regulated power for microcontrollers, development boards, and USB-charged devices. It accepts 110–240V AC input and outputs via a USB Type-A port, so you simply plug in whatever USB cable your project needs.
The supply is intentionally designed to output 5.25V rather than exactly 5V. This compensates for voltage drop caused by cable resistance, ensuring your device receives a full 5V even with longer or thinner USB cables. The 5.25V output is within the USB power specification and safe for all 5V electronics.
Key Features
- Output – 5.25V DC at up to 1A (1,000mA) via USB Type-A port
- Input – 110–240V AC (universal)
- Voltage Compensation – 5.25V output offsets cable resistance losses
- Apple-Compatible Charging – Data line resistors match iPhone charger profile
- LED Indicator – Red power indicator
- UL Listed – Safety certified
Ideal For
- Powering Arduino, Raspberry Pi, Teensy, and other development boards
- Lithium-polymer battery chargers
- USB-powered sensors and peripherals
- Any project needing a reliable 5V USB power source
Package Contents
- 1× 5V 1A USB Power Supply (US plug)
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
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