Stepdown Module(AMS1117)

가운데|class=coders100

Overview

The AMS1117 step-down module is a device that converts high voltage to low voltage, widely used in various electronic circuits. It is primarily used when a stable output voltage needs to be supplied from an input voltage, typically providing output voltages of 1.25V, 3.3V, or 5V.

Specifications

Features	Detailed Information
Input Voltage Range	4.75V ~ 15V
Output Voltage	Depending on the model: 1.25V, 1.5V, 1.8V, 2.5V, 3.3V, 5V
Output Current	Maximum 1A
Voltage Drop	Low voltage drop characteristics
Temperature Range	-40°C ~ +125°C

Usage Example

1. Checking Output Voltage with a Multimeter

This is an example of using a multimeter to verify that the desired output voltage is being produced.

Circuit Configuration

By connecting a 10μF capacitor at both the input and output, you can achieve higher stability. This example omits that for simplicity.

가운데|class=coders100

Execution Result

Using the 3.3V model, it can be confirmed that the output is correctly measured at 3.3V on the multimeter.

가운데|class=coders100

2. Comparing Output Voltage with LED Brightness

This example compares the brightness of an LED when using the 3.3V step-down module connected to the 5V pin of the Arduino, both with and without the module.

Circuit Configuration

가운데|class=coders100

Execution Result

You can see that the LED supplied with 3.3V is significantly less bright than the LED directly connected to 5V.

가운데|class=coders100

Purchase Link

GONGZIPSA