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DC to DC 3.3V, 5V Module is a versatile power supply module designed to provide stable 3.3V and 5V outputs from a DC input source. It is commonly used in embedded systems, microcontrollers, and low-power IoT devices that require reliable voltage regulation. The module supports a wide input voltage range, making it adaptable for various power sources. It features onboard voltage selection jumpers, allowing users to easily switch between 3.3V and 5V outputs. The built-in voltage regulator ensures stable operation even under fluctuating loads. It is commonly used in Arduino, Raspberry Pi, and ESP8266 projects. The compact design allows for easy mounting in breadboard circuits and prototyping setups.