The Single Channel 5V Relay Module allows low-voltage microcontrollers to safely control high-voltage AC or DC devices. It features a 5V operating voltage, reliable switching performance, and is compatible with Arduino, ESP32, ESP8266, Raspberry Pi, and other development boards. Ideal for home automation, IoT, robotics, and DIY electronics projects.

These high-capacity 18650 lithium-ion batteries provide reliable power for a wide range of electronic devices. With a 3.7V output and high discharge rate, they are suitable for power banks, robotics, and portable systems. Rechargeable and long-lasting, they offer efficient energy storage and are ideal for both DIY and professional applications.

The ACS712 current sensor module is designed to measure AC or DC current up to 30A. It provides an analog output proportional to the current flow, making it easy to interface with microcontrollers. Ideal for power monitoring, battery management, and safety systems, it offers accurate and reliable current sensing in various applications.

This voltage detection sensor module is designed to measure DC voltages up to 25V. It converts higher voltages into a safe range for microcontrollers to read. Ideal for battery monitoring and power systems, it ensures accurate voltage measurement. Easy to interface, it is widely used in Arduino and embedded electronics projects.

The TP4056 module is a dedicated charger for single-cell lithium-ion batteries. It offers constant current and constant voltage charging with built-in protection features. Ideal for portable electronics and DIY battery projects, it ensures safe and efficient charging. Its compact design makes it easy to integrate into various applications.

The IP5328 power bank module is an advanced charging and boosting solution for lithium batteries. It supports fast charging, battery protection, and efficient power management. Ideal for DIY power banks, it integrates multiple functions including charging, boosting, and output control, ensuring safe and reliable operation.

The 2S battery holder is designed to securely hold two 18650 lithium-ion batteries in series. It provides a stable power output suitable for various DIY electronics and robotics projects. Built with durable materials, it ensures reliable connections and easy battery replacement. Ideal for portable power solutions, it is commonly used in embedded systems and battery-powered devices.

This 3S battery holder is built to accommodate three 18650 lithium-ion cells in series, delivering higher voltage output for demanding applications. It offers secure battery placement and strong electrical contact. Suitable for robotics, power banks, and DIY power systems, it ensures efficient energy delivery while maintaining safety and ease of use.

A DC-DC boost converter increases a lower input voltage to a higher output voltage efficiently. It is commonly used in battery-powered systems where voltage needs to be stepped up. Compact and efficient, it is ideal for powering devices that require higher voltage than the source provides, ensuring stable performance in portable electronics.

The LM2596 buck converter is a step-down voltage regulator that efficiently reduces higher input voltage to a stable lower output. It features adjustable output, high efficiency, and reliable performance. Ideal for power supply circuits, it is widely used in battery-powered systems, Arduino projects, and embedded applications.

The AMS1117 is a low-dropout voltage regulator designed for efficient voltage regulation in compact circuits. It is available in multiple output versions, commonly used for 3.3V and 5V applications. Ideal for embedded systems and development boards, it offers stable performance and is widely used in modern electronics projects.

The 7805 voltage regulator is a widely used linear regulator that provides a stable 5V output from higher input voltages. It is ideal for powering microcontrollers and electronic circuits. Known for its simplicity and reliability, it includes built-in thermal and short-circuit protection, making it suitable for a wide range of power supply applications.