Products

Product Description The Keyestudio 1602 I2C LCD Display Module is a compact 16×2 character display module featuring a blue backlight with crisp white text designed for seamless integration with Arduino UNO R3, Arduino MEGA 2560, Arduino Nano, ESP32, Raspberry Pi, and other microcontroller development boards. Using the I2C/TWI communication interface, it reduces...

The Keyestudio 4-Channel 5V Relay Module is an electronic switching board designed to control multiple electrical devices using Arduino-compatible boards and other microcontroller systems. It features four independent relay channels, allowing users to switch up to four separate circuits through low-voltage control signals. Operating with a 5V control supply, this...

The Keyestudio 8-Channel 5V Relay Module is an electronic switching board designed to control up to eight independent electrical circuits using Arduino and other compatible microcontrollers. Each relay operates with a 5V coil supply, making the module suitable for automation projects, electronic control systems, and DIY applications. The module allows...

The Keyestudio CH340 Nano Controller Board is a compact and versatile development board designed for electronics projects, DIY applications, and embedded system development. Compatible with the Arduino Nano platform, it features a CH340 USB-to-serial converter for easy programming and communication with a computer via USB. Its small size makes it...

The Keyestudio HC-SR04 Ultrasonic Sensor is a non-contact distance measurement module designed to detect objects and measure the distance between the sensor and nearby surfaces. It uses ultrasonic sound waves to calculate distance, making it ideal for obstacle detection, robotics, automation, and electronic measurement projects. Operating at 5V DC, the sensor...

The Kromschröder DG 150U-3 (Part No. 84447500 / S84447500) is an adjustable pressure switch designed to monitor low gas and air pressures. It activates or changes its electrical contacts when the pressure reaches a preset switching point, making it suitable for burner systems, industrial gas equipment, ventilation systems, and combustion...

The KY-040 360° Rotary Encoder Module is a compact input control module used to detect rotational direction, relative position, and button presses. It provides digital output signals that can be easily connected to Arduino, ESP32, Raspberry Pi, and other microcontroller platforms. The encoder can be rotated continuously in either direction,...

The L293D Motor Shield is a versatile motor driver expansion board designed for Arduino boards, providing an easy way to control DC motors, stepper motors, and servo motors. It uses the L293D H-bridge motor driver to provide bidirectional control of DC motors and supports independent speed and direction control. The...

The L7805 Voltage Regulator IC is a three-terminal positive linear voltage regulator designed to provide a stable 5V DC output from a higher DC input voltage. It is widely used in electronic circuits that require a regulated 5V supply for microcontrollers, sensors, digital logic, and other electronic components. Featuring built-in...

The L7824CV Voltage Regulator IC is a three-terminal positive linear voltage regulator designed to provide a stable 24V DC output from a higher DC input voltage. It is suitable for electronic circuits and equipment that require a regulated 24V power supply. Featuring built-in thermal overload protection, short-circuit protection, and safe...

The LDR Photosensitive Light Sensor Module is a compact light-detection module designed for Arduino and other microcontroller projects. It uses a light-dependent resistor (LDR) to detect changes in ambient light and provides a digital output based on an adjustable threshold. The onboard potentiometer allows you to set the desired light...

The 5mm RGB Diffused LED (4-Pin) is a compact, multicolor light-emitting diode that combines three primary colors—red, green, and blue—into a single LED package. By controlling the brightness of each color independently, it can produce a wide range of colors for electronic projects, visual indicators, and decorative lighting. Its diffused...