The HC-SR04 Ultrasonic Distance Sensor provides accurate, non-contact distance measurement from 2 cm to 400 cm with high precision. Ideal for robotics, obstacle detection, level measurement, and Arduino/ESP32/Raspberry Pi projects.
The Micro SD Card Module allows easy data storage and retrieval using a Micro SD card via SPI communication. Compatible with Arduino, ESP32, ESP8266, Raspberry Pi Pico, and other microcontrollers, it is ideal for data logging, file storage, and embedded projects.
TTP223 Touch Sensor Module is a capacitive touch switch module that detects touch using the human body. It works as a simple touch button replacement and is ideal for Arduino, ESP, STM32, and DIY electronics projects.
The INA219 Current Sensor Module is a high-precision I2C-based current and power monitoring module. It can measure both voltage and current simultaneously, making it ideal for battery monitoring, IoT projects, and power management systems.
The INA3221 Current Sensor Module is a triple-channel I2C current and voltage monitoring module capable of measuring up to three independent loads simultaneously. Ideal for advanced power monitoring, battery systems, and IoT applications.
The HLK-ZW111 is a compact low-power capacitive fingerprint recognition module designed for smart locks, access control, attendance systems, and embedded security projects. It features fast fingerprint matching, UART communication, 3.3V operation, and onboard fingerprint processing for easy integration with ESP32, STM32, Arduino, and other microcontrollers.