This mini Doppler Radar Sensor With Digital Output-RCWL-0516 is equipped with supporting DC 4-28V wide voltage It will automatically continuously output the high level TTL signal when there is motion. 360 degree no blind angle detection and maximum 7m sensing distance. It is perfect for DIY microwave motion sensor light switch, human sensor toys, smart security devices, etc.
MicroSD Card module is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the MicroSD card read and write files. Arduino users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write.
This Mini MP3 Player Module MP3-TF-16P is the perfect integration of hard decoding of MP3 and WMV. The module also customized products, designed for USB card reader, USB sound card, fixed voice, playing low cost development solution.
This Ultrasonic Sensor Module Water Proof JSN-SR04T meets this requirement. It has a good performance and almost the same usage of HC-S04 module. Compares to the SR04 module, this module is more easy to install with waterproofing.
