This is s a 300Mbps wireless USB lan adapter suitable for desktop and notebooks and other equipments for wireless connections, offering a convenient way to get wifi.Ideal for Raspberry Pi, Beagleboard and other embedded linux boards where a connectivity is needed far from the AP.
The Fingerprint Sensor is one optical fingerprint sensor which will make adding fingerprint detection and verification super simple.There's a high powered DSP chip AS601 that does the image rendering, calculation, feature-finding and searching. You can also enroll new fingers directly - up to 162 finger prints can be stored in the onboard FLASH memory....
Electronic brick of tilt switch can be connected to analog I/O port and used in tilt sensor for smart car or robot. When the sensor is in the horizontal position, the output is high level; when the sensor rotates counterclockwise to form an angle of more than 15 ° with the horizontal line, the output is low level.
Dotée du wifi et du bluetooth grace à son ESP32, et du LORA en 433mhz cette petite carte de développement est idéale pour tous vos petits projets en mobilité. Elle a même un écran oled et un connecteur de batterie intégré.
This laser pointer or laser pen is a small handheld device with a laser diode emitting a very narrow coherent low-powered laser beam of visible light, it is frequently used in lecture halls and demonstrations to point at topics of interest on a presentation board. In a school setting, they have become ubiquitous, and they are very useful teaching aids....
Module laser rouge de classe IIIa affichant un point rouge. Au-delà de 3 mètres, la luminosité du point rouge diminue.
Output Power: Min 2.5mW, Typical 3.0mW, Max 5.0mW
Working current: Min 10mA, Typical 20mA, Max 25mA
Working voltage: Min 2.3VDC, Typical 4.5VDC, Max 8.0VDC
Working Temperature: Min -15C, Typical 25C, Max 35C
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