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QX9920 ICS-565 Buck Type High Power LED Deiver Wide Range Input Voltage -2.5 v to 100 v -
This is an optical bio-metric fingerprint reader/sensor (R305) module with TTL UART interface for direct connections to a microcontroller UART. The user can store the finger print data in the module and can configure it in 1:1 or 1: N mode for identifying the person. This module can directly interface with any 3.3V or 5V microcontrollers, but a suitable level converter/serial adapter is required for interfacing with the serial port of a PC. -
Supply voltage: DC 4.2 6.0V / Working current: 50mA (typical) /Peak current: 80mA Fingerprint image input time: <0.3 seconds /Window area: 14×18 mm Matching mode:1: 1 and 1:N / Characteristic file size: 256 bytes / Template size: 512 bytes / Storag# Image shown is a representation only #
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The operating voltage is 3.3V High sensitivity: as low as-129dBm Support FSK, GFSK, and LoRa® modulation mode# Image shown is a representation only #
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The rain sensor module is an easy tool for rain detection. It can be used as a switch when raindrop falls through the raining board and also for measuring rainfall intensity. The module features, a rain board and the control board that is separate for more convenience, power indicator LED and an adjustable sensitivity though a potentiometer. The analog output is used in detection of drops in the amount of rainfall. Connected to 5V power supply, the LED will turn on when induction board has no rain drop, and DO output is high. When dropping a little amount water, DO output is low, the switch indicator will turn on. Brush off the water droplets, and when restored to the initial state, outputs high level. -
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Raspberry Pi / Arduino Uno R4/R3/UNO Mega 2560/400/830 Points Breadboard Platform E-937 Compatibility: Compatible with Raspberry Pi 5/4B/3B+/3B/2B/B+, Arduino Uno, Mega2560, also support both 400 points breadboard and 830 points breadboard Access to All Consumer Ports: TF card, HDMI and USB cords, very convenient for your DIY projects Portable, easy to move, carry, this RAB holder is stable to fixed on the table for your needs. With 4pcs rubber feet to stick at the bottom for non-slip purpose Excellent tool in education and DIY project for Raspberry Pi and Arduino UNO Mega 2560
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