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The most popular electronic locks are controlled from the keypad - entering the appropriate password will block or unblock the protected circuit. Much more comfortable and that is why contactless locks are becoming more and more popular. They operate based on the RFID system, in which there are no contact elements (keyboards), and the keys are special transponders in the form of cards or key rings. The code is read out wirelessly using radio waves. Such keys require only the proximity of the receiving antenna of the lock. It is also interesting that transponders do not require battery power, because energy is also supplied to them wirelessly.
The device is particularly recommended in alarm and surveillance systems
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Adafruit 1697 - Bluefruit LE - Bluetooth Low Energy (BLE 4.0) - nRF8001 Breakout - v1.0
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No product available!
No product available!
No product available!
Development kit with Leon Instruments AVR ATxmega128A3U microcontroller. Full set. Opportunity to cooperate with Arduino shields.
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Development kit with Leon Instruments AVR ATxmega128A3U microcontroller. Set in the SMD version - lack of some through-hole components. Opportunity to cooperate with Arduino shields.
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VL6180X explorer kit, STM32 F401RE nucleo board and VL6180X expansion board, STM
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TFT display module 3.2 with touchpanel and SD card slot, 40-pin
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Graphic display 128x32; 67.5x25.2mm, type: COG, FFSTN Negative, Transmissive, 3.3V UC1601, RGB backlight
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No product available!
No product available!
No product available!
TFT 2.8 "display module, touch panel, four buttons, dedicated to Raspberry Pi, RoHS
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The ultrasonic distance sensor modUS-015 is based on the analysis of the delay of reflection of the ultrasonic wave from the obstacle - the range of the sensor from 2 to 400 cm with an accuracy of 0.3 cm + 1%
No product available!