DFRobot

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US$14.33
The TEL0146 is a self-powered wireless switch. It uses the kinetic energy of the press into electrical energy that is then stored and used to transmit the required signals.
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US$15.24
The SEN0502 is a rotary encoder switch. This encoder is able to send 20 pulses per revolution.
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US$45.45
The DFR0920 is a Block Shield for the Arduino. It contained several inputs and outputs for the microcontroller which will help you cable manage any of your projects, loose inputs will never be an issue again
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US$58.92
The DFR0921 is the ULTIMATE block shield for the Arduino. It contained several inputs and outputs for the Arduino Mega which will help you manage any of your projects, loose inputs will never be an issue again.
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US$17.97
The STM32F411CEU6 is a development board offering high-speed embedded memory and an extensive range of I/Os. It is geared towards people with STM32 development experience.
 
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US$35.26
The SEN0518 is a heart rate and blood oxygen sensor module that integrates the Maxim MAX30102 chip and an MCU with heart rate and blood oxygen algorithms.
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US$9.05
The SEN0435 is one of the more accurate temperature sensing options, with a typical accuracy of ±0.25°C and maximum accuracy of ±0.5°C over the sensor's -40°C to +125°C range and precision of +0.0625°C.
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US$14.42
The SEN0434 is a temperature sensor from Sensirion. It gives a fully calibrated, linearized, and supply-voltage-compensated digital output and has an outstanding accuracy of up to +/–0.1°C.
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US$12.51
The DFR0868 is a controller based on ESP32-C3 RISC-V 32bit single-core processor.  It's mainly intended for IoT applications.
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US$4.50
The FIT0893 is a 1-in-3 out wire clamp/connector. From one single output, you can make 3 safely and efficiently.
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US$5.41
The FIT0894 is a 1-in-6 out wire clamp/connector. From one single output, you can make 6 safely and efficiently.
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US$10.87
The FIT0897 is a 10 pack of high-quality 30cm analog sensor cable is equipped with 3-pin PH2.0 plug connector on one side and a Dupont male connector on the other side
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US$12.69
The FIT0898 is a 10 pack of high-quality 30cm digital sensor cables. They're equipped with a 4 pin PH2.0 plug connector on one side and a Dupont male connector on the other.
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US$10.87
The FIT0896 is a 10 pack of high-quality 30cm digital sensor cables. They're equipped with a 3 pin PH2.0 plug connector on one side and a Dupont male connector on the other.
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US$23.25
The SEN0429 is a time-of-flight (ToF) distance-ranging sensor that uses the time difference between light pulses to measure distance. It provides single-zone detection of an object irrespective of the colour, reflectivity and texture of the object.
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