Products 13-24 of 24
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Gravity: Digital Self-Locking Switch Digital, Self-Locking, Switch, button, locking, dfrobot
Price: $1.90
Availability: In Stock
Item #: DF-DFR0423 -

    This module is a Digital Self-Locking Switch. Press the button to turn it to the "on" state and press it again to turn it to the "off" state. The board has immersion gold plating and is compatible with the 3-pin interface making it easy to connect to a RobotGeek Sensor Shield

    Gravity: DHT11 Temperature and Humidity Sensor DHT11, Temperature, Humidity, environment, Sensor
    Price: $5.20
    Availability: In Stock
    Item #: DF-DFR0067 -

      This DHT11 Temperature and Humidity Sensor is powerful and easy to use! The DHT11 has a full range temperature compensation, low power consumption, long term stability and calibrated digital signal. A high-performance 8-bit microcontroller is integrated in the sensor with calibration-coefficient saved in OTP memory to provide accurate temperature readings. Reliable and inexpensive with plenty of documentation and projects online. Features: Standard assembling structure (two 3mm holes with...

      Crash sensor (Left) Crash, bump, nudge, roller switch, sensor, Left
      Price: $2.90
      Availability: In Stock
      Item #: DF-SEN0138-L -

        The Crash sensor (Left) is a miniature snap-action switch, also trademarked and frequently known as a micro switch. It is an electric switch that is actuated by very little physical force. Micro switches are very widely used; among their applications are appliances, machinery, industrial controls, vehicles, and many other places for control of electrical circuits. They are usually rated to carry current in control circuits only, although some switches can be directly used to control small...

        Crash sensor (Right) Crash, bump, nudge, roller switch, sensor, Right
        Price: $2.90
        Availability: In Stock
        Item #: DF-SEN0138-R -

          The Crash sensor (Right) is a miniature snap-action switch, also trademarked and frequently known as a micro switch. It is an electric switch that is actuated by very little physical force. Micro switches are very widely used; among their applications are appliances, machinery, industrial controls, vehicles, and many other places for control of electrical circuits. They are usually rated to carry current in control circuits only, although some switches can be directly used to control small...

          Gravity: Analog Flame Sensor Analog, Flame, fire, light, Sensor, input, environmental, dfrobot
          Price: $4.00
          Availability: In Stock
          Item #: DF-DFR0076 -

            The Analog Flame Sensor can be used to detect fire or other light at wavelengths of 760nm ~ 1100nm. In a fire-fighting robot competition, this sensor can be used as the robot's eyes to find the fire's source. It can be used for fire-fighting robots, soccer robots, or a stationary system designed to detect fire. The flame sensor has a probe angle of 60 degrees. The flame sensor's operating temperature is -25 degrees Celsius to 85 degrees Celsius. It should be noted that the probe distance from...

            Gravity: Digital Line Tracking Sensor Digital Line Tracking Sensor
            Price: $5.90
            Availability: In Stock
            Item #: DF-SEN0017 -

              Line tracking is the most basic function of a smart mobile robot. It is one of the easiest ways for a robot to successfully and accurately navigate. The Digital Line Tracking Sensor will guide your robot by telling white from black quickly and accurately, via TTL signal. With a drawn path and good programming, you can ensure results that are far more consistent than if the robot was simply told where to go without any reference. You can combine several line following sensors with other ranged...

              LED Voltage Meter (Red) Voltmeter, LED, Voltage, Meter, Red, voltimeter, dfrobot
              Price: $6.80
              Availability: In Stock
              Item #: DF-DFR0130-R -

                This is a standalone DC Voltmeter. It measures 3V-30V with ±1% accuracy. Best suited for battery level display. Just apply two wires on the power without any extra circuitry or components, it gives the reading straight away. Easy to use, and is a good companion to robotic applications.

                2A Dual Motor Controller Motor, Driver, 2A, Dual, Controller
                Price: $17.05
                Availability: In Stock
                Item #: DF-DRI0002 -

                  This is a 4.8-46V, 2A Dual Motor Controller which is the revised version of the DF-MDV1.0. Its performance has been improved greatly. It can bear larger current due to the increased heatsink dissipation. It is easy to control, using LGS's outstanding high-power motor driver chip, the L298N. This chip allows for direct drive of two bi-directional DC motors, and incorporates high-speed short diodes for protection. Drive current up to 2A per motor output. The driver uses a broad-brush design to...

                  XSP - Arduino Programmer (XBee, FTDI, ISP) XSP, Arduino, Programmer, uart, uartsbee, XBee, FTDI, ISP
                  Price: $15.50
                  Availability: In Stock
                  Item #: DF-DFR0360 -

                    TheXSP - Arduino Programmer (XBee, FTDI, ISP) is designed for Arduino/AVR devices. It is a driver free programmer, supporting Arduino/AVR ISP and FTDI programming. It can provide both 5V and 3.3V power output or self-adaption power output (OFF mode). Supports Xbee socket and auto-matches ISP clock frequency. Convenient and easy to use! Features: Multi-function Supports Arduino/AVR ISP programming Supports Arduino FTDI programming Supports serial port communication Flexible Power Management...

                    1.3" OLED Module OLED, led, screen, display, 1.3, inch, small, Module, output, dfrobot
                    Price: $15.90
                    Availability: In Stock
                    Item #: DF-DFR0377 -

                      The 1.3" OLED Module is a fantastic screen for your next project! With a resolution of 128x64, it is suitable for applications displaying text, images, and more! What is OLED? OLED (Organic Light-Emitting Diode) is a self light-emitting technology composed of a thin- multi-layered organic film placed between an anode and cathode. In contrast to LCD technology- OLED does not require a backlight. OLED possesses high application potential for virtually all types of displays and is regarded as the...

                      Gravity: Analog UV Sensor V2 Analog, UV, Sensor, V2, dfrobot
                      Price: $5.90
                      Availability: In Stock
                      Item #: DF-SEN0162 -

                        The Analog UV Sensor V2 with GUVA-S12SD chip is suitable for detecting the UV radiation in sunlight. It can be used in UV Index Monitoring, DIY project, UV-A Lamp Monitoring, Plants growing, Environmental monitoring, etc. It can detect the UV wavelength of 200-370nm with a quick response, linear analog voltage signal output. Small size, easy to install. With the diagram of the world health organization UV index grading standards, you can know the UV index from the sensor directly....

                        Fingerprint Sensor Fingerprint, finger, print, scanner, Sensor, reader, dfrobot, laser, input
                        Price: $34.90
                        Availability: In Stock
                        Item #: DF-SEN0188 -

                          This is an Arduino compatible Fingerprint Sensor. With the high speed DSP processor, it could also work with other serial devices, such as MSP430, 51, AVR, PIC, STM32, ARM and FPGA. This fingerprint module can work alone without any principal computer or any PC software. It can store up to 1000 fingerprints. Supports fingerprint entry, intelligent image processing, fingerprint comparison and fingerprint search mode. It also has a high sensitivity to both wet and dry fingerprint recognition....