A set of 5 modules with a button and LED backlight. The boards are equipped with a Gravity connector and have a digital output. The LED backlight turns on when the button is pressed and the module is powered with the voltage of 3.3 V or 5 V. Full documentation with examples of use is available on the product Wiki page.
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Switch module with an interlock. DFRobot DFR0423
Board with ATmega1280 microcontroller from the AVR family, the user has 54 I/O lines, 14 PWM channels, 16 analog inputs. DFRobot DFR0003
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Educational micro:bit module with 32-bit ARM Cortex-M4 microcontroller. Manufactured to interest the youngest in computer engineering. SparkFun DEV-17287
A set of 5 modules with a bistable button and LED backlight. The boards are equipped with a Gravity connector and communicate via a digital interface. DFRobot DFR0789
Module with an analog light sensor. It consists of a photoresistor and a LED. Equipped with a Gravity connector. DFRobot DFR0022
Module with a potentiometer with a rotation range of 300°. Equipped with a connector compatible with the Gravity standard. DFRobot DFR0054
Module with a buzzer (without generator) controlled by a digital interface. It allows you to generate simple sounds by changing the frequency of the control signal. DFRobot DFR0032
Module with a button, LED diode and a yellow cap. DFRobot DFR0029-Y
Module with a button, LED diode and a white cap. DFRobot DFR0029-W
Module with a button, LED diode and a green cap. DFRobot DFR0029-G
Module with a button, LED diode and a red cap. DFRobot DFR0029-R
Module with an analog AC current sensor in a set with a probe for non-contact measurement of alternating current with a current of up to 5A. DFRobot SEN0287
The infrared distance sensor enables the detection of objects in the range from 3 to 50cm. The sensor has a digital output, the detection threshold is adjusted by a potentiometer. DFRobot SEN0164
Keyboard module with five colored buttons. The board is equipped with a Gravity connector and has an analog output. Powered with the voltage of 3.3 V or 5 V. DFRobot DFR0075
Module with the MQ3 analog alcohol sensor. It enables gas detection and construction of a simple breathalyzer. The module is powered by 5 V and has an analog output. DFRobot SEN0128
Module with an analog TEMT6000 light intensity sensor. The voltage at the output is linearly correlated with the intensity of the incident light. The module is supplied with the voltage from 3.3 to 5V. DFRobot SEN0043
Module with an analog MQ7 carbon monoxide sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0132
Module with an analog MQ4 methane sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0129
Module with an analog sensor of carbon monoxide and combustible gases (methane, propane) MQ9. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0134
Module with an analog MQ2 gas sensor. It enables the detection of LPG, butane, propane, methane, alcohol, hydrogen and smoke. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0127
A set of 5 modules with a button and LED backlight. The boards are equipped with a Gravity connector and communicate via a digital interface. DFRobot DFR0785