The control panel is a key component in most industrial and automotive applications. As control complexity increases, and depending on external conditions (including environmental), a traditional control panel interface equipped with buttons and switches may prove to be insufficient, and further hinder the control of a specific process. One of the solutions to this problem is the use of non-contact sensors responding to operator gestures. In this role, the Grove sensor modules, which respond to human movement and gesture, are a perfect solution.
Grove - distance sensors
Grove - ultrasonic distance sensor 3-350cm
Ultrasonic sensor operating in the range from 3 cm to 350 cm. It is powered with voltage of 5 V. The output is a signal, duration of which is proportional to the measured...Grove - mini PIR motion sensor
The motion sensor, type PIR with the interface compatible with the Grove series. The object detection is indicated digitally - through the high status on SIG pin. The range of...Grove - IR receiver 38kHz 940nm
IR receiver from Grove , operating at a frequency of 38 kHz with a supply voltage from 3.3 V to 5.0 V. Maximum sensitivity is observed for the wave length of 940 nm.Grove - gesture sensor PAJ7620U2 - 5V I2C
Module from the Grove series, is equipped with a gesture sensor PAJ7620U2 with I2C interface. It can recognize 9 basic gestures. It is powered with the voltage of 5 V. It has a...Grove - RS-06WD reflectance sensor v1.1
Module from the Grove is equipped with the reflective sensor RS-06WD. It consists of LED emitting the infrared light and phototransistor of high sensitivity. It is supplied...Grove - digital PIR motion sensor - Seeedstudio 101020793
PIR sensor for motion detection using IR diodes. It allows to generate low or high state at the output. It does not require Arduino library for proper operation. It detects...Grove - VL53L0X Time of Flight - distance sensor - I2C
The VL53L0X laser distance sensor measures with Time of Flight technology. It is equipped with a diode emitting a 940 nm long beam. It can measure distances from 3 cm to 100 cm...Grove - RPR-220 reflectance sensor v1.2
Module from the Grove series is based on a reflective sensor RPR-220. It consists of LED emitting the infrared light and phototransistor of high sensitivity. It is supplied...Grove - ITR9909 reflectance sensor v1.2
Module from the Grove series is based on a reflective sensor ITR9909. It consists of LED emitting the infrared light and phototransistor of high sensitivity. It is supplied...Grove - Doppler Radar - BGT24LTR11 - 24GHz transceiver - 10m - Seeedstudio 109020021
Doppler radar based on BGT24LTR11 chip and XMC1302 controller with ARM Cortex-M0 processor. It allows for precise distance measurements and motion detection using radar...See also
- Grove - starter kits
- Grove - base hats
- Grove - accelerometers and gyroscopes
- Grove - actuators
- Grove - gas & dust sensors
- Grove - medical sensors
- Grove - current sensors
- Grove - weather sensors
- Grove - force sensors and limit switchers
- Grove - light and colour sensors
- Grove - LED
- Grove - sensors and potentiometers
- Grove - converters
- Grove - communication modules
- Grove - sound modules
- Grove - relays
- Grove - cables
- Grove - buttons, keys and joysticks
- Grove - motor drivers
- Grove - displays
- Grove - covers and accessories
Universal application for contactless control
The first implementations of sensor devices for non-contact control, were used to detect an object approaching toward the sensor and in response send a trigger signal to start the appropriate process. Automatic gates, soap dispensers, porch lighting on building structures, hand dryers, or car parking assist devices all use contactless sensors as an input source. For this purpose, they use distance sensors, which resemble two-state switches from the wiring diagram, and gesture sensors, which recognize an operator's gestural movements in three dimensions and thus enable objects to be controlled in an intuitive way. Gesture control also allows the user to match the response of the controlled object to the range of motion seen by the sensor. This is one of the key features in video game systems.
Gesture recognition using infrared sensors
Non-contact control systems in sophisticated video game consoles, use lasers and special cameras to record the player's movements. With the ability to detect a variety of simple movements, simple motion sensors have found applications in consumer electronics, electric musical instruments, and automotive applications. For example, changing a radio station in a non-contact manner will require a swipe of the hand to the left or right, within the sensor's field of view. Adjusting the volume can be done by moving your hand closer or further away from the sensor. In such applications, among others, the most technically and economically advantageous solution is the use of infrared (IR) light sensors. In one of the simplest approaches, IR sensors consist of two infrared light emitting diodes (emitter) and an infrared receiver placed between them. The radiation coming from the IR emitter, typically has a highly directional characteristic. When you wave your hand in front of the IR emitter, the infrared light reflected by the IR receiver will change in intensity proportional to the movement you make - for example, if you move your hand from the left to the right side of the sensor, the amplitude of the signal from the IR emitter will increase, and similarly in the opposite direction of hand movement. Then, the IR sensor sends a signal to the microcontroller which, by means of the uploaded program, analyzes the input data in terms of the speed of the gesture and its type and direction, and then, depending on these factors, sends control signals to the appropriate output devices.