The Gravity series modules from DFRobot company, are an excellent solution for embedded systems used in automation, buildings, robots, industrial, and monitoring of environmental parameters of the environment. The Gravity series is especially recommended for prototyping devices. From the modules Gravity in the range of Botland store, you will find a pH meter factor, gas sensors, flow meters electricity meters, and more that will allow You to develop Your applications according to Your imagination of the designer.
Shield for Arduino, which extends the I/O pis capabilities. It has i.a. led out each pin with a pair for power supply, possibility to turn on the voltage converter of 3.3 V, a separate connector for I2C, SPI interfaces, and a slot for XBee modules.
Micro:mate is a small expansion board of I/O for micro:bit for learning the electronics and building the projects. Board has 6 rows of 3-pin interfaces of I/O, thanks to which you can connect the modules from the Gravity series, servos, sensors and wires. Supply voltage is from 3.3 V to 5 V.
Set consisting of 37 elements with a connector of Gravity. The set consists of.m.in a color sensor, a pulse sensor, LED display, RGB, speaker, module, engine, vibration and a host of other items. All modules have built-in Gravity, which facilitates their connection to the corresponding mark.
Module with relay that allows for the control of the actuators consuming the current of up to 12 A for the voltage of 125 V or 10 A for 277 V through the ports of the microcontroller. The kit includes a cable adapted to DFRobot IO Expansion Shield.
Starter set introducing the world of Arduino programming. It allows for the construction of more than a dozen of projects using Arduino and i.a.: servos, LEDs, distance and sound sensor, buzzer and many other elements. Set gives knowledge and develops creativity.
The DFRobot module is equipped with a sensor of humidity, temperature and pressure, powered with the voltage from 3.3 V to 5 V with the I2C and SPI interface. Measuring range: temperature: -40 °C to 85 °C, humidity: 0 %RH to 100 %RH, pressure: from 300 hPa to 1100 hPa.
The device allows to measure the salinity of water and soils by studying the reverse of resistance which is the conductance. Conductivity of water can reflect the level of electrolytes in it. Depending on their concentration, the conductivity of the water solution differs.
Sensor / pH meter analog output. Allows you to measure water quality. Has an accuracy of +/- 0.1 pH, which is sufficient in most cases. Equipped with led, BNC connector and PH2 interface.0, the set includes 4 pH buffer solutions.
The device allows to measure the salinity of water and soils by studying the inverse of resistance, which is conductance. Conductivity of water can reflect the level of electrolytes in her present. Depending on their concentration, the conductivity of the aqueous solution are different. Became of electrodes K equal to 10.
Starter kit for minikomputera micro:bit. Allows you to create simple projects IoT novice users. The kit includes items such as: tile BBC micro:bit extension Board micro:mate, the wi-fi module Obloq, the soil moisture sensor, temperature sensor, motion sensor, relay, speaker, sound sensor and servo.
The sensor on the basis of the layout Vishay VEML6075 to detect the range of light UV RAYS like UVA and UVB rays with a resolution of 16-bits. The module converts the intensity of the UV light on digital output. The measuring range for UVB ranges from 315 nm to 340 nm, and UVA from 350 nm to 375 nm. Voltage supply from 3.3 V to 5 V.
Shield for Arduino, which extends the capabillities of pins of the I/O. It has, i.a. led out each pin with a pair of power. It has 36 pins, including 14 digital pins, 6 analog pins and 16 pins of I2C. It facilitates the connection of sensors from Gravity series.
Based on the system PAJ7620U2 gesture sensor allows recognition of up to 13 different gesturing with a movement of the palm at a distance of up to 20 cm. The module communicates using popular interface I2C. Is supplied with the voltage of 3.3 V or 5 V.
The module is based on the single-wire 8002 amplifier with digital interface. It can work as a simple buzzer or play music. The volume is adjustable with built in potentiometer. The supply voltage ranges from 2 V to 5.5 V.
Digital sensor of tracking the line, reflective for Arduino, it can detect the white and black lines. Separate signals provides a stable output signal TTL, so it looks for more accurate and more stable line. The sensor is powered with the voltage from 3.3 V to 5 V. The best distance between the sensor and the surface is 1-2 cm.
Analog ambient light sensor TEMT6000, compatible with Arduino. The sensor allows to determine the light density and reflects the analog voltage signal back to Arduino. The range of the light ranges from 1 Lux to 1000 Lux. Supply voltage is from 3.3 V to 5 V.
The sensor is used to detect fire. It is powered with the voltage from 3.3 V to 5.3 V. The range of the sensed wave: from 760 nm to 1100 nm. The output is an analog voltage. The device operates in temperatures from -25 °C to 85 °C.
Analog grey sensor which is able to measure the light intensity from black to white. Scale of gray is also defined as black and white, with the darkest shade of gray as black and with the brightest, as white. Working voltage is from 3.3 V to 5 V.
A series of Gravity are high-quality electronic modules open source, the design of which the connectors are compatible for Arduino and Raspberry Pi. The broad expansion options, high functionality and detailed and clear documentation to ensure easy, quick installation, start-up and development projects. Standard interface “plug and play” with the colored markings of the insights allows you to easily and quickly combine the modules without soldering. In the case of reverse connection will not damage the module, so that the decision from the Gravity are friendly for beginning house masters and allow an uninterrupted study of electronics through trial and error.
Module of Gravity, proposed in the store, Botland, allows You to build, in particular, advanced monitoring station environmental conditions such as moisture, temperature, pH, salinity, dust concentration and gas pressure, fluid level, sound pressure, light intensity, and using sensor Lightning Sensor - detect lightning discharges at a distance of up to 40km. Regardless of Your level of experience in embedded systems, for beginning adventures with a series of Gravity should take a set DFR001, in which you'll find 9 different sensor modules with wires connecting the interfaces by which you will be able to in a quick and easy way to expand the possibilities of your project.