Grove

Grove related sensors and boards
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Grove - Water/Rain Sensor (Grove water/rain sensor)
Description:

This sensor works by having a series of exposed traces connected to ground and interlaced between the grounded traces are the sens traces. The sensor traces have a weak pull-up resistor of 1 MΩ. The resistor will pull the sensor trace value high until a drop of water shorts the sensor trace to the grounded trace.

For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your use of the product.

Believe it or not, this circuit will work with the digital I/O pins of your Arduino or you can use it with the analogue pins to detect the amount of water induced contact between the grounded and sensor traces. Suitable to detect rainfall, tank overflow, water leakage.

You can get grove HAT for Raspberry Pi or if you want to use this module with Arduino board, you can get grove shield for Arduino. Also great for the Maker Pico board with grove adapters

Note: Controllers are not included.

Features and specifications:
  • Grove compatible interface
  • Low power consumption
  • 2.0cm x 2.0cm twig module
  • High sensitivity
  • Can be use for rainfall detecting, liquid leakage, tank overflow detector
  • Working Voltage: 4.75V to 5.25V

What's in the box?

1 x water/rain sensor
1 x grove connector
R74.90  Inc VAT
Grove - Relay (Grove relay board)
Description:

The Relay is a digital normally open switch that controls a relay capable of switching much higher voltages and currents than your normal Arduino boards. There is an indicator LED on the board. When set to HIGH, the LED will light up and the relay will close allowing current to flow. The peak voltage capability is 250V at 10 amps.
 
For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your use of the product.

What's in the box?

1 x Relay
1 x Grove connector
R79.90  Inc VAT
Grove - Temperature Sensor (Grove temp sensor)
Description:

Grove - Temperature Sensor uses a thermistor to measure ambient temperature. The resistance of thermistor changes based on ambient temperature. This resistance value alters the output of a voltage divider which is measured by an analog input pin and converted to a temperature value. The operating range is -40 to 125°C , with an accuracy of 1.5°C.

For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your use of the product.

Ready to use with microcontrollers as a digital input. This product also has a compact modular design Plug-and-play grove compatible interface.

Based on the picture above, the grove shield for Arduino is stacked with Seeeduino V4.2. Of course you can use that shield with Arduino board too :)

You can get grove HAT for Raspberry Pi and the Maker Pico board

Features and specifications:

  • Grove compatible interface
  • Arduino library ready
  • Operating voltage: 3.3~5V
  • Zero power resistance: 100 KΩ
  • Resistance Tolerance: ±1%
  • Thermistor: NCP18WF104F03RC (NTC)
  • Nominal B-Constant: 4250 ~ 4299K
  • Operating temperature range: -40°C to 125°C
  • Temperature Accuracy: ± 1.5°C

Packing List:

  • 1 x Grove - Temperature Sensor
  • Grove 4 Pin Buckled 20cm Cable

Resources:

R89.90  Inc VAT
Grove - Ultrasonic Ranger (Grove ultrasonic sensor)
Description:

This Grove-ultrasonic sensor is a non-contact distance measurement module which is compatible with the Grove system. It's designed for easy modular project usage with industrial performance. It can measure from 3cm to 350cm with the accuracy up to 2mm. It is a perfect ultrasonic module for distance measurement, proximity sensors, and ultrasonic detector.

Compared with traditional ultrasonic modules HC-SR04, this module integrates a single-chip microcomputer, and the transmitting signal and the receiving signal share one pin by time division multiplexing, so only one I/O pin is occupied. Another difference is that HC-SR04 only supports 5V voltage, while this module supports 5V and 3.3V. As we know, the Raspberry pi I/O only supports 3.3V. Therefore, this Grove - Ultrasonic Distance Sensor can be directly connected to the I/O of the Raspberry Pi, but HC-SR04 needs to use a voltage conversion circuit.

Features:
  • 3.3V / 5V compatible, wide voltage level: 3.2V~5.2V
  • Only 3 pins needed, save I/O resources
  • Wide measurement range: 3cm ~ 350cm
  • Easy to use: grove connector, plug and play
  • Arduino library ready

Specifications:

  • Operating Voltage: 3.2~5.2V
  • Operating Current: 8mA
  • Ultrasonic Frequency: 40kHz
  • Measuring Range: 3cm to 350cm
  • Resolution: 1cm
  • Measurement Angle: 15 degree
  • Dimensions: 50mm x 25mm x 16mm
For all Grove users (especially beginners), there is guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before you use the product.
 
Documents:
Please visit the wiki page for more info about this product. It will be appreciated if  you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.

Packing List:

  • 1 x Grove - Ultrasonic Ranger
  • Grove 4 Pin Buckled 20cm Cable

Resources:

R99.90  Inc VAT
Grove 4 Pin Buckled to Female Cable (4 Pin Grove to Female)
Description:

Using GROVE system? Grove is a standard by SeeedStudio that defines the foolproof way for sensor and actuator to interface with controller.

This is 20cm universal 4 Pin Buckled Cable with one end terminated with Grove JST connector, while the other end is four female header terminated wires. Color coded accordingly.


Specifications:

  • Suitable for connection from Grove to none Grove interface
  • Grove Standard JST connector to 4 female header terminated wires
  • Length 20 cm, end to end


What's in the box ?


1 x 4 Pin Buckled to Female Cable
R9.90  Inc VAT
Grove All In One Beginner Kit for Arduino (Grove Kit for Arduino)

Description:


Note:
 
This kit comes with the Seeeduino -Lotus, Arduino UNO compatible board.

Note: The All In One Beginner Kit is now compatible with Scratch 3.0 graphical programming and there are 16 FREE lessons :) Check it out.




Here is a Video on getting Started :

YouTube : Easy way to start with Arduino



Learning new things is always difficult, and it's the same for Arduino beginners.  You need to learn hardware knowledge, programming code, need to know connection methods of various complex interfaces, and even need to master welding skills. Tons of things are needed before you actually start learning Arduino programming. Well, we feel your pain, so we carry the Grove Beginner Kit for Arduino® from SeeedStudio, it is one of the simplest ways to get started with Arduino.



Unlike most kits, the Grove Beginner Kit for Arduino is an all-in-one kit, no breadboard, no soldering, even no wiring is needed. The kit cuts all those muss and fuss, aiming to give you the best experience, you only need to focus on coding and Arduino Learning. The kit is powered by one Arduino compatible Board (Seeeduino Lotus) together with 10 additional Grove Arduino sensors all in one piece of the board. 



All the modules have been connected to the Seeeduino(Microcontroller) through the PCB stamp holes so no Grove cables are needed to connect. This is perfect for educational fields where frustrating wiring and soldering is no longer needed.



Of course, you can also take the modules out and use Grove cables to connect the modules. You can build any Arduino project you like with this Grove Beginner Kit For Arduino®.





What is Grove?

Grove makes it easier to connect, experiment, and simplify the prototyping process. No jumpers or soldering required. We have developed more than 300 Grove modules, covering a wide range of applications that can fulfill a variety of needs. Not only are these open hardware, but also have open-source software.

Note: SeeedStudio also prepared example code and software libraries to help you running 12 different demos in just a few lines of code. Check this Wiki to get started now!

Features:

  • Arduino UNO compatible board(ATmega320p based Seeeduino Lotus)  10 most commonly used Arduino modules
  • All modules are pre-wired, no breadboard and jumper cables required
  • 74 pages PDF wiki 12 step by step project tutorials
  • Super friendly to beginner and STEAM education
  • Compatible with over 300 Grove modules

Hardware Overview :


What's in the box?

  • Included in Kit:
    • Grove Beginner Kit For Arduino Board x 1
    • Micro USB Cable x 1
    • Grove Cables x 6
  • Included on the board:
    • Grove - LED x 1
    • Grove - Buzzer x 1
    • Grove - OLED Display 0.96" x 1
    • Grove - Button x 1
    • Grove - Rotary Potentiometer x 1
    • Grove - Light x 1
    • Grove - Sound x 1
    • Grove - Temperature & Humidity Sensor x 1
    • Grove - Air Pressure Sensor x 1
    • Grove - 3-Axis Accelerator x 1
    • Seeeduino Lotus x 1

Resources:


R629.90  Inc VAT
HAT - Grove Base for Raspberry Pi (RPi grove base HAT)
Description:

Today, the grove series of sensors, actuators, and displays have grown into a large family. More and more grove modules will join the whole Grove ecosystem in the future. We see the Grove helps hundreds of thousands of makers, engineers, teachers, students, and even artists to learn, to make, to create... Now we bring you the Grove Base Hat for Raspberry Pi to make the Grove module compatible with more platforms. In another word, we bring the Raspberry Pi the whole Grove System.




The Grove Base Hat for Raspberry Pi provides a Digital/Analog/I2C/PWM/UART port to meet all your needs. With the help of the build-in MCU, a 12-bit  8 channel ADC is also available for Raspberry Pi. Currently, more than 60 groves have supported the Grove Base Hat for Raspberry Pi.

Compared with Grove Pi , the Grove Base Hat for Raspberry Pi does not use the ATMEGA chip for data conversion, so it runs faster. We provide the Raspberry Pi driver for Grove Base Hat for Raspberry Pi. What's more, Grove Base Hat for Raspberry Pi is much more cost-effective. In other words, we lowered the threshold for using the grove series on the Raspberry Pi. We hope you like it, enjoy :D

Pinout:


  • GPIO:
    The same pinout as the raspberry pi.
     
  • PWM(pulse-width modulation):
    The Grove PWM Port connects to GPIO/BCM pin12(PWM0) and GPIO/BCM pin13(PWM1), which is the hardware PWM pin of Raspberry Pi, in addition, you can use all the GPIO pins as the soft PWM pin.
     
  • UART: 
    The Grove UART port connects to the GPIO14(UART0 TX) and GPIO15(UART0 RX). UART is commonly used on the Pi as a convenient way to control it over the GPIO or access the kernel boot messages from the serial console (enabled by default).It can also be used as a way to interface an Arduino, bootload ATmega, ESP8266, etc with your Pi.
     
  • Digital: 
    There are 6 digital Grove sockets in this board, normally the yellow wire(which connect to the top pin of the 4 pins Grove socket as) of Grove cable is the signal wire, so we name the digital Grove port D5/D16/D18/D22/D24/D26.
     
  • Analog: 
    As we know, there is no ADC in the Raspberry Pi, so it can not work with analog sensors directly. Now with the help of the build-in MCU STM32, the Grove base HAT can work as an external 12-bit ADC, which means you can use the analog sensor with your Raspberry Pi. Even more pleasing is that not one but four analog Grove sockets are available.
    The analog sensor inputs the analog voltage into the 12-bit ADC. After the ADC converts the analog data to digital data, it input the digital data to the Raspberry Pi through the I2C interface.
     
  • I2C: 
    There are three I2C ports available in this board, they all connect to the I2C pin of the raspberry directly. You can consider this part as an I2C hub. Most of Seeed's new grove modules have an I2C interface, you may find those I2C three ports are extremely useful.
     
  • SWD: We use the SWD port to burn the firmware to this hat. In addition, you can see 3 GPIO pins in this section, i.e., pin 9/pin 10/pin 11. Those three pins do not use by any Grove port, you are free to use them without worrying about pin conflicts.

Note:

  1. All the silkscreen layer pin number beside the Grove port is the BCM pin number. The difference between BCM pins and the physical pins please refer to here.
  2. Compared with hardware PWM, the software PWM isn't so accurate and will have trouble at high frequencies.
  3. The GPIO/BCM pin18 is also marked as PWM0. The GPIO/BCM 12 and the GPIO/BCM 18 share the same PWM channel, so they can't be set to different rates.
  4. The audio jack output also uses PWM 0 and PWM 1, so you can't have an audio output on that socket and use the PWMs at the same time.
Features and specifications:
  • Support Raspberry Pi 2B, 3B, 3B and 4
  • build-in MCU
  • 12-bit ADC
  • Multi-type Grove port
  • Operating Voltage: 3.3V
  • MCU: STM32/MM32
  • ADC: 12-bit 8 channel
  • Grove Ports:
    • 6 x Digital
    • 4 x Analog
    • 3 x I2C
    • 1 x PWM
    • 1x UART
  • Raspberry pi communication bus: I2C
  • I2C Address: 0x04/0x08

 

Packing list:
  • 1 x HAT - Grove Base for Raspberry Pi


Resources:
R289.90  Inc VAT
Grove Base Kit for Raspberry Pi (grove base kit for pi)
Description:

The Grove Base Kit for Raspberry Pi is one of the best kits for beginners to get started with Raspberry Pi. No troublesome soldering and no complicated wiring. You can focus on learning Raspberry Pi. This kit includes a Grove Base Hat for Raspberry Pi and 10 Grove modules, which covering the sensor, actuator, and display. All you need to do is following the demo, plug the module into the Grove Base Hat, truly plug and play.


On top of that, we have provided you with detailed instructions on the use of Raspberry Pi and the use of each module, which including 8 lessons for the module. Just click the wiki to view the user manual. Also, you can check the video guide here, which will tell you how to use this kit step by step.

All in all, whether you are a student, teacher, artist, hardware enthusiast, and so on, with the help of the Grove Base Kit for Raspberry Pi,  you will get to know Raspberry Pi quickly and comprehensively.

For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your use of the product.

Features:

  • A great kit for Raspberry Pi beginner to get started
  • With Grove modules, no wiring is necessary
  • Plug and Use module
  • Include 10 Grove modules and a Grove base for Raspberry Pi

Now the kit comes with the Grove Base Hat for Raspberry Pi, making Raspberry Pi compatible with the Grove System.

The Grove Base Hat for Raspberry Pi provides Digital/Analog/I2C/PWM/UART port to meet all your needs. With the help of build-in MCU, a 12-bit 8 channel ADC is also available for Raspberry Pi.


Grove Base HAT Features:


Packing List:

  • 1 x Grove Base Hat for Raspberry Pi
  • 1 x Grove - Red LED Button
  • 1 x Grove - Buzzer
  • 1 x Grove - Moisture Sensor
  • 1 x Grove - Temperature & Humidity Sensor (DHT11)
  • 1 x Grove - Light Sensor
  • 1 x Grove - mini PIR motion sensor
  • 1 x Grove - Ultrasonic Ranger
  • 1 x Grove - Relay
  • 1 x Grove - Servo
  • 1 x Grove - 16 x 2 LCD (White on Blue)

Resources:

R799.90  Inc VAT
Grove Maker Soil Moisture Sensor (Capacitive) (maker soil moisture)

Description:


Maker Soil Moisture Sensor measures soil moisture by capacitive sensing, where the presence of water in the soil will increase the probe capacitance. The output of the sensor is analog output; higher moisture levels will produce lower output voltage. Being part of the Maker Seriesthe sensor is equipped with many features to further simplify digital making for beginners and experts alike.



The Maker Soil Moisture Sensor is easy to use. It only needs a power supply, if the LED indicators alone are enough for your application. Make sure that the voltage level of the power supply is within the sensor specifications. Note that the LED indicators only indicate approximate moisture levels and might fluctuate depending on the power supply, since the sensor does not have a voltage regulator on board.




Full Tutorial: Battery Powered Maker Soil Moisture Sensor


Maker Soil Moisture Sensor can also be used with microcontrollers to build more complex projects like smart gardens and self-watering systems. The analog output voltage of the sensor is used for these applications. Furthermore, the sensor also has a disable pin for power saving applications. Sending HIGH signal to the disable pin will disable the sensor.





Full Tutorial: Self Watering Pot Featuring Maker Soil Moisture Sensor


It is important to note that this sensor can only qualitatively test the humidity of the soil and cannot measure quantitatively. Which means when the humidity of the soil rises, the value of the output decreases; conversely, when the humidity decreases, the output value becomes higher.

Features:

  • Operating Voltage: 2.5V - 7.0V.

  • Output: Analog Voltage (Higher moisture = lower voltage)

  • Grove port.

  • LED indicators for dry/moist/wet soil moisture levels.

  • Soil Limit (Maximum depth of the probe)

  • Double-sided probe (More sensitive to moisture changes)

  • Capacitive sensing probe (Corrosion resistant)

  • Disable pin (Power-saving application)

 

Example Applications:

  • Soil moisture detection

  • Automatic Plant Watering System

  • Smart/IoT Gardens



Resources:


What's in the box?

1 x Sensor
1 x 50 cm Grove cable
R99.90  Inc VAT
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