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。Description。Thermocouples are very sensitive， requiring a good amplifier with a cold - compensation reference. The Grove - Temperature Sensor USES a K type thermocouple Temperature detection， with a Thermistor to detect The ambient Temperature as Temperature compensation. The detectable range of this Sensor is -50-600℃ ， and The accuracy is ±(2.0% + 2℃).。Specifications。Voltage：3.3 ～ 5V。Max power rating at 25℃：300mW。Operating temperature range：-40 ～ +125 ℃。The temperature measurement range is(-50 ～ +600℃)。Amplifier output voltage range(0 ～ 3.3 V)mv。Cold junction compensation(environment temperature measurement)。Thermocouple temperature measurement accuracy of + / - 2.0%(+ 2 ℃)。Package Include：Grove - High Temperature Sensor x1。Thermocouple Temperature Sensor x1。24AWG Grove Cable - 4P-4P-2.0-200mm x1

。GDD-FAN1 is specially designed for many of Gicren's devices when the power dissipation is large. It integrates two JST-PH2.0-9Pin connectors which are distinguished by the name of "Upstream" and "Downstream"(Warning：the differences between them are marked on the silkscreen).

The Grove Mini I2C motor driver is a very tiny motor driver with I2C interface、and it includes two motor driver chips - DRV8830、which helps you control two DC motors or winding of stepper motors on a small board simultaneously.。With four solderable pads back of the board、you can change the I2C address of each motor driver easily. Especially、with the onboard protection circuit、the max limitation current of each channel can be adjusted from 0.2A to 1A、you can set a proper limitation current according to the load.。It can be used for battery-powered toys、printers、and other low-voltage or battery-powered motion control applications due to the features.。Also、Grove Mini I2C motor driver is belong to Grove System、you can plug it onto the Base shield and work with Arduino directly without any jumper wires.。Features：Tiny driver board。Two motor driver channels。Working Voltage：2.75v 6.8v。Changeable max limitation current。Grove compatible。I2C interface。Easy to use

Mega Shield is a extension board for Arduino Mega and Google ADK. We have standardized all the connectors into 4 pins(Signal 1、Singal 2、VCC and GND)2mm connectors and keep some of the 3pin(Signal、VCC and GND)2.54mm headers for Servo and Electronic Bricks、

Description。This is a multifunctional sensor that gives you temperature and relative humidity information at the same time. It utilizes a TH02 sensor that can meet measurement needs of general purposes. It provides reliable readings when environment hu

I2C_LCD is an easy-to-use display module、It can make display easier. Using it can reduce the difficulty of make、so that makers can focus on the core of the work.。We developed the Arduino library for I2C_LCD、user just need a few lines of the code can achieve complex graphics and text display features.。More than that、we also develop the dedicated picture data convert software(bitmap converter)，now is available to support PC platform of windows、Linux、Mac OS. Through the bitmap convert software you can put your favorite picture displayed on I2C_LCD、without the need for complex programming.。Features：Only 2 Arduino pins are occupied(Use I2C interface).。Arduino library supported、use a line of code to complete the display.。168 ASCII characters can be displayed.。128X64 dual color picture can be displayed.。Provide dedicated picture data convert software(Bitmap Converter).。Adjustable backlight brightness and contrast.。Support modify device address、can support 127 modules work in parallel.。Convenient Grove interface.。China style unique appearance.。Part List：1×I2C_LCD。1×Grove - Universal 4 Pin Buckled 12cm Cable。Dimension

Grove Base Shield for Photon is an expansion board which incorporated the standard Grove interfaces to let you build more powerful and intelligent applications with richer and cost-effective Grove functional modules. It gets three digital ports、two analog ports、two I2C ports and one UART port. It's a plug-and-play shield designed to accelerate prototyping dramatically.。Features。Compatible with Photon。Standard Grove interfaces to connect to a large family of Grove sensors and actuators。I2C、UART ports integrated。Specification。Grove Ports：3 digital ports、2 analog ports、2 I2C ports and 1 UART port.。Dimensions：53×53 mm。Weight：18g

Espruino is a small computer that anyone can use to control things around them. Its JavaScript interpreter gives you instant feedback so that you can experiment and develop whatever your level of experience. Even if you've never written code before、you can still use the graphical code editor to write programs without typing a single word!。Features：Works on Windows、Linux、MacOS and Android(via Bluetooth or USB OTG)。Less than half the size of a business card just 54mm×41mm。Using the popular JavaScript language、Espruino supports Strings、Maps、Objects、and Dynamic Arrays right out of the box!。72Mhz ARM microcontroller with 256KB of Flash memory and 48KB of RAM。Micro USB connector、Micro SD card connector、and a JST Battery connector with a wide input voltage range of 3.6v to 15v。Red、Green and Blue LEDs、with 2 pushbuttons(one of which is reset by default)。Solder an HC-05 Bluetooth module(not included)directly onto the board and program and debug Espruino wirelessly!。44 GPIO pins on a 0.1''pin spacing、with 26 PWM pins、16 ADC pins、5 USARTs、3 SPI、2 I2C and 2 DACs。Power Consumption：35mA run、12mA sleep、<0.05mA in deep sleep。Prototype area which can be used for servo headers、wireless modules and SOIC surface mount parts such as motor drivers。Built in drivers for the TI CC3000 WiFi and WIZnet W5500 Ethernet modules(not included)、as well as a graphics library with vector font Open Source software and hardware。Espruino Website with full documentation、many tutorials、and an active forum。CE and RoHS Compliant。On-chip RTC with external 32kHz Oscillato

GestureR is a single tiny module that includes Gesture Sensing、Proximity Sensing、and Ambient Light Sensing、they brings you to your DIY devices、with one of the latest technologies in advanced smartphones !。Features：GestureR can communicate with any Arduino Host or other microcontrollers through I2C interface. Sample codes for most of the useful functions in Arduino format are available.。Gesture Sensing：GestureR can distinguish your gesture in 4 directions in 3 different speeds.。Proximity Sensing：GestureR can sense the distance of an object up to 10cm from the sensor.。Ambient Light Sensing：GestureR can measure three level of ambient light.。Applications。Gesture controlled control products such as AC Power； Appliance and lighting control.。GestureR + Relay Shields = Touchless Power Switch。GestureR + IR Controller Shields = Smart Remote。GestureR + LED Panel Shields = Smart Lamp。Controller in hygiene environments

GestureR is a single tiny module that includes Gesture Sensing、Proximity Sensing、and Ambient Light Sensing、they brings you to your DIY devices、with one of the latest technologies in advanced smartphones !。Features：GestureR can communicate with any Arduino Host or other microcontrollers through I2C interface. Sample codes for most of the useful functions in Arduino format are available.。Gesture Sensing：GestureR can distinguish your gesture in 4 directions in 3 different speeds.。Proximity Sensing：GestureR can sense the distance of an object up to 10cm from the sensor.。Ambient Light Sensing：GestureR can measure three level of ambient light.。Applications。Gesture controlled control products such as AC Power； Appliance and lighting control.。GestureR + Relay Shields = Touchless Power Switch。GestureR + IR Controller Shields = Smart Remote。GestureR + LED Panel Shields = Smart Lamp。Controller in hygiene environments

2WD Arduino compatible mobile robot development platform。2 high-quality micro-speed motor。Tough aluminium body with mounting holes。Variety of sensors can be added。This a well designed、Arduino compatible mobile robot development platform、you

Espruino Pico is a tiny microcontroller board that runs JavaScript(it doesn't need to be plugged into a computer)、making it easier than ever to control electronics in the real world. You can program it with nothing but a serial terminal program、but there's also an IDE that runs in the Chrome Web browser. It's got a syntax highlighted editor as well as a graphical programming language.。Once you have uploaded code、you can inspect and change variables(including functions)while your program is running. If you make something with an Espruino Pico and need to change it a year later、your original code is still there waiting for you!。This is unpinned version、if you want pre-soldered pins、please visit Espruino Pico(pinned).。Features：33mm×15mm(1.3×0.6 inch)。22 GPIO pins：9 Analogs inputs、21 PWM、2 Serial、3 SPI、3 I2C。All GPIO is 5 volt tolerant(Arduino compatible)。2 rows of 9 0.1" pins、with a third 0.05" row of 8 pins on the end。On-board USB Type A connector。Two on-board LEDs and one button.。STM32F401CDU6 CPU - ARM Cortex M4、384kb flash、96kb RAM。On-board 3.3v 250mA voltage regulator、accepts voltages from 3.5v to 16v。Current draw in sleep：< 0.05mA - over 2.5 years on a 2500mAh battery。On-board FET can be used to drive high-current outputs。Part List：Espruino Pico(unpinned)x 1

Description。Grove Breakout for LinkItTM Smart 7688 Duo is a Grove port integrated and a feature expansion board for LinkItTM Smart 7688 Duo development board. This breakout board will save a lot of work for quicker prototyping、especially for novices through simplified wiring procedure. So it will help a beginner get a quick start. It supports serial buses like I2C、UART and provides access to reserved original pins of LinkItTM Smart 7688 Duo.。LinkIt Smart 7688 Duo(a compact controller board)is an open development board、based on the OpenWrt Linux distribution、MT7688 and ATmega32u4. The board is designed especially to enable the prototyping of Rich Application IoT devices for smart house.。Features。Grove interfaces：I2C×3、Analog× 3、Digital× 6。Specification。Input voltage：5.0V(With USB Power port)。Operating voltage：3.3V。Debug pins conect with MT7688。Other pins connect with ATmega32U4.

Espruino Pico is a tiny microcontroller board that runs JavaScript(it doesn't need to be plugged into a computer)、making it easier than ever to control electronics in the real world. You can program it with nothing but a serial terminal program、but there's also an IDE that runs in the Chrome Web browser. It's got a syntax highlighted editor as well as a graphical programming language.。Once you have uploaded code、you can inspect and change variables(including functions)while your program is running. If you make something with an Espruino Pico and need to change it a year later、your original code is still there waiting for you!。This is the pinned version of the board、which fits perfectly into breadboard. If you need without pre-soldered pins、please visit Espruino Pico(unpinned).。Features：33mm×15mm(1.3×0.6 inch)。22 GPIO pins：9 Analogs inputs、21 PWM、2 Serial、3 SPI、3 I2C。All GPIO is 5 volt tolerant(Arduino compatible)。2 rows of 9 0.1" pins、with a third 0.05" row of 8 pins on the end。On-board USB Type A connector。Two on-board LEDs and one button.。STM32F401CDU6 CPU - ARM Cortex M4、384kb flash、96kb RAM。On-board 3.3v 250mA voltage regulator、accepts voltages from 3.5v to 16v。Current draw in sleep：< 0.05mA - over 2.5 years on a 2500mAh battery。On-board FET can be used to drive high-current outputs。Part List：Espruino Pico(pinned)x 1

Grove Solid State Relay is a non-contact electronic switch module that has relay features. Based on S208T02、it has a maximum output of 250VAC/4A、with a switching speed less than 10ms. This module is equipped with acrylic base and a 3D-printed protection insulation shield、for user's safety. The featured LED indicates that the relay is on. It can be widely used in various areas such as computer peripheral interfaces、temperature/speed light adjustment、servo control、petrochemical、medical instrumentations、financial devices、coal、meters、traffic signals、etc.。Features。Compatible with both 3.3V and 5V control level。Low switching latency(10ms)。LED on-state indicator。Featured radiator provide better stability。Acrylic base and insulation paper increase safety performance。Grove compatible

The PI-TFT22A module features a 2.2'display with 320x240 16-bit color pixels. This PI-TFT22A module refresh it's screen rapidly because the TFT module communicates with raspberry Pi in a high speed SPI interface、this PI-TFT22A module can be used as Xwindow port、displaying images or video etc. it plugs right in on top of your Model A+、B+ or Pi 2 and fits as HAT.。You can download configuration-free image or configurable packages、adjustable brightnes [level 0 -255]、HAT compatible and Onboard buttons、you can load kernel modules to support GPIO KeyBoard function、almost all GPIO available on this board [non SPI 0、GPIO 18、GPIO 24、GPIO23]、Very easily be other uses、IDROM has built initialization data to support Device Tree boot。Technical Details：type value。product name：RPI_2.2'TFT Display Module。character number：320×240。screen scale：2.2'。refresh rate：>20fps。weight：23.9g。module scale：66x57x12(mm)。connect port：2*20 Stacking Header。control interface：SPI。work voltage：5V

With the BigQuad deck you can transform your Crazyflie 2.0 to a bigger quad by connecting external ESCs(Electronic Speed Controller)to the breakout connectors on the deck. The autodetection of the deck makes this transformation possible to do in seconds. The deck contains breakout header connectors for additional accessories such as external receiver(CPPM input)and GPS. It also has the possibility to monitor battery voltage and current.。This product is intended to be used together with the Crazyflie 2.0 quadcopter and uses its expansion board system. Please have a look at the buyers guide for more info about the Crazyflie 2.0 ecosystem. For more information about how to use the expansion decks check out the getting started with expansion decks page.。Early Access：This product is currently part of the early access program. This means the hardware is ready and low level tested but the firmware/software is still in a very rudimentary state、there are probably basic drivers for communicating with the hardware、but no higher level functionality.。Features：4×ESC connectors。0.1"header mounting holes for additional connectivity：CPPM input(3 pin)。GPS input(4 pin)。I2C expansion(4 pin)。Battery and current monitoring input(3 pin)。Buzzer output(2 pin)。Connect one or two additional decks。Automatic detection of expansion deck。Electrical specification：Power Crazyflie 2.0 with 4.5V - 5.5V from ESC.。BiqQuad deck inputs are 5V tolerant.。Battery voltage monitoring divider scaled for input up to 23V.。Current monitoring input 0V - 3V.。BiqQuad deck and Crazyflie 2.0 current consumption：～120mA without any additional decks.。Up to 500mA if Crazyflie 2.0 battery is connected and charging.。1-wire memory for automatic expansion deck detection.。Mechanical specification：Weight：3.8g。Size(WxHxD)：36x40x5mm。M3 mounting holes placed 30.5mm square.。Designed for mounting above or under the Crazyflie 2.0。Package contents：1×BigQuad deck。4×M2x4 nylon screw。2×M2x6 hex spacer

Features：One of the most frequently used parts in Makeblock platform、Compatible with most makeblock motion and Structure components.。Made from 6061 aluminum extrusion、anodized surface. Excellent strength and twist resistance.。With holes on 16mm increments、can be drilled for 4mm hardware.。Threaded slot enables easy and flexible connection.。Cross-sectional area 8x8mm.。Total number of beams is 10.。Note：。We changed the version of Beam0808、the new version Beams are 8mm shorter than the old version Beams.。Part List：2x Beam 0808-80。2x Beam 0808-128。2x Beam 0808-144。2x Beam 0808-160。2x Beam 0808-192

This is an aluminum infrared proximity sensor bracket kit for Infrared Proximity Sensor. With this kit、one RB-421 Servo and one Infrared Proximity Sensor you can build a 2 degrees freedom servo mount assembly.。This kit is professional in steering the infrared proximity sensor on a robot for 180° of rotation side to side and front to back.。These parts also have holes at 20mm spacings so they can be attached to Seeed Starter Bundle Harness which has 20mm spacings as well.

。Built-in Lithium Battery。Built-in Lipo Charging Circuit。Stabilized Voltage Ouput。High Battery Capacity。This G1/2 micro hydro generator provides you clean and renewable electricity. With the help of the regulator circuit inside、the output of this generator is stable at 3.6V. And the capacity of battery is improved from 300mAh to 700mAh compared to the old version.。Time to replace the Li-po batteries in your waterside projects with the green and more accessible hydro power.。【Specifications】。Working Pressure：< 2KGF。Pressure Drop：0.4 Bar(3.0 L / Min)。Peak Current：1.4 A。Stand-by Current：Max. 1.4A。Voltage Output：3.6VDC --- 700mAh。Power Output：125mW(4LPM)。Battery Capacity：300mAh。Max. Flow：20 L / Min(2KGF)。Water-resistance：IP4。High limited voltage：4.3VDC。Dimensions：L 84.5 mm - W 64.5 mm - H 81 mm。Wire Length：84 mm。Jack Type：JWT C2521 Terminal Plug。Connect Thread Gauge：G 1/2"。Weight：165 ± 5g。Burst Pressure：20KGF。Normal Operation Temp. 4 ℃～80 ℃。Max. Intermittent Operating Temp. 110 ℃ max. 30 min。Generating Model：NACuM Core(PAT NO.DE202006004800)。Battery Type：Li-polymer Battery with PCM

The Gameduino 2 turns your Arduino into a hand-held modern gaming system. Touch control、a 3-axis accelerometer、microSD storage for game assets、headphone audio output、and all-new eye-popping graphics on its bright 4.3 inch screen.。Audio output is available on the amplified headphone jack、and provides a range of built-in sounds as well as sample playback at up to 48 kHz.。The Gameduino 2 software library is documented extensively in the book、available for free download.。Features。Complete hand-held game module：supply an MCU(Arduino/Rasberry Pi)and power。Arduino shield form-factor。Bright 4.3"(diagonal)480x272 screen、262144 colors。Powered by latest FT800 Embedded Video Engine(EVE)。Resistive touch-screen input。3-axis accelerometer for tilt gaming。microSD storage slot。Amplified audio via headphone socket。Software and book available for download。Important。Note this unit does not include a microSD card.。Specification。Arduino Uno shield form-factor、uses SPI bus on pins 13-11. Voltage levels 3.3-5v。3.3-5V power supply required。3-axis analog accelerometer。4.3"(diagonal)TFT with adjustable backlight。3.5mm audio jack。microSD card socket。Weight：85g。Size：105x75x20 mm

Strictly speaking、Booster-B24V2A5 is a dual H-bridge power driver、which integrates 24 N-Channel MOSFETs(with low Drain-Source On-Resistance、RDS(ON)<3mΩ)and various protections(reliable and flexible). It can be used for controlling the brushed DC motor、high-power LED and so on. In addition、it integrates RS485 and I2C into one connector、and they share the same user register、so it can be used via any one of the two interfaces at any time. All functions can be performed by reading or writing the user register、except for a few special operations(please refer to the corresponding communication protocols for details)、which is similar to the MCU operation.。Features：It integrates various protections(Under-Voltage、Over-Voltage、Over-Temperature、Over-Current、Out-Of-Control and Power-Reverse). The response-time of the Over-Current protection can be flexibly set and performed by hardware(comparator)、which makes the protection more timely and reliable.。There are 18 control modes for different applications(see below).。It integrates a stable and high-efficiency RS485、and the baud rate can be detected automatically. There is no instruction packet loss when the baud rate is not higher than 28800bps、otherwise the first instruction packet will be discarded. Furthermore、it is recommended to send the sync bytes(0xff 0xff 0xff 0xff)first when the baud rate is higher than 28800bps.。It integrates a stable and high-efficiency I2C.。Specification：Supply Voltage：DC 6 ～ 24V。Continuous Current：2 5A / 1 10A(Just limited by D-Sub connector、210A / 115A for mosfets and sampling resistors.)。Baudrate Range：1200 ～ 115200bps。I2C Speed：100KHz。Size：54.5mm 50mm 30.5mm(LWH)。We have adapters for this controller：GDA-HLB1，GDA-HLU1 and GDD-FAN.

The new USB Tester Backback 2.0 brings many new features to the already very useful tool. We have worked hard over the recent months to bring most of the many requested features.。The USB Tester makes it easy to monitor the current and voltage of any USB device. It is inserted inline between your USB device and your power source or computer. This allows you to make sure you are getting a true 5V and to read how much power your projectdevice is using. For example、you can check which charger/cable allows your phone to charge the fastest. The base can be used with a Digital Multi Meter or with the Backpack、you can see the readout directly on the display. The default mode shows a graph of current usage、with the button cycling through the different modes.。The OLED Backpack can connect to a computer either using the Java app or the wizkers.io Chrome app. Both can graph and log the data which can be export as a CSV file. Wizkers is easier to setup and can handle firmware updates.。Features：Micro USB。Button Location on the front left。128x64 OLED Display。Voltage monitoring of the USB Data lines。Easier access to almost all the extra GPIO's。Separated voltage test points(Easier to attach test clips and avoid misplacing jumper)。Standard Dual Banana spacing 0.75in。Standard test probe sized test points。Firmware Features：Peaks。mWh and mAh tracking。Bar Graph of volts、watts and current。JSON for serial communications。Java App：Uses JSON over serial。Save as CSV。View max、min、avg on each graph。Specification：OLED。.96in。128x64。SPI。Supply：4.5v-5.5v。I/O：3.2v-5.5。8 Pin。PCB：26.7mm×25.4mm。Monochrome(WHITE)。Display Mode：Passive Matrix。Drive Duty：1/64 Duty。Active Area：21.744×10.864(mm)。Pixel Size：0.154×0.154(mm)。Pixel Pitch：0.17×0.17(mm)。2.0mm pitch(Might be breadboardable if you bend the pins out)(same pitch as Xbee)