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Make!Sense is an easy-to-use platform for making learning fun and interactive. It's a universal interface system that allows you to quickly and easily connect different types of sensors to your computer or smart phone. You can use Make!Sense to observe mo

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.

GDA-OTH1 is specially designed for connecting the Grove series modules when you use ManShow-RC1、which integrates these types of interfaces and makes ManShow-RC1 become more powerful.。There are three communication modes('USB<->UNO'、'UNO<->Grove'

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

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

。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

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

The Audio Hacker shield for Arduino allows you to perform realtime digital signal processing. Record audio samples into memory and play them back. Mix samples、manipulate audio、build audio effects、or synthesize entirely new sounds. All with Arduino programming!。High quality 12-bit ADC and 12-bit DAC. Realtime ADC sampling and output to DAC at 44.1 kHz.。256K SRAM for recording/playback of audio samples. No SD card is needed! High-speed SRAM allows fast access to audio data for realtime processing and mixing.。Record about 9 seconds of high quality audio at 22 kHz with 12-bit resolution to SRAM. Much longer samples can be recorded at lower frequency and/or resolution. See memory capacity below.。TS922IN op-amp provides high current output and up to 100X gain preamp for weak inputs.。Two onboard buttons for input、bypass switch、volume knob.。Connection for 3V battery backup to retain samples in memory.。Compatible with Arduino Uno、Duemilanove、Mega、and Leonardo. Uses digital pins 5-13.。Easy to assemble kit! Available assembled in limited quantities.。Features：Audio input and output 3.5mm stereo jacks and solder pads. The stereo input is converted to mono、and the output is always mono. Solder pads are provided for input and output in case you want to use different types of connectors。The bypass switch allows you to hear the input signal(after it has been converted to mono)on the output. This switch allows you to compare the original signal with the processed output of the Audio Hacker.。Small volume knob for the output level of the processed signal。Two buttons provided for user input. These are connected to digital pins 5 and 6.。Preamp gain allows you to amplify weak input signals. For inputs from an MP3 music player(e.g. iPod)or computer、this potentiometer should be set to its lowest level(no gain).。Battery connection allows you to keep your audio samples in non-volatile memory when power is disconnected. A simple 3V coin cell battery(e.g. CR2032)is sufficient to retain the memory contents. See this project for more details.

The Arch Max v1.1 is a mbed enabled development board specially for rapid prototyping. It's based on an STM32F407VET6 microcontroller with an ARM Cortex-M4F core running at 168MHz. It provides serial wire debug](SWD)debug、drag-and-drop programming and USB serial communication. It provides a complete and straightforward development document for your projects.。Features。mbed enabled。Online development tools(include IDE)。Complete and straightforward C/C++ SDK。Massive examples and tutorials。High-performance STM32F407VET6。ARM Cortex-M4 MCU with FPU of 168MHz。512 KB Flash memory、192 KB RAM。On-board programming and debug。Drag-and-drop programming。USB serial communication。SWD debug with GDB+ pyOCD/OpenOCD、Keil or IAR。Arduino form factor、compatible with lots of shields。Built-in Ethernet port、USB and SD card slot for Internet connectivity and data exchange。Parameter。Work Voltage：5V。Microcontroller：STM32F407VET6。Flash Memory：512kB。RAM：192kB。UART：4。I2C：3。SPI：3。CAN：2。SDIO：1。Camera interface：1。Eth：1。ADC Channels：8。I/O pins：40。Digital I/O Max Input Voltage：5.0V。Diameter：90mm×44mm

。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