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。High flux per LED。Very long operating life(up to 100k hours)。Various colors。Good color uniformity。More energy efficient than incandescent and。most halogen lamps。Low Voltage DC operated。Instant light(less than 100ns)。No UV。Superior ESD protection。【Typical Applications】。- Reading lights(car、bus、aircraft)。- Portable(flashlight、bicycle)。- Uplighters/Downlighters。- Decorative/Entertainment。- Bollards/Security/Garden。- Cove/Undershelf/Task。- Indoor/Outdoor Commercial and Residential Architectural。- Automotive Ext(Stop-Tail-Turn、。- CHMSL、Mirror Side Repeat)。- LCD backlights

An 80mm button?! Red、Demonic and eyecatching!。With 12V/3W LED inside、this devil is totally rocking in the darkness.。Button diameter：80mm。Shell diameter：98mm。Mounted Height from Dome to Panel：50mm。Mounting hole diameter：24mm。Internal Light bulb：12V 3W。Button：Micro SPDT switch、replaceable.

AERobot(Affordable Education Robot)is a simple low-cost robot for introductory programming and robotics education. It provides a wide range of sensors and abilities、controlled by an intuitive graphical programming environment、all for a fraction of the cost of other educational robots.。AERobot is intended for students around middle school age. No previous robotics or programming experience is required. A moderate level of comfort with technology is suggested for teachers.。Every student should have their own robot!。Features：Sensors provide abilities like obstacle detection and ranging、line-following、and light orientation、making it suitable for a variety of activities like maze-solving。Movement on flat surfaces。Multicolor LED。Low cost makes it feasible for all students to have、and personalize、their own robot。Plugs directly into USB port for programming and charging -- no separate cable required。Hardware and programming environment are both open-source。Part List：Each kit is complete with a robot chassis、materials to attach a "foot"(plastic pad、standoffs、screws； takes 1 minute and requires no tools)、and a rechargeable battery.

Sometimes LED feedback isn't enough、like when you're flying around in a lab or a living room. With the buzzer deck you'll get audio feedback on system events、like low battery or charging completed. Or why not create your own melodies that will play while you're buzzing around. To get started using the buzzer deck there's already a few melodies pre-programmed in the Crazyflie 2.0 latest firmware.。This product is intended to be used together with the Crazyflie 2.0 nano 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.。Features：Low profile piezo buzzer for tone and melody generation。Automatic detection of deck。Specifications。Based on the CMT-1203-SMT。1-wire memory for automatic deck detection。Mechanical specification。Weight：1.8g。Size(WxHxD)：25x27x4mm。Designed for mounting above or under the Crazyflie 2.0。Part list。1×Buzzer deck

The Create USB Interface is an open source microcontroller board that can be programmed in C、BASIC、or Arduino languages. This latest version is called the CUI32Stem、which is designed to work 'hand-in-hand' with the GROVE prototyping system including a wide range of sensors and actuators. You can connect CUI32Stem to Grove system boards via Grove Converter Cables. It utilizes a high-performance Microchip PIC32 microcontroller、allowing programmable interaction with all sorts of user inventions、no soldering required!。There is a bag of headers included、but not soldered onto the board. This provides a slim board profile for those that require low-profile mounting locations.。There is also a wireless transceiver shield for the CUI32Stem called ZigFlea、please click here for more information.。Features。CUI32Stem is designed to be a brain of the GROVE system。Arduino-code can be compiled for the CUI32Stem via MPIDE。Powerful 32-bit Microcontroller running at 80MHz。Easy to use Real-time Operating System pre-installed - StickOS

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

BADGEr is an awesome wearable board designed by WyoLum and manufactured by SeeedStudio for the open hardware summit 2013.The badge goes with an E-paper screen、an onboard ATmega328、and a micro SD slot.It can be programmed using the Arduino IDE by select

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

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

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.

How often have you been caught without the right cables You can salvage an old ugly one from somewhere、or make a last minute part order that delays your project. Never again! The Premium Make Your Own Cable Kit from Dangerous Prototypes contains enough connectors to make an(almost)lifetime supply of cables for standard 0.1"(2.54mm)headers.。Choose the connector、or combination of connectors、that best fit your project. Slide the pre-crimped rainbow ribbon cable into the connector until you hear a snap. Now you're ready to go!。2.54 mm(0.1")Crimp Housings：1、2、3 Pin x50 pieces each。4、5、6、8、10 Pin x25 pieces each。12、16、20 Pin x10 pieces each。Pre-crimped Cables：100 mm x2 with crimps。200 mm x2 with crimps。300 mm x2 with crimps。40 Wire、28 gauge。10 Colors(brown、red、orange、yellow、green、blue、purple、grey、white、black)。2.54 mm(0.1")Headers：36 Pin regular×5 pieces。36 Pin long x5 pieces(great for Arduino!)

。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