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USB has become the core of many projects. In my experience I've found it to be troublesome to test USB voltage levels and current usage using a breadboard. They usually consist of holding wires attached to the DMM's test leads、making it difficult to get

USBの電圧と電流が検出できる小型でシンプルで実用的なツールです。外部電源を必要とせず、プラグ&プレイが可能です。また、電圧と電流を検出するだけでなく、USBハブも検出します。

このボックスを使用してICチップ、。抵抗器、小ネジ、ナット、ワッシャーなどの小さな部品をすべて収納できます。特別に設計された周辺プロファイルにより、同じまたは異なる。他のボックスとの安全な接続が保証されます。この機能を使用すると、任意の構成で独自の

このボックスを使用してICチップ、。抵抗器、小ネジ、ナット、ワッシャーなどの小さな部品をすべて収納できます。特別に設計された周辺プロファイルにより、同じまたは異なる。他のボックスとの安全な接続が保証されます。この機能を使用すると、任意の構成で独自のボックスを作成できます。

このボックスを使用してICチップ、。抵抗器、小ネジ、ナット、ワッシャーなどの小さな部品をすべて収納できます。特別に設計された周辺プロファイルにより、同じまたは異なる。他のボックスとの安全な接続が保証されます。この機能を使用すると、任意の構成で独自の

このボックスを使用してICチップ、。抵抗器、小ネジ、ナット、ワッシャーなどの小さな部品をすべて収納できます。特別に設計された周辺プロファイルにより、同じまたは異なる。他のボックスとの安全な接続が保証されます。この機能を使用すると、任意の構成で独自のボックスを作成できます。

クレジットカード大の透明な。プラスチック製の収納ボックスです。お使いのマイクロコントローラやティーバッグにピッタリです。

High sensitivity to LPG， natural gas ， town gas。Small sensitivity to alcohol， smoke.。Fast response。Stable and long life。Simple drive circuit。They are used in gas leakage detecting equipments in family and industry、are suitable for detecti

ClockTHREEjr、jetzt auf Deutsch! Sie haben gefragt、und wir haben geantwortet. Zum proberieren、haben wir nur 25 gemacht.。Deise ClockTHREEjr Kommt zusammengebaut mit ein schwartze "German_v3 faceplate".。Auch auf English：Clock THREEjr(with black faceplate)。About ClockTHREEjr：ClockTHREEjr is an awesome platform for anyone wanting to explore time with electronics. The ClockTHREEjr is a smaller version of our earlier、wildly successful、Kickstarter project ClockTHREE. ClockTHREEjr fits perfectly in a 9'' by 9''IKEA RIBBA frame(not included、sold separately). It features mono-color LEDs in a 16 column by 8 row matrix、giving it a total of 128 addressable LEDs.。ClockTHREEjr is sold assembled with an English faceplate. This is not a kit、but a fully functioning clock ready to hang on your wall. To support use in all countries、ClockTHREEjr is powered by USB. Please use an old cell phone charger or empty USB port on your computer to power your clock.。If you would like a clock in、German、French、Hungarian、Hebrew、or Dutch、you can buy a Faceplate/chip upgrade from Wyolum. Or if you would like a clock in a different language、please contact us、we'd be happy to work with you to develop it with you.。Also available as a kit.。Specifications。Dimension：23233cm。Net Weight：approx. 1kg。Power Supply：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

。Introduction：This robot gripper is perfect for all your gripping needs. Made from a heavy duty but lightweight PVC、it comes with four standard M4 thread holes on the bottom for easy assembly.。Features：Self-locking fingers。Extra anti-slip material on the inside of two fingers。A built-in resettable fuse protects the N20 screw motor from short-circuits and over-current。Motor Specification：Voltage：12v。Operating current：110mA。Speed：600±10%RPM。Part list：1× Robot Gripper。1× Motor Cable

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)

This is a rainbow-colored mini storage box. It has 14 independent cells in 7 bright colors、would be a perfect container for your tiny objects such as resistors、small screws、even your candies and daily medicine pills.。Features。Independent cells。Colorful appearance。Easy to reassemble。Specifications。Dimensions：70*170。Material：Plastic

ClockTHREEjr is an awesome platform for anyone wanting to explore time with electronics. The ClockTHREEjr is a smaller version of our earlier、wildly successful、Kickstarter project ClockTHREE. ClockTHREEjr fits perfectly in a 9" by 9"IKEA RIBBA frame(not included、sold separately). It features mono-color LEDs in a 16 column by 8 row matrix、giving it a total of 128 addressable LEDs.。ClockTHREEjr KIT includes the unpopulated PCB、all of the electrical components、and the laser cut parts with an English faceplate. To support use in all countries、ClockTHREEjr is powered by USB. Please use an old cell phone charger or empty USB port on your computer to power your clock.。If you would like a clock in、German、French、Hungarian、Hebrew、or Dutch、you can buy a Faceplate/chip upgrade from Wyolum. Or if you would like a clock in a different language、please contact us、we'd be happy to work with you to develop it with you.。Also available as a fully assembled clock.。Specifications。Dimension：23233cm。Net Weight：approx. 1kg。Power Supply：5V

。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

The LED strip Uses trinity-SMD LED as lighting source、it shine uniformity and have high brightness.。- Uses FPC circuit board、made it easily to bend。- As lowing voltage with resistance and having IC constant current、stable working was ensured.。- Designed with two solder pan、convenient for connected.

As somebody worry about the price of Seeeduino Stalker will be too high with GPS module、so we separate the GPS module away from stalker .。And to make the GPS module easily to compatible with the existent shield、we use the same pin packaging as XBee wireless module.So you can put the GPS module into the existent shield which compatible with XBee. Also you can use the UartSB to connect the GPS module to USB port、run a software named u-center to analyze the GPS data and to reset the GPS module parameter. Put the GPS Bee on the UartSB、and connect the UartSB to the PC、open the u-center.exe、choose the UartSB port、then you can see the data that GPS module send back、and the software analyze them and show you the specific information、like：time、speed、latitude and longitude、ASL and so on.。Kit is come with a nice Antenna、you can also purchase another Antenna with lager size.。Compatible with all shields、breakout、boards with Xbee standard sockets.。4 pin 2.54mm to 2.0mm Female jumper wire is also available for easy adaption!

。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

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.

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.

5V/3.3V breadboard power supply designed by SeeedStudio. It can directly takes power from DC wall wart and outputs both 5V and 3.3V regulated voltage. Compare to other breadboard power supply designs、this one provided micro-USB port、you can use both 5V and 3.3V regulated voltage. The 5V/3.3V breadboard power supply includes micro-USB port and power jack port. This power supply fits the breadboard which is 5.3cm wide like Bread board Clear - 8.2×5.3cm、and it can fit the 5.5cm wide breadboard too Basic Bread board - 16.55.5 cm、but just a little tight.。Features：Dual lane outpu。Dual power port input。5V/3.3V regulated voltage。Maximun output current is 400mA。Part list：5V/3.3V Breadboard Power Supply Board 1。Specification：Input voltage：7V 15V。Output Voltage：3.3V Channel：3.267V - 3.333V。5V Channel：4.9V 5.1V。Output current 400mA

It's interesting to hack one of your appliances or lighting projects into a whistle controlled intelligent one. The whistled allows you to do so by simply whistling two musical notes. To set it up、you just need to connect your 5.5/2.1mm DC connector on one end and your load on the other.。Specifications。ESD protected PCB、covered in transparent heat shrinkable tubing。Voltage must be between 4.5 and 18V at the input(barrel connector)。Reversed polarity protection。Max current of 5A。16 bits PWM output。SWD pads for programming。Listening range of 15m / 50feet。Cortex M4 microcontroller performing 80 FFTs / sec。Maximum voltage on the screw terminals is 25 Volts(don't forget the flyback diode!)

Grove - Mouser Encoder is mechanical incremental rotary encoder(A、B channel)with feedback of direction and speed[1]. It features standard Grove interface that will save your lots of work in wiring and programming. Also、it is well adapted to heavy duty and a harsh environment. This product can be applied in toys、robots、and consumer input devices.。Note that the rotating speed is designed to be less 1000 rad/min(radian per minute).。Features：Versatile for different environment.。Well adapted for heavy duty and harsh environment.。With detents and a nice feel.。Standard Grove interface for easier programming and wiring.。Accurate and reliable.。Operating voltage(V)：3.3～5.5。Operating current(mA)：10～13。Duty(constant speed)：50%。Phase difference(constant speed)：π/4。Pulse per circle：12

。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

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

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

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