「theta」の検索結果

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

。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

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!

Atom Node is a IoT platform、which intellectualize its surroundings. Atom Node can support serveral Grove sensors and actustors to gather physical data and actuat certain action. Atom Node needs to be configured before putting into use. After configration、several modules can gather and transmit data wirelessly through RFBee. Besides、with a rotating shaft and universal framework、the pretty、easy open-closed and pragmatic shell can satisfy customer's applications in different working environments.。A Sensor is an electronic object that gets physical values from the environment. For instance、a Grove-Temperature Sensor reads temperature data and transports it to Node.。An Actuator makes some certain actions. As an example、Grove-LED will blink when a HIGH level is sent to it.。Features。Mobile devices/Apps centered configure。Open Source。Flexible wireless networks topology from Ad-hoc to mesh。Built-in battery。A variety of Indicators、Easy to distinguish the work state。Skin-Skeleton-Gut philosophy

。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 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.

A clear laser-cut acrylic project case kit that fits DP7070 square PCBs(70mmx70mm). Protect your project from electrical shorts and fingers、but keep it accessible for hacking and showing off. Sick of Beige basic case v1 is designed to be simple、cheap、and easy to assemble. The project PCB is sandwiched between two laser cut acrylic sheets、and the whole assembly is held together with aluminum screws and standoffs.。Sick of Beige PCB templates and clear enclosures make it super easy to design your project for a case. Drop a standard PCB footprint on your schematic、and then route on the board template. The board shape、size、limitations、and many connector placements are already taken care of.。This case fits DP7070(70mmx70mm PCB size)compatible PCBs.

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

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.

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)

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

。DESCRIPTION。This Grove - BLE utilizes an HM-11 module to provide your Arduino/Seeeduino with serial BLE function， and it can be used with Arduino/Seeeduino very conveniently if using with Base Shield together. With support for a BLE ComAssistant APK， this Grove - BLE can talk to your mobile phone more easily without pairing， and of course， it can be set via AT commands directly. You can use it in many conditions， like robot controls or remote control equipment ，etc. We prepared an easy and convenient command set for this product so that you can use neat and concise code to run the function.

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!)

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.

。Description。Find setting up an amplifier IC on the breadboard a troublesome and totally no-need-to-repeat job? This Grove module can save you clutter to settle up such an IC by integrating the whole operating circuit. It's designed for precise differential-input amplification. Input the differential signals of your sensor to this module through the male pins， then your Arduino will get a precisely amplified output from the Grove interface. The gain scale factor is selectable. You can get a 35 times or 1085 times amplification via a switch on the board.。Features。High amplifying precision。Selectable scale factor。Can be conveniently read by Arduino。Strong input protection：&plusmn；40V

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

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