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The Xadow Audio integrates a speaker box and a microphone on one single board. The speaker unit is rated at 0.7Watt with an impedance of 8 ohm. Unlike the common cone type speakers、the loudspeaker driver used on the Xadow Audio has a flat surface and is m

Special noticed with only 3.3v supported for motor encoder connectors and Grove connectors。Description。The 4WD Driver Platform V1.0 is a multi-purpose、all-in-one development platform based on Intel Edison. It is specially designed for robotics app

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!)

Of all the 9 boxes we released lately、this one belongs to the smallest ones、as well as HF-N-23 and HF-N-5. HF-N-48 has a special design. It has three square holes、one on one side and two on the other side、and two round holes、each side by one. You ca

。Control HD44780 LCDs from the Bus Pirate with this breakout board. The Bus Pirate LCD mode uses an adapter because there aren't enough pins to control a character display. You can build it with a few chips on a bread board、or you can buy this one ready-made. Includes a short connector cable. Every sale directly supports open source development of the Bus Pirate.。Supports the most common HD44780 1x16 connector。Contrast adjustment。Connection indicator LED。Backlight connections adjustable。Many backlights can be dimmed。Compatible with Bus Pirate v3.x and v2go(all production versions)。Includes connector cable(Bus Pirate and LCD NOT included)。Uses DP6037 standard PCB footprint。Open source(CC-0/Public Domain)。Each unit is tested before it leaves Seeed Studio

Logic DC Jack is a logic module build with AND and NOT functions、which you can change the level of output via logic principles. Also with a switch for changing logic between AND and NOT、you can use one of functions easily.。It can provide two logic inpu

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.

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

Grove Starter Kit for Photon is an easy to use plug-and-play kit for the Photon - one base shield lets you connect a variety of included Grove modules.It includes a Grove Shield for Photon and several Groves、Grove Shield for Photon is an expansion board、which is more easy for users to build Groves 4-pin standard interfaces from Spark Photon、also avoid the user spent too many cables to build prototype.。Parts list：Grove Shield for Photon。Grove - Button。Grove - Buzzer。Grove - Rotary Angle Sensor。Grove - Temperature Sensor。Grove - Light Sensor。Grove - Chainable RGB LED。Grove - 3-Axis Digital Accelerometer(±1.5g)。Grove - 4 Digit Display。Grove - Vibration Motor。User's Manual

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 Ardu

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!)

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

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

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

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.

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'