Adafruit 24 RGB Neopixel LED Ring with Integrated Drivers
Round and round and round they go! 24 ultra bright smart LED NeoPixels are arranged in a circle with 2.6" (66mm) outer diameter. The rings are 'chainable' - connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the colour will be very consistent even if the voltage varies, and no external choke resistors are required making the design slim. Power the whole thing with 5VDC and you're ready to rock. There is a single data line with a very timing-specific protocol. Since the protocol is very sensitive to timing, it requires a real-time microconroller such as an AVR, Arduino, PIC, mbed, etc. It cannot be used with a Linux-based microcomputer or interpreted microcontroller such as the netduino or Basic Stamp. As it requires hand-tuned assembly it is only for AVR cores but others may have po
ELEGOO R3 Project The Most Complete Ultimate Starter Kit w/TUTORIAL, R3 controller board, LCD1602, Servo, Stepper Motor, Compatible with Official R3 Project

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Elegoo R3 The Most Complete Starter Kitprovides an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software.It contains all of the essential components required to start programming with the Elegoo R3 board, and a free pdf tutorial featuring 33 different lessons for beginner and professional users.Component listing5x White LED5x Yellow LED5x Blue LED5x Green LED5x Red LED1x RGB LED5x 22pf Ceramic Capacitor5x 104 Ceramic Capacitor2x Photoresistor1x Thermistor5x Diode Rectifier (1N4007)2x Electrolytic Capacitor(10UF 50V)2x Electrolytic Capacitor (100UF 50V)5x NPN Transistor (PN2222)5x NPN Transistor (S8050)1x Tilt Switch5x Button (small)1x 1 digit 7-segment Display1x 4 digit 7-segment Display1x Sound Sensor Module1x LCD1602 Module (with pin header)1x IC L293D1x IC 74HC5951x Active Buzzer1x Passive Buzzer1x RTC Module1x DHT11 Temperature and Humidity Module2x Potentiometer1x Rotary Encoder Module1x Joystick Module1x Keypad Module1x 5V Relay1x IR Receiver Module1x R3 Controller Board1x Breadboard1x Servo Motor (SG90)1x Stepper Motor1x ULN2003 Stepper Motor Driver Board1x Prototype Expansion1x Power Supply Module1x HC-SR501 PIR Motion Sensor1x Ultrasonic Sensor1x GY521 Module1x 3V Motor1x MAX7219 Module1x Remote1x 9V 1A Power Supply1x 65 Jumper Wire1x Water Lever Sensor1x USB Cable1x 9V Battery with DC1x RC522 RFID Module10x Resistor (10R)10x Resistor (100R)10x Resistor (220R)10x Resistor (330R)10x Resistor (1K)10x Resistor (2K)10x Resistor (5K1)10x Resistor (10K)10x Resistor (100K)10x Resistor (1M)20x Female-to-male Dupont Wire
Adafruit TV-B-Gone Kit [ADA73]
Tired of all those LCD TVs everywhere? Want a break from advertisements while you're trying to eat? Want to zap screens from across the street? The TV-B-Gone kit is what you need! This ultra-high-power, open source kit version of the popular TV-B-Gone is fun to make and even more fun to use. This version can be used in both "North American/Asia" as well as "Europe/UK" areas (basically, the whole world)! This kit comes unassembled with all parts necessary. Tools and batteries are not included. This is a very simple kit and great for people who have never soldered anything before.
Adafruit Feather HUZZAH with ESP8266 - Loose Headers
Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores.This is the  Adafruit Feather HUZZAH ESP8266  - our take on an 'all-in-one' ESP8266 WiFi development board with built in USB and battery charging. Its an  ESP8266 WiFi module with all the extras you need, ready to rock!  We have other boards in the Feather family, check'em out here. At the Feather HUZZAH's heart is an ESP8266 WiFi microcontroller clocked at 80 MHz and at 3.3V logic. This microcontroller contains a Tensilica chip core as well as a full WiFi stack. You can program the microcontroller using the Arduino IDE for an easy-to-run Internet of Things core. We wired up a high-quality SiLabs CP2104 USB-Serial chip that can upload code at a blistering 921600 baud for fast development time. It also has auto-reset so no noodling with pins and reset button pressings. The CP2104 has better driver support than the CH340 and can do very high speeds without stability issues.To make it easy to use for portable projects, we added a connector for any of our 3.7V Lithium polymer batteries and built in battery charging. You don't need a battery, it will run just fine straight from the micro USB connector. But, if you do have a battery, you can take it on the go, then plug in the USB to recharge. The Feather will automatically switch over to USB power when its available. Here's some handy specs! Measures 2.0" x 0.9" x 0.28" (51mm x 23mm x 8mm) without headers soldered inLight as a (large?) feather - 9.7 gramsESP8266 @ 80MHz with 3.3V logic/power4MB of FLASH (32 MBit)Built in WiFi 802.11 b/g/n3.3V regulator with 500mA peak current outputCP2104 USB-Serial converter onboard with 921600 max baudrate for speedy uploadingAuto
Adafruit Circuit Playground Express [ada3333]
Please note: This initial run of CPX is for developers and makers only! We're still adding full support for all of the cool sensors to MakeCode/CircuitPython/Arduino. There will be many drastic changes in APIs and functionality, so it is not ready for use with students or beginners: here be dragons! Circuit Playground Express is the next step towards a perfect introduction to electronics and programming. We've taken the original Circuit Playground Classic and made it even better! Not only did we pack even more sensors in, we also made it even easier to program. You can now start your journey with Microsoft MakeCode block-based or Javascript programming. Then, you can use the same board to try CircuitPython, with the Python interpreter running right on the Express. As you progress, you can advance to using Arduino IDE, which has full support of all the hardware down to the low level, so you can make powerful projects.Because you can program the same board in 3 different ways - the Express has great value and re-usability. From beginners to experts, Circuit Playground Express has something for everyone. If you are looking for our original, Arduino-only Circuit Playground, check out the Circuit Playground Classic.The board is round and has alligator-clip pads around it so you don't have to solder or sew to make it work. You can power it from USB, a AAA battery pack, or with a Lipoly battery (for advanced users). Circuit Playground Express has built-in USB support. Built in USB means you plug it in to program it and it just shows up, no special cable or adapter required. Just program your code into the board then take it on the go!Here's some of the great goodies baked in to each Circuit Playground Express:10 x mini NeoPixels, each one can display any color1 x Motion sensor (LIS3DH triple-axis accelerometer with tap detection, free-fall detection)1 x Temperature sensor (thermistor)1 x Light sensor (phototransistor). Can also act as
Adafruit PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A - 1000C [ADA2465]
PowerBoost 1000 charger - rechargeable 5V lipo USB boost @ 1A is the perfect power supply for your portable project! With a built-in load-sharing battery charger circuit, you'll be able to keep your power-hungry project running even while recharging the battery. This little DC/DC boost converter module can be powered by any 3.7V LiIon/LiPoly battery, and convert the battery output to 5.2V DC for running your 5V projects. The output has been tweaked to be 5.2V instead of a straight-up 5.0V so that there's a little bit of 'headroom' for long cables, high draw, the addition of a diode on the output. The 5.2V is safe for all 5V-powered electronics like Arduino, Raspberry Pi, or Beagle Bone while preventing icky brown-outs during high current draw because of USB cable resistance. The PowerBoost 1000 charger has at the heart a TPS61090 boost converter from TI. This boost converter chip has some really nice extras such as low battery detection, 2A internal switch, synch
Adafruit Feather M4 Express - Featuring ATSAMD51 (ATSAMD51 Cortex M4)
It's what you've been waiting for, the Feather M4 Express featuring ATSAMD51. This feather is powered by our new favorite chip, the ATSAMD51J19 -  with its 120MHz Cortex M4 with floating point support and 512KB Flash and 192KB RAM. Your code will zig and zag and zoom, and with a bunch of extra peripherals for support, this will for sure be your favorite new chipset.And best of all, it's a Feather - so you know it will work with all of the FeatherWings! What a great way to quickly get up and running.Measures 2.0" x 0.9" x 0.28" (51mm x 23mm x 8mm) without headers soldered inLight as a (large?) feather - 5 gramsATSAMD51 32-bit Cortex M4 core running at 120 MHz, 32-bit, 3.3V logic and powerHardware DSP and floating point support512 KB flash, 192 KB RAM2 MB SPI FLASH chip for storing files and CircuitPython code storage.No EEPROM32.768 KHz crystal for clock generation & RTC3.3V regulator with 500mA peak current outputUSB native support comes with USB bootloader and serial port debuggingBuilt-in crypto engines with AES (256 bit), true RNG, Pubkey controllerTons of GPIO! 21 x GPIO pins with following capabilities:Dual 1 MSPS 12 bit true analog DAC (A0 and A1) - can be used to play 12-bit stereo audio clipsDual 1 MSPS 12 bit ADC (6 analog pins some on ADC1 and some on ADC2)6 x hardware SERCOM - Native hardware SPI, I2C, and Serial all available16 x PWM outputs - for servos, LEDs, etcI2S input and output8-bit Parallel capture controller (for camera/video in)Built-in 100mA lipoly charger with charging status indicator LEDPin #13 red LED for general purpose blinkingPower/enable pin4 mounting holesReset button
Adafruit 6 inch PCB Ruler
The first time you soldered up a surface mount component you may have been surprised "these are really small parts!" and there's dozens of different names too! QFN, TDFN, SOIC, SOP, J-Lead, what do they mean and how can you tell how big they are? Now you can have a reference board at your fingertips, with this snazzy PCB reference ruler. Measuring approx 1" x 6", this standard-thickness FR4, gold plate ruler has the most common component packages you'll encounter. It also has font size guide, trace-width diagram, and a set of AWG-sized drills so you can gauge your wire thicknesses.
Adafruit Pro Trinket LiIon/LiPoly Backpack Add-On [ADA2124]
If you have a Pro Trinket you probably know it's the perfect little size for a portable project. This LiPoly backpack makes it really easy to do! Instead of wiring 2 or 3 boards together to make a charging system, this little PCB sits on top of the Pro Trinket and allows a LiPoly/LiIon battery to plug in. When the Pro Trinket USB port is powered, the battery is recharged automatically. Unplug the USB port and the Pro Trinket will switch over to the rechargeable battery.Ideally, this backpack is for use with the 3.3V Pro Trinket, so that the battery voltage (3.7V-4.2V) will get regulated down to 3.3V on the Pro Trinket board. However, many times, you can run a 5V Pro Trinket + accessories off of the ~4V from the LiPoly battery with no problem. (Technically its overclocking but we've never seen that affect the Pro Trinket itself, AVRs are happy to overclock without complaint).Solder the backpack on with the extra long header so that it can still plug into a breadboard, or clip the long header leads short afterwards for a slim package. There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on. Seriously, it could not get more easy.If you want to add an On/Off switch, we also made that really easy. The two 0.1" holes with a box around them are the battery output line. Carefully cut the trace between them with a hobby knife and replace with two wires from a switch like this slide switch , or this pushbutton one , for example.Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The charge current is 100mA by default, so it will work with any size battery and USB port. If you want you can easily change it over to 500mA mode by soldering closed the jumper on the bottom, for when you'll
Adafruit Audio FX Sound Board - WAV/OGG Trigger with 16MB Flash [ADA2220]
Would you like to add audio/sound effects to your next project, without an Arduino+Shield? Or maybe you don't even know how to use microcontrollers, you just want to make a sound play whenever you press a button. What about something that has to be small and portable? You are probably feeling a little frustrated: it's been very hard to find a simple, low cost audio effects trigger that is easy to use and does not require any programming UNTIL NOW! Don't get me wrong, I love the MP3 Music Maker shield, and our Wave Shield is a dependable classic. But you still need to get an Arduino involved. There's all sorts of tricks with ISD chips or recordable greeting cards, but they never sound any good. So after a lot of engineering and tinkering we've come out with the Adafruit Sound Board, the fastest way to add audio effects to a project! We think this is the best sound board for props and costumes!The Sound Board has a lot of amazing features that make it the easiest thing ever: No Arduino or other microcontroller required! It is completely stand-alone, just needs a 3 to 5.5VDC battery Small - only 1.9" x 0.85" Built in storage - yep! you don't even need an SD card, there's 16MB of storage on the board itself. Good for ~15 minutes of compressed stereo, and maybe a couple minutes of uncompressed stereo. Double that if you go with mono instead of stereo. If you don't need as much space, we also have a 2MB version. Built in Mass Storage USB - Plug any micro USB cable into the Sound Board and your Windows computer, you can drag and drop your files right on as if it were a USB key Compressed or Uncompressed audio - Go with compressed Ogg Vorbis files for longer audio files, or uncompressed WAV files High Quality Sound - You want 44.1KHz 16 bit stereo? Not a problem! The decoding hardware can handle any bit/sample rate and mono or stereo 11 Tri
Adafruit 9-DOF Absolute Orientation IMU Fusion Breakout - BNO055 [ADA2472]
If you've ever ordered and wire up a 9-DOF sensor, chances are you've also realized the challenge of turning the sensor data from an accelerometer, gyroscope and magnetometer into actual "3D space orientation"! Orientation is a hard problem to solve. The sensor fusion algorithms (the secret sauce that blends accelerometer, magnetometer and gyroscope data into stable three-axis orientation output) can be mind-numbingly difficult to get right and implement on low cost real time systems.Bosch is the first company to get this right by taking a MEMS accelerometer, magnetometer and gyroscope and putting them on a single die with a high speed ARM Cortex-M0 based processor to digest all the sensor data, abstract the sensor fusion and real time requirements away, and spit out data you can use in quaternions, Euler angles or vectors.Rather than spending weeks or months fiddling with algorithms of varying accuracy and complexity, you can have meaningful sensor data in minutes thanks to the BNO055 - a smart 9-DOF sensor that does the sensor fusion all on its own!  You can read the data right over I2C and Bob's yer uncle.The BNO055 can output the following sensor data: Absolute Orientation  (Euler Vector, 100Hz) Three axis orientation data based on a 360° sphere Absolute Orientation  (Quaterion, 100Hz) Four point quaternion output for more accurate data manipulation Angular Velocity Vector  (100Hz) Three axis of 'rotation speed' in rad/s Acceleration Vector  (100Hz) Three axis of acceleration (gravity + linear motion) in m/s^2 Magnetic Field Strength Vector  (20Hz) Three axis of magnetic field sensing in micro Tesla (uT) Linear Acceleration Vector  (100Hz) Three axis of linear acceleration data (acceleration minus gravity) in m/s^2 Gravity Vector  (100Hz) Three axis of gravitational accel
Adafruit NeoPixel Digital RGB LED Strip - Black 60 LED [ADA1461]
You thought it couldn't get better than our world-famous 32-LED-per-meter Digital LED strip but we will prove you wrong! You wanted twice the LEDs? We got it (well, it's 1.875 times as many but that's within a margin of error). You wanted thinner strips? Now only 12.5 mm wide, 10 mm if you remove the strip from the casing. You wanted less noticeable strip color - this strip has black-colored flex PCB, which will be less visible against black-painted walls. This is the strip with black flex PCB, it's identical to the white 60 LED/meter except it has a different color mask on the flex strip.All your dreams answered, yet there are a few things to watch for.First up, the higher density means much higher power usage over a certain distance - 18 Watts max (~3.5 Amps @ 5V) per meter instead of 9.6 Watts max (~2 Amps @ 5V). The max rating is assuming all the LEDs are on full white, usually the actual current for colorful design is about 1/3 to 1/2 the max current. A good power supply such as our 5V 10A supply is key!Second, to get high density, the controller chip is inside the LED, which is kind of cool, but also means that the chip only uses a single pin for input and a single pin for output. The protocol used is very very timing-specific and can only be controlled by microcontrollers with highly repeatable 100nS timing precision. We have example code for using with the Arduino Uno/Mega microcontroller at 8MHz and 16MHz, and with a little effort you can use with the  Raspberry Pi , or  Beagle Bone Black , but it will not work with the Basic Stamp, NETduino, any other interpreted/virtual machine microprocessor or any processor slower than 8 MHz. For those processors,  check our DotStar digital LED strip which has SPI-like input/output  and works easily with Pi, NETduino, and other processors.Third, just because you have all those pixels doesn't mean
Adafruit Feather 32u4 Bluefruit LE [2829]
This is the Feather 32u4 Bluefruit LE - an 'all-in-one' Arduino-compatible + Bluetooth Low Energy development board with built in USB and battery charging. It's an Adafruit Feather 32u4 with a BTLE module. Bluetooth Low Energy is the hottest new low-power, 2.4GHz spectrum wireless protocol. In particular, its the only wireless protocol that you can use with iOS without needing special certification and it's supported by all modern smart phones. This makes it excellent for use in portable projects that will make use of an iOS or Android phone or tablet. It also is supported in Mac OS X and Windows 8+. At the Feather 32u4's heart is at ATmega32u4 clocked at 8 MHz and at 3.3V logic, a chip setup we've had tons of experience with as it's the same as the Flora. This chip has 32K of flash and 2K of RAM, with built in USB so not only does it have a USB-to-Serial program & debug capability built in with no need for an FTDI-like chip, it can also act like a mouse, keyboar
Adafruit I2S Stereo Decoder - UDA1334A Breakout
This fully-featured UDA1334A I2S Stereo DAC breakout is a perfect match for any I2S-output audio interface. It's affordable but sounds great! The NXP UDA1334A is a jack-of-all-I2S-trades: you can use 3.3V - 5V logic levels (a rarity), and can process multiple different formats by setting two pins to high or low. The DAC will process data immediately, and give you a clear, analog, stereo line level output. It's even cool with MCLK-less I2S interfaces such as the Raspberry Pi (which it's ideal for) - a built in PLL will generate the proper clock from the bitclock signal. For inputs, you can use classic I2S (the default) or 16-bit, 20-bit or 24-bit left justified data. You can set it up to take an input system/master clock but we default-set it to just generate it for you, so you only need to connect Data In, Word Select (Left/Right Clock) and Bit Clock lines. If you want, there's a mute pin and a de-emphasis filter you can turn on. There is plenty of ferrite beads, a low-dropout regulator, and the recommended band-pass filter so you get a very nice clean output. With a sine-wave generator we swept through 20-20KHz and saw no attenuation or distortion. Plug into either the 3.5mm stereo headphone jack or the breadboard-friendly pads. We think you'll be pleased with this DAC! Each order comes with one I2S Stereo DAC breakout and some header you can solder on.
Adafruit LED Sequins - Warm White - Pack of 5
Sew a little sparkle into your wearable project with an Adafruit LED Sequin. These are the kid-sister to our popular Flora NeoPixel, they only show a single color and they don't have digital control, but that makes them smaller easier to use for many projects. Simply connect 3 to 6VDC to the + pin and ground to the - pin, and the LED on the board will light up. You can make the LEDs fade and twinkle by using the PWM (a.k.a. analogWrite) functionality of your Gemma or Flora, or just connect directly to a digital I/O pin of a microcontroller to turn on and off. Or even skip the micro altogether, and power directly from a LiPoly or coin battery. This order comes with 5 Warm White "1206 size" LEDs, matched with a 100 ohm resistor. When powered from 3.3V they draw about 5mA so you can put up to 4 or 5 in parallel on a single microcontroller pin. We also have these sequins in ruby red, emerald green, royal blue, and rose pink.
Adafruit Parts Pal [ADA2975]
LEDs and passives and transistors and switches and op-amps oh my! The Adafruit Parts Pal is the ultimate companion for an entry-level maker learning electronics. This kit is your friend whenever you need to build up a project. It contains many of our most popular components  and prototyping parts all wrapped up in one parts pack so you can open up and dig right in. Kit Contents: Prototyping:1x - Storage box with latch1x -  Half-size breadboard 20x - Male/male jumper wires - 3" (75mm) 10x - Male/male jumper wires - 6" (150mm) LEDs:5x - 5mm Diffused green LEDs 5x - 5mm Diffused red LEDs 1x - 10mm Diffused Common-Anode RGB LED Capacitors:10x - 1.0uF Ceramic capacitors10x - 0.1uF Ceramic capacitors 10x - 0.01uF Ceramic capacitors5x - 10uF 50V Electrolytic capacitors 5x - 100uF 16V Electrolytic capacitors Resistors:10x - 560 ohm 5% axial resistors10x - 1K ohm 5% axial resistors10x - 10K ohm 5% axial resistors10x - 47K ohm 5% axial resistorsSemiconductors:5x - 1N4001 Diodes 5x - 1N4148 Signal Diodes 5x - NPN Transistor PN2222 TO-92 5x - PNP Transistor PN2907 TO-922x -  5V 1.5A Linear voltage regulator - 7805 TO-220 1x -  3.3V 800mA Linear voltage regulator - LD1117-3.3 TO-220 1x - TLC555 wide-voltage range, low-power 555 Timer 1x - LM358 Dual operational Amplifier Sensors:1x - Photocell 1x - Thermistor (Breadboard version) 1x - Vibration sensor switch 1x - 10K Breadboard trim potentiometer 1x - 1K Breadboard trim potentiometerMechanical:1x - Piezo buzzer 5x - 6mm Tactile switches 3x - SPDT slide swi
Adafruit Stereo FM Transmitter with RDS/RBDS Breakout - Si4713 [ADA1958]
Yaaar! Become your very own pirate radio station with this FM radio transmitter. This breakout board, based on the best-of-class Si4713, is an all-in-one stereo audio FM transmitter that can also transmit RDS/RBDS data! Wire up to your favorite microcontroller (we suggest an Arduino) to the I2C data lines to set the transmit frequency and play line-level audio into the stereo headphone jack. Boom! Now you are the media. Listen using any FM receiver such as your car or pocket radio receiver - this is an easy way to transmit audio up to about 10 meters / 30 feet away. This transmitter even has RDS/RBDS support - that's text/data transmissions that many modern FM receivers support. (It's how some car radios can display the FM station and current song playing). You can transmit just about any text you want, set the station identifier as well as the 'freeform' buffer. Best of all, you'll be up and running in minutes with our awesome Arduino library, example code and tutorial!