• NEW GUIDE: Adafruit PCA9548 8-Channel STEMMA QT / Qwiic I2C Multiplexer #AdafruitLearningSystem #Adafruit @adafruit @blitzcitydiy
    von Liz Clark am Oktober 19, 2022 um 1:45 pm

    The PCA9548 gives you a way to get up to 8 same-address I2C devices hooked up to one microcontroller – this multiplexer acts as a gatekeeper, shuttling the commands to the selected I2C port with your command.The Adafruit PCA9548 8-Channel STEMMA QT / Qwiic I2C Multiplexer guide has everything you need to get started with

  • Singing Haunted Pumpkin #ElectronicHalloween
    von Kelly am Oktober 13, 2022 um 12:30 pm

    Bring on haunted pumpkin season! Excellently creepy build + write-up from Arnov Sharma up on Hackster.ioSinging Pumpkin is basically a Arduino Music Player that runs Creepy Music from an SD Card Reader, whole setup is powered by an Arduino Nano HAPPY HALLOWEEN! All month we’ll be bringing you ideas and projects for an Electronic Halloween!

  • Making a Gear Cutting Machine Controlled by Arduino
    von gareth branwyn am Oktober 13, 2022 um 3:30 am

    It’s amazing what makers can now create using readily available stepper motors, aluminum extrusion beams, 3D printed parts, and MCUs like Arduino. In this Mr. Innovative video, he builds a tabletop gear cutting machine. And it’s always great that public comments allow people to offer useful feedback on how to improve one’s creation (as they

  • UPDATED GUIDE: Arduino to CircuitPython #AdafruitLearningSystem #Adafruit @adafruit @BlitzCityDIY
    von Liz Clark am Oktober 7, 2022 um 9:30 pm

    The Arduino to CircuitPython Guide has had some updates to the Working with Numbers, Variables, types and scope and Time pages. The updates are a mix of updates as a result of the evolution of CircuitPython and guide feedback.Check out the full guide: Arduino to CircuitPython

  • 13 Great Arduino Projects to Try
    von gareth branwyn am September 30, 2022 um 3:00 pm

    The YouTube channel ToP Projects Compilation has a round-up of 13 really enticing projects, from a robot bartender, to boxing glove game controllers, fitness tracker, and more. Links to all of the projects are in the video description.

  • NEW GUIDE: Adafruit ENS160 MOX Gas Sensor #AdafruitLearningSystem #Adafruit @adafruit @blitzcitydiy
    von Liz Clark am September 28, 2022 um 7:37 pm

    You can build a digital nose with the ENS160 Gas Sensor, a fully integrated MOX gas sensor. This is a very fine air quality sensor from the sensor experts at ScioSense, with I2C interfacing so you don’t have to manage the heater and analog reading of a MOX sensor. It combines multiple metal-oxide sensing and heating elements

  • HackSpace Magazine: Adafruit Metro Mini 328 V2 @HackSpaceMag @Raspberry_Pi
    von Anne Barela am September 23, 2022 um 1:37 pm

    HackSpace Magazine Issue 59 reviews the Metro Mini 328 V2:Although Arduino-compatible boards are not as difficult to find in stock as a Raspberry Pi, they can still be challenging to source. The revamped Adafruit Metro Mini 328 V2 is a 5 V, 16MHz, Arduino-compatible board that fits right into the STEMMA QT and Qwiic Connect

  • NEW GUIDE: Adafruit TCA8418 Keypad Matrix and GPIO Expander Breakout #AdafruitLearningSystem #Adafruit @adafruit @blitzcitydiy
    von Liz Clark am September 22, 2022 um 6:21 pm

    The TCA8418 has the ability to act as your I2C multi-tool for handling keypads, buttons or LEDs. It has 18 total ‘I/O’ pins, 10 columns and 8 rows. Additionally, it has a 10-element event queue, so even if you don’t get to the interrupt immediately, keypress and release events will be held for you.The Adafruit

  • NEW GUIDE: Adafruit 24LC32 I2C EEPROM Breakout #AdafruitLearningSystem #Adafruit @adafruit @blitzcitydiy
    von Liz Clark am September 20, 2022 um 6:30 pm

    If you want to store calibration values, MAC addresses, non-secure access tokens, or other unique identifiers, EEPROM storage is a great option. The Adafruit 24LC32 I2C EEPROM breakout comes with 32 Kbit (4 KByte) of storage, and handy chainable Stemma QT connectors, it’s just the right amount of simple I2C-controllable storage. Since its external to

  • UPDATED GUIDE: Adafruit MacroPad RP2040 #AdafruitLearningSystem #Adafruit @adafruit @BlitzCityDIY
    von Liz Clark am September 14, 2022 um 7:30 pm

    The Adafruit MacroPad RP2040 Guide has been updated to include a page on using the MacroPad with External Hardware. The page details how to attach hardware to the onboard STEMMA QT port using both CircuitPython and Arduino.Check out the full guide: Adafruit MacroPad RP2040

  • Arduino IDE 2.0 is finally released #Arduino @Arduino
    von Anne Barela am September 14, 2022 um 3:15 pm

    Today Arduino announced that Arduino IDE 2.0 has moved to stable and is available for download. It has a modern editor and provides a better overall user experience thanks to a responsive interface and faster compilation time.Feature highlights: Autocomplete during sketch editing Dark Mode Arduino Cloud Serial Plotter (The Serial Monitor and Plotter can be

  • EZ Link Bluefruit with ESP32 Arduino Upload Test
    von phillip torrone am September 12, 2022 um 6:51 pm

    we’re trying to revive the old EZ-Link Bluefruit design from many years ago – originally done with a CSR chipset that became very hard for us to get. ESP32 is a lot easier and the original chip has BT classic support – required for BT SPP which is what we’re using. This test uses the

  • NEW GUIDE: Adafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor #AdafruitLearningSystem #Adafruit @adafruit @blitzcitydiy
    von Liz Clark am September 8, 2022 um 3:15 pm

    The Adafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor connects to your Lipoly or LiIon battery and it will let you know the voltage of the cell and decodes the non-linear voltage to get you a valid percentage as well. To use, connect a 1S 3.7-4.2V Lithium Ion or Polymer battery to one

  • NEW GUIDE: Controlling Objects in Unity with a 9 DoF Sensor and Arduino #AdafruitLearningSystem @Adafruit @BlitzCityDIY
    von Liz Clark am August 31, 2022 um 6:05 pm

    A new guide today in the Adafruit Learning System: Controlling Objects in Unity with a 9 DoF Sensor and ArduinoUnity is one of the most widely used game engines for developing video games. In this guide, you’ll learn how to integrate your Arduino based hardware projects with your Unity projects to create interactive experiences. Data from

  • Set up ESP-NOW communications for ESP8266/ESP32 using Arduino #ESP32 #Espressif #Arduino @programmingelx
    von Anne Barela am August 30, 2022 um 3:49 pm

    Programming Electronics Academy on YouTube provides a beginners tutorial for using ESP-NOW technology using Arduino for ESP32 and ESP8266 boards.ESP-NOW is a fast, connectionless communication technology featuring short packet transmission. ESP-NOW is ideal for smart lights, remote control devices, sensors and other applications. ESP-NOW applies the IEEE802.11 Action Vendor frame technology, along with the IE

  • NEW GUIDE: Adafruit ESP32-S3 TFT Feather #AdafruitLearningSystem #Adafruit @adafruit
    von Kattni am August 26, 2022 um 7:30 pm

    A Feather with ESP32-S3 and a TFT!This is the Adafruit ESP32-S3 TFT Feather. It’s got all the delicious creamy goodness features of a Feather main board, the comforting warmth of an ESP32-S3 WiFi+BLE microcontroller, and the crispness of a 240×135 pixel color TFT display.The Adafruit ESP32-S3 TFT Feather guide has everything you need to get

  • UPDATED GUIDE: Deciphering Strange Arduino Code
    von PhilB am August 16, 2022 um 5:16 pm

    UPDATED GUIDE: Deciphering Strange Arduino CodeThis is a guide about weird code. Not necessarily bad code, but weird.It explains a few lesser-seen elements of C syntax. “The Arduino language” is really C++, which is basically C with added flavor crystals. C was developed back in the early 1970s and has become one of the most

  • Automating a Geiger Counter with an ESP8266 or ESP32 #Feather #Arduino #ESP32
    von Anne Barela am August 16, 2022 um 1:58 pm

    Adding an Adafruit Feather Huzzah ESP8266 or ESP32 v2 + a FeatherWing 128×64 OLED to a MightyOhm Gieger Counter to automate data collection: WhyzaGC. I am always on the lookout for unique and interesting kits to build which led to me discovering the MightyOhm Geiger kit. While there are a couple of other Geiger kits

  • Using the Adafruit Feather Huzzah With AWS IoT #ESP8266 #AWS #MQTT #IOT @Adafruit @BrianEnigma
    von Anne Barela am August 12, 2022 um 2:10 pm

    NetNinja documents using the Adafruit Feather Huzzah with AWS IoT and the Arduino IDE.I’m now looking at a new project that could use the instant reaction times of MQTT messaging and which would also need other infrastructure living in AWS. I thought it would be good to post my own setup instructions and sample code

  • NEW GUIDE: Adafruit MMC5603 – Triple-axis Magnetometer #AdafruitLearningSystem #Adafruit @adafruit @blitzcitydiy
    von Liz Clark am August 11, 2022 um 6:15 pm

    Sense the magnetic fields surrounding us with this handy triple-axis magnetometer (compass) module. Magnetometers can sense where the strongest magnetic force is coming from, generally used to detect magnetic north, but can also be used for measuring magnetic fields. This sensor tends to be paired with a 6-DoF (degree of freedom) accelerometer/gyroscope to create a

  • Diy Basketball Scoreboard
    von Ben am August 7, 2022 um 8:00 pm

    Collin-Wentzien made this high quality wireless scoreboard. Perfect for school games and more! Full details on Electro Maker io:My name is Collin and I am a 16 year old maker. Today I’m going to show you how I built a scoreboard back in 2019 (when I was 13 years old); featuring a wireless controller, bright

  • Measuring supply voltage of AVR chips via software @MicrochipMakes
    von Anne Barela am August 3, 2022 um 3:20 pm

    MCUVoltage measures the voltage supply (Vcc) of Arduino without extra components. Supported board includes Uno, Leonardo, Mega as well as the ATtiny3224/3226/3227. This library also supports oversampling and averaging. Hardware oversampling for the ATtiny3224/3226/3227 is also supported. While the Vcc is often assumed to be 5V for the Arduino, it is often not the case.

  • Chip Shortage: Toshiba TB6612FNG Motor Driver #ChipShortage @Adafruit
    von Anne Barela am Juli 28, 2022 um 1:50 pm

    Chip Shortage (video) is a feature video by Adafruit’s Ladyada to highlight items that are in short supply or possibly “unobtainium” (with no known return date to the market).This week it is the Toshiba TB6612FNG Motor DriverDigi-Key uses the chip for motor control products 18,000 in Dec 2021, still owed 6,000 pieces. Please

  • UPDATED GUIDE: ST 9-DoF Combo Breakouts and Wings #AdafruitLearningSystem #Adafruit @adafruit @BlitzCityDIY
    von Liz Clark am Juli 27, 2022 um 5:15 pm

    Add high quality motion, direction and orientation sensing to your project with these all-in-one 9 Degree of Freedom (9-DoF)  FeatherWings and breakouts with sensors from ST.The ST 9-DoF Combo Breakouts and Wings guide has been updated to include the newest STEMMA QT 9-DoF breakout: the LSM6DS3TR-C + LIS3MDL breakout board. A new Pinouts page has been

  • NEW GUIDE: Adafruit LSM6DS3TR-C + LIS3MDL – Precision 9 DoF IMU #AdafruitLearningSystem #Adafruit @adafruit
    von Liz Clark am Juli 27, 2022 um 2:15 pm

    Add motion, direction, and orientation sensing to your project with this all-in-one 9 Degree of Freedom (9-DoF) sensor. This little breakout contains two chips: an ST LSM6DS3TR-C 6-DoF IMU accelerometer + gyro and an LIS3MDL 3-axis magnetometer. Together, they provide 9 degrees of full-motion data.The Adafruit LSM6DS3TR-C + LIS3MDL guide has everything you need to get started with using this 9-DoF

  • UPDATED GUIDE: Adafruit DRV2605L Haptic Controller Breakout #AdafruitLearningSystem #Adafruit @adafruit @BlitzCityDIY
    von Liz Clark am Juli 22, 2022 um 1:30 pm

    The DRV2605 Haptic Controller Breakout, now with STEMMA QT, is a fancy little motor driver designed specifically for controlling haptic motors – buzzers and vibration motors.The Adafruit DRV2605L Haptic Controller Breakout guide has been updated to include the STEMMA QT version of the boards. There is now an updated Pinouts page, new wiring diagrams, and new resources

  • Using distance to change the color of a light #Arduino #NeoPixel @thinklearndo1
    von Anne Barela am Juli 21, 2022 um 7:37 pm

    rgb_distance is a simple sonar sensor and color (RGB) led project to show off different levels of color channels using physical objects.It uses three HC-SR04 sonar sensors, a microcontroller, and a NeoPixel RGB LED.See the code and more on GitHub. MIT open license. Made a color changing project based on distances from 3x sonar sensors,

  • Shellminator – a simple-to-use Arduino terminal interface library #Arduino
    von Anne Barela am Juli 20, 2022 um 1:36 pm

    Shellminator is a simple-to-use terminal interface library. You can use it with any VT-100 terminal emulator like PuTTY, Terraterm or minicom. With this library, you can create user-friendly command line interfaces for your embedded projects. It’s under an MIT license.Shellminator has command history support, that means you can browse your previous commands with the arrow keys on the keyboard.The library is

  • Japan Display Inc. library for Arduino #Arduino #Displays @NotTheWorstDev
    von Anne Barela am Juli 19, 2022 um 1:23 pm

    GitHub user Gbertaz has written an Arduino library for interfacing microcontrollers with Memory In Pixel Displays produced by Japan Display Inc. It is MIT licensed. The library should also work with the Memory In Pixel Displays produced by Sharp (such as LS027B7DH01 or LS044Q7DH01) because they seem to share the same protocol. The only difference with the JDI

  • NEW GUIDE: Adafruit LSM6DS3TR-C 6-DoF Accel + Gyro IMU #AdafruitLearningSystem #Adafruit @adafruit
    von Liz Clark am Juli 13, 2022 um 5:30 pm

    Add motion and orientation sensing to your project with this affordable 6 Degree of Freedom (6-DoF) sensor with sensors from ST. The board includes an ST LSM6DS3TR-C, a great entry-level 6-DoF IMU accelerometer + gyro. The 3-axis accelerometer can tell you which direction is down towards the Earth (by measuring gravity) or how fast the board is accelerating

  • UPDATED GUIDE: Adafruit 4-Channel ADC Breakouts #AdafruitLearningSystem #Adafruit @adafruit @BlitzCityDIY
    von Liz Clark am Juni 29, 2022 um 7:15 pm

    The ADS1115 and ADS1015 4-channel breakout boards, now with STEMMA QT, are perfect for adding high-resolution analog to digital conversion to any microprocessor-based project.The Adafruit 4-Channel ADC Breakouts guide has been updated to include the STEMMA QT version of the boards. There is now a Pinouts page, new wiring diagrams, and new downloads resources.Check out

  • NEW GUIDE: Adafruit QT Py ESP32-S3 #AdafruitLearningSystem #Adafruit @adafruit
    von Liz Clark am Juni 21, 2022 um 8:30 pm

    The ESP32-S3 has arrived in QT Py format – and what a great way to get started with this powerful new chip from Espressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this QT Py is great for powering your IoT projects.The Adafruit QT Py ESP32-S3 guide has everything you need

  • Use old DB15 game port joysticks on USB with this adapter #Retrocomputing #VintageComputing @necro_ware
    von Anne Barela am Juni 21, 2022 um 1:30 pm

    Many people from the retro community still have their beloved joysticks and gamepads from the early days. These devices often live their lives somewhere in the dark corners of our basements and we don’t dare to throw them away, because of nostalgic reasons. They remind us so much of our childhoods, where we played our

  • CubeTouch is a nice looking, PCB-based touch input device
    von Anne Barela am Juni 17, 2022 um 1:23 pm

    CubeTouch is a USB HID (input) device built using six patterned circuit boards. It is programmable to do things when touched. Inside is a CH552 microcontroller and it can be reprogrammed with the Arduino IDE.It is apparently coming to Tindie, but is now on at the time of this post.See the video below about the

  • NEW GUIDE: Adafruit QT Py ESP32 Pico #AdafruitLearningSystem #Adafruit @adafruit
    von Kattni am Juni 7, 2022 um 8:45 pm

    The cutest ESP32!This dev board is like when you’re watching a super-hero movie and the protagonist shows up in a totally amazing costume in the third act and you’re like ‘OMG! That’s the hero and they’re here to kick some serious butt!” but in this case its a microcontroller.This QT Py ESP32 Pico is a

  • Make event driven Arduino applications with the MicroQt library
    von Anne Barela am Juni 7, 2022 um 5:37 pm

    MicroQt is an Arduino library that enables event driven applications on the Arduino platform. This is realized by load monitoring event loops, timers and signals similar to those in the Qt framework.Features Signals Signals make it easy to implement the observer pattern while avoiding the boilerplate code. You can send signals with type-correct event information

  • Series B funding round of $32 million for Arduino
    von phillip torrone am Juni 7, 2022 um 2:47 pm

    Series B funding round of $32 million for Arduino – “So today, we dial up our vision for universal innovation with a clear strategy to expand our portfolio for professionals, supported by a Series B funding round of $32 million led by the global deep tech investor Robert Bosch Venture Capital (RBVC), joined by Renesas,

  • New Guide! Mini GIF Players #Arduino #CircuitPython #3DPrinting
    von Noe Ruiz am Juni 2, 2022 um 2:00 pm

    Build your own mini TFT display that plays GIF images! 3D Print your own case that looks like retro TV or a portable gaming console.Learn Guide – Feather RP2040 1.9″ TFT Display 1.47″ TFT Display Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication

  • NEW GUIDE: Adafruit NAU7802 24-Bit ADC – STEMMA QT / Qwiic #AdafruitLearningSystem #Adafruit @adafruit
    von Liz Clark am Juni 1, 2022 um 6:15 pm

    If you are feeling the stress and strain of modern life a Wheatstone bridge and you want to quantify it, this handy breakout will do the job, no sweat! The Adafruit NAU7802 contains a super-high-resolution 24-Bit differential ADC with extra gain and calibration circuitry that makes it perfect for measuring strain gauges / load cells or other sensors that

  • NEW GUIDE: Video Nub Shank ESP32 QT Py Video Injector @adafruit @johnedgarpark #adafrui
    von John Park am Mai 25, 2022 um 6:34 pm

    NEW GUIDE ALERT! John Park’s Video Nub Shank: ESP32 QT Py Composite Video InjectorYou: an 80s-style cyberpunk hacker who’s got to spread your video message to the people. Jam this tiny, battery powered video nub shank into a state-of-the-art composite video input of a “television” and run! Use the QT Py ESP32 Pico to build

  • NEW GUIDE: How To Install Drivers for WCH USB to Serial Chips #AdafruitLearningSystem @Adafruit
    von Liz Clark am Mai 24, 2022 um 3:05 pm

    A new guide today in the Adafruit Learning System: How To Install Drivers for WCH USB to Serial ChipsCertain boards, like the ESP32 Feather V2, have a USB to serial converter chip that communicates between the processor and your computer. These chips require drivers to be installed on your computer’s operating system.This guide will show you

  • NeoTrellis Interface For VCV Rack Software Synthesizer @adafruit @johnedgarpark #adafruit #eurorack
    von John Park am Mai 15, 2022 um 6:42 pm

    Behold this awesomeness! PatchworkBoy has written a set of Arduino sketches to add a bidirectional physical interface to the free and open-source VCV Rack software Eurorack synthesizer.It uses both an 8×8 NeoTrellis with Feather M4 and a NeoTrellis M4 to interact with a 64 step trigger sequencer module from Trowasoft and some MIDI mapping modules

  • The Big Mouth Singers
    von Ben am Mai 15, 2022 um 2:00 pm

    We, as a society, seem to be unable to let certain things go. Fish singing on walls was a novelty you’d think would dissipate pretty quickly, and yet… YouTuber Kevin Heckart has had a lot of fun hacking together Big Mouth Billy Bass et al with Alexa to harmonize TikTok trends!How it works:Check out more!

  • NEW GUIDE: Adafruit VL53L4CX Time of Flight Distance Sensor #AdafruitLearningSystem #Adafruit @adafruit
    von Liz Clark am Mai 6, 2022 um 3:30 pm

    The Adafruit VL53L4CX Time of Flight Sensor is another great Time of Flight distance sensor from ST in the VL5 series of chips. This one is great for long distances – it goes up to 6 meters compared with 4 meter max of the VL53L1X.The Adafruit VL53L4CX guide has everything you need to get started with your time of flight distance

  • ESP32 Arduino 2.0.3 is out, based on ESP-IDF 4.4.1 #Espressif #ESP32 #Arduino
    von Anne Barela am Mai 5, 2022 um 7:26 pm

    The ESP32 core for Arduino 2.0.3 has been released, based on the ESP-IDF 4.4.1 software development kit.Here is just a sampling of the multitude changes and fixes: Fixes String(float) issue with Stack Smashing by @SuGlider in Fixes String(float) issue with Stack Smashing #6138 Allows user to bypass PSRAM test and boot faster with WROVER by @SuGlider in Allows user to bypass PSRAM

  • NEW GUIDE: Working with Multiple Same Address I2C Devices #CircuitPython #AdafruitLearningSystem @Adafruit
    von Carter am Mai 4, 2022 um 4:02 pm

     A new guide in the Adafruit Learning System: Working with Multiple Same Address I2C DevicesRunning into coding issues and address conflicts trying to connect several of the same I2C device breakout? This goes into more depth on working with multiple copies of the same I2C device, which most likely have the same I2C address. Getting

  • Making a Thermal Camera using Teensy 4.0 and a MLX90640
    von Anne Barela am Mai 3, 2022 um 6:29 pm

    Jannik posts about a thermal camera build.It’s time to share my latest project This started with that I wanted to check the house for heat loss, but also be able to check electrical things for pre-failure.The project uses a Teensy 4.0 microcontroller board, a Thermal Camera using MLX90640 and an ST7789(240×240)/ILI9341(320×240+touch) display.The project is

  • Prototyping a New Product
    von gareth branwyn am April 29, 2022 um 5:00 pm

    In this video, Bob Clagett of I Like to Make Stuff runs through a project that he wants to develop into a product. The idea is to turn an Arduino-controlled ping-pong table scoring system into something he can take to market.The video touches on the issues you need to consider when developing a product, from

  • A Mini-Tutorial on Using GitHub for Arduino Projects
    von gareth branwyn am April 25, 2022 um 4:00 pm

    In this Andreas Spiess video, he provides an excellent 16-minute tutorial on why GitHub is essential to anyone working in software development and makers doing microcontroller projects.He covers downloading libraries and projects, creating a project Fork, publishing a project on GitHub, and how to create a Pull Request (how you alert others to changes you’ve

  • Emulating a 80’s Transputer with a Raspberry Pi Pico #VintageComputing #Emulation @Raspberry_Pi
    von Anne Barela am April 25, 2022 um 2:07 pm

    The transputer chips designed in the early 1980s were and still are odd beasts. It has hardware support for processes (hence OS in hardware, well, sort of), and its assembly language is such a pain that Occam is a much better way to program it. It’s a language that is close to the hardware and