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The Timex Datalink Notebook Adapter emulator for Arduino emulates the Timex Datalink Notebook Adapter for early Timex Datalink watches in Arduino! It is 100% compatible with the original Notebook Adapter, and works with vintage and modern computer hardware.The early Datalink watches receives data over light, and the original intent was to take advantage of a flashing electron beam on a

Fun project from Mirko Pavleski up on Hackster.io!Simple to build, addictive arcade game, where the player tries to stop an led scrolling around a circle at a specific spot.The build uses our NeoPixel Ring – 16 x 5050 RGB LED with Integrated Drivers.

The Adafruit RP2040 CAN Bus Feather comes ready with a microcontroller, CAN chipset, and terminal blocks. The controller used is the MCP25625 (aka an MCP2515 with built-in transceiver), an extremely popular and well-supported chipset that has drivers in Arduino and CircuitPython and only requires a SPI port and two pins for chip-select and IRQ. Use

The PiCowbell DVI is the same size and shape as a Raspberry Pi Pico and is intended to socket underneath to make your next video output project super easy. Mini HDMI connector for use with standard HDMI cables? Yes! STEMMA QT / Qwiic connector for fast I2C? Indeed. Reset button and extra switch for restarting

Come on by for JP’s Product Pick of The Week! A new product pick will be revealed. The show airs at 4pm ET / 1pm PT, TODAY!Check out the livestream right here inside this product page —  you won’t want to miss it because there will be a HUGE DISCOUNT during the show! Tune in

John Loeffler documents on Hackaday an Uno compatible board with some nice extras.All the components are on the bottom giving ample space to clearly label all the pins and even label the second and third function of spme pins. The Goal of the Uno Plus+ it to take the Arduino Uno, and make it even

The Adafruit PiCowbell CAN Bus lets you use a Raspberry Pi Pico or Pico W to connect to CAN bus networks for automotive or robotics projects. It has a MCP2515 controller and TJA1051/3 transceiver! The MCP2515 is an extremely popular and well-supported chipset that has drivers in Arduino and CircuitPython and only requires a SPI

The Feather RP2040 ThinkInk has a 24-pin connector that just about every small-medium size eInk display made these days is compatible with. This Feather will add all the power supply support circuitry and level shifting so you can attach your favorite display – we’ve tested it with up to 5.6″ sized 7-color ACeP displays. Driver

The Adafruit Feather RP2040 with USB Host is double-the-fun of our other Feather RP2040 boards, with a USB Type A port on the end for connecting USB devices to. There is a PIO peripheral that can be used to emulate a USB host peripheral. You get to keep the main USB port for uploading, debugging,

Rarely does building a treehouse require welding, grinding, painting, riveting, bending, crimping, plumbing, brazing, laser cutting, sound design, printed circuit board fabrication, thousands of lines of C code, distributed network protocols, sewing and embroidery. RULAV has it all.The RULAV is a hexagonal capsule, 7.5 feet (2.3 meters) high, atop a tripod 7.5 feet (2.3 meters)

A new and updated guide in the Adafruit Learning System: Adafruit Feather RP2040 RFM69 by Kattni RemborThis is the Adafruit Feather RP2040 RFM69 Packet Radio (868 or 915 MHz). We call these RadioFruits, our take on an microcontroller with packet radio transceiver with built-in USB and battery charging. It’s an Adafruit Feather RP2040 with a RFM69HCW 900MHz radio module cooked in! Great

A new guide today in the Adafruit Learning System: Feather RP2040 DVI Video SynthIn this project, you’ll use a Feather RP2040 with DVI Output to build a fun and funky video synth. The Feather runs Arduino code written with the Adafruit Fork of the PicoDVI library. All you’ll need is USB power and an HDMI

Loren Konkus Posts:For the past year, I’ve been exploring creating and deploying inexpensive trail counters as a hobby. This nifty counter uses a cheap microwave sensor, an Adafruit ESP32-S2 reverse TFT Feather, and an Adalogger to note trail usage in a .csv file on a microSD card. Simple stuff, but a very fun practical project.You

The Analog Devices ADT7410 is an I2C temperature sensor, with 16-bit 0.0078°C temperature resolution and 0.5°C temperature tolerance. Wire it up to your microcontroller or single-board computer to get reliable temperature readings with ease, now with STEMMA QT connectors.The Analog Devices ADT7410 Breakout guide has been updated for the new STEMMA QT version of the

Inspired by Hackaday’s coverage of Siren Elise Wilhelmsen’s knitting clock, Kyle Rankin decided to build one of his own. Since details on the build from the original artist were sparse, he had to reverse engineer how the device worked. He identified that a knitting clock is essentially a knitting machine with a stepper motor replacing

Tod Kurt had been testing the upcoming Adafruit Feather RP2040 with DVI board. This project provides visualization of MIDI notes. The ability to output video using a microcontroller provides new opportunities. At present it is in Arduino.See more below via YouTube and on Twitter and Mastodon.

Such a fun project! (Did it remind anyone else of this scene from The Skulls? Am I the only person who remembers that movie? )Check out more details from JBV Creative on YouTube.To my surprise, it actually worked! Flingbot created paintings that far exceeded my own personal ability to paint (This was the main reason

What do you get when you connect an ESP32 to a keyboard, an OLED, the Internet, and the ChatGPT API? “I am putting myself to the fullest possible use, Dave, which is all I think that any conscious entity can ever hope to do.”Here’s another ChatDuino build.

Bob of I like to Make Stuff combined a gas sensor (including methane) and an Arduino to create a “fart detector.” Hook it up to a hazard light, stash it under a chair, and hilarity ensues.

Steve dropped by the Adafruit Show and Tell show last night and demonstrated a PCB for controlling solenoids.SolenoidControl for Six Solenoids. PCB w/parts. Control with Arduino. No delays in code, only millis. You can adjust on and off times in code. No breadboarding. Ready to go. MOSFETS. 12 volt.See the video above and the Show

Emily Velasco is a staple of the making community with her compelling projects. The latest is just as compelling if not off the beaten path: Your Pet Eye. It started with a simple idea: What if a video game was really bad?Well, no, that’s not entirely accurate. It started when I got an Adafruit Hallowing in my

かとうひさし (Twitter user @HisashiKato) posts (translated from Japanese):Adafruit QT Py RP2040, Pico-PIO-USB and TinyUSB for Arduino USB host, USB keyboard and USB mouse of USB Host Library and USB connection sample of DUALSHOCK4 of PS4 are added, and mix it with atmosphere programming…. It’s amazing that you can use them simultaneously via a USB hub.Check

The PiCowbell Adalogger is the same size and shape as a Pico and is intended to socket underneath to make your next data logging or data reading project super easy. Micro SD card socket? Yes! STEMMA QT / Qwiic connector for fast I2C? Indeed. Real Time Clock with battery backup for accurate timekeeping? Of course!The

The Reverse TFT Feather comes with the 240×135 color TFT display on the back-side not the front-side. That makes it great for panel-mounted projects, especially with the included buttons. It’s like an all-in-one display interface development board, powered by the fantastic ESP32-S3 WiFi module.The Adafruit ESP32-S3 Reverse TFT Feather has everything you need to get

Most excellent project video and tutorial from maker hans andersson.I could happily watch the clock all day.A digital clock using sliding grids to show or hide the segments of the digits. Each minute the sliders move in a synchronized manner to show the current time. The clock is powered by an Arduino Mega and it

These breakouts are three in one: an ATtinyxxx development board, a seesaw board, and a STEMMA QT I2C controller or peripheral! This mini development board lets you design with ATtinyxxx, or acts as a little I2C-controlled friend to do all the timing-sensitive things many microcontrollers and microcomputers are not good at.The Adafruit ATtiny Breakouts with seesaw

LCDs are a fun and easy way to have your microcontroller project talk back to you. We wanted to make a ‘backpack’ (add-on circuit) that would reduce the number of pins without a lot of expense. By using simple I2C and SPI input/output expanders we have reduced the number of pins (only 2 pins are

If you’re planning a technically-complicated costume, it might serve you well to start building now for Halloween. To help, Hackaday features a guide from Ikkalebob on how to produce a compact animatronic eye mechanism using Adafruit parts.The eye is inspired by mechanisms used in professional animatronics. However, that doesn’t mean it’s hard to build. Complex

The NeoKey BFF is designed to fit onto the back of any QT Py or Xiao board to build a one-key keyboard. It has a Kailh socket, where you can plug in any MX-compatible switch and it has a reverse mount NeoPixel to light-up your switch.The Adafruit NeoKey BFF guide has everything you need to

The microSD Card BFF has a micro SD card slot that can fit on the back of your miniature dev board. It uses the three SPI pins plus one chip select pin to access megs or gigs of data. Onboard is a slim, high quality Molex push-pull micro SD card socket. Since the QT Py

The same Feather you know and love, with the TFT on the backside!Welcome the Adafruit ESP32-S2 Reverse TFT Feather! It’s basically our ESP32-S2 TFT Feather but with the 240×135 color TFT display on the back-side not the front-side. That makes it great for panel-mounted projects, particularly since we’ve also got some space for 3 buttons

Wokwi is an embedded systems and IoT simulator supporting ESP32, Arduino, and the Raspberry Pi Pico. Your code never leaves your computer – Wokwi runs the simulation inside VS Code, using the firmware binaries from your project.Features Supported architectures: RISC-V, ARM, Xtensa, and AVR. Huge library of electronic components: sensors, LEDs, LCDs, motors, relays, etc.

A number of binary watches have been made over the years, with the latest one by Instructables user Taifur.I focused on the aesthetic of the PCB as I am going to keep it open from any type of casing. Intentionally I kept the trace of the top PCB layer free from solder mask so that

Japanese YouTuber Mutekimaru Channel set up a fishtank to play Pokemon. A camera tracks the fish’s position in the tank to indicate controller inputs. The video above goes through the whole set up. After one unfortunate game crash the fish actually end up making an eShop purchase and revealing the credit card info!More from Sora

Arduino Day, the annual celebration of the Arduino ecosystem of hardware and software, has been announced for March 25, 2023. Details are to follow.via Twitter.

The Adafruit IoT Button with NeoPixel BFF can attach to the back of a QT Py or Xiao board. Onboard is single tactile switch and a single NeoPixel RGB LED. Perfect for compact IoT projects.The Adafruit IoT Button with NeoPixel BFF guide has everything you need to get started with using the IoT Button BFF.

Becky Stern is back with another of her excellent Digi-Key electronics tutorials. In this one, she covers the basics of Arduino I/O, both analog and digital.

The PCA9546 1-to-4 STEMMA QT I2C multiplexer lets you get up to 4 same-address I2C devices hooked up to one microcontroller – this multiplexer acts as a gatekeeper, shuttling the commands to the selected set of I2C pins connected with STEMMA QT cables.The Adafruit PCA9546 4-Channel STEMMA QT Multiplexer guide has everything you need to

This is the type of project that seems pretty over the top to most, but completely genius if you’re the member of your household in charge of moving the trash cans. In the end, the build is really well done, esepcially considering the many complicated factors involved.See the full video from Max Maker here on

The PCA9546 1-to-4 I2C multiplexer lets you get up to 4 same-address I2C devices hooked up to one microcontroller – this multiplexer acts as a gatekeeper, shuttling the commands to the selected set of I2C pins.The Adafruit PCA9546 4-Channel I2C Multiplexer guide has everything you need to get started with using the I2C multiplexer breakout.

The Infineon team recently create their own version of this mechanical 7 segment display. It is a really fun project for a funky large scale clock or display! In this video I’ll be showing you how to build your own two digit mechanical seven segment display using an Arduino Mega and micro servos. You’ll need

Natasha wanted to make a lit-up animated Birthday cake. She turned to using NeoPixel color LEDs, inside the cake!!What’s better than birthday candles? LED animations of course! In this video we’ll tackle the age old question: can you embed LEDs into a birthday cake? Using flexible LED matrixes and an Arduino, Natasha explores how to

Max Maker from Germany got tired of rolling out all of his various trash cans from the back yard to the street. So, he created an Arduino Uno-powered, rack and pinion-driven Trash Train that delivers the cans to where they’re picked up in the front yard. Building the systems was a long and complicated process,

Tired of rummaging for your remote every time you get up from the couch? This Arduino project pauses and plays your TV automagically!I’m often tired when I sit down to watch TV at the end of a day, so I want the experience to be as easy as possible. One simple improvement I’ve dreamt about

The IS31FL3731 will let you get back to that classic LED matrix look, with a nice upgrade! This I2C LED driver chip has the ability to PWM each individual LED in a 16×9 grid so you can have beautiful LED lighting effects, without a lot of pin twiddling. Simply tell the chip which LED on

hanzlica on instructables shares how to make an Operation-like game with the Grinch. Be careful though, it is Christmas day and the Grinch’s small heart grew three sizes.This large-scale Grinch Operation Box is reminiscent of a childhood favorite game. The goal is to remove the Grinch’s bones without touching other parts of the box. If

On the Adafruit Forums, user hydrophyte shares a fascinating project: This is a phytoplankton culture setup in a wall-mount clear plastic cylinder with additional brackets holding electronics enclosures + air pump. This kind of affordable small air pump tends to wear out fast, so it runs just one minute per hour: probably adequate for occasional

The Arduboy is a handheld game console with open source software, based on the Arduino hardware platform. In the episode of Pioneers in Open Source above, Jay speaks with the creator of the Arduboy, Kevin Gates about his game console. They chat about how he developed it, his background and how open source played a

The Adafruit MOSFET Driver is great for driving motors, inductors, high power LEDs, single-color LED strips, or other loads up with to 1.5 Amps continuous draw, 3 Amp peak. This board has a simple plug-and-play JST PH (2mm pitch) input connector for solderless use. Provide power (from 3V up to 30V) and signal (3V to

Our most recent display breakouts have come with a new feature: an 18-pin “EYE SPI” standard FPC connector with flip-top connector. This is intended to be a sort-of “STEMMA QT for displays” – a way to quickly connect and extend display wiring that uses a lot of SPI pins. This breakout board that brings all the