Sprinkler Control System Using AVR-IoT Cellular Mini Using weather data and direct soil measurement using the AVR-IoT Cellular mini, create a smart sprinkler system! By Alex Merchen.

Built using a Microchip AVR-IoT Cellular Mini and a Raspberry Pi Pico W, Alex Merchen's intelligent sprinkler controller monitors soil moisture, humidity, temperature, and weather forecasts before irrigating your lawn — so it only runs when needed.

This trash-handling robot contains a whopping 11 Arduino boards | Arduino Blog A single microcontroller can interface with many other components and handle several different tasks — that’s kind of the whole point. But microcontrollers do have limits and sometimes it makes sense ...

Featuring 11 different Arduino boards, Michael Rigsby's Zeno is a mobile robot that responds to voice commands and 'sees' its surroundings as it collects and disposes of trash.

Compact Industrial DAQ with PID & Motion Control A compact DAQ system combining measurement, PID control, and motion control to simplify industrial and lab setups. By Alireza Noferesti.

The Noora Industrial DAQ is a compact, ATxmega64A3U-equipped data acquisition platform that combines measurement, PID control, and motion control to simplify industrial and lab setups.

Arduino Pinball Machine Using a DVD Display (TM1628) A mini Arduino pinball machine built using a recycled DVD display (TM1628), servo flippers, LEDs and sound effects with real-time scoring. By José Ferreira.

Ztronics upcycled an old DVD player display into an ATmega328-controlled mini pinball machine using servo flippers, LEDs, and sound effects with real-time scoring.

Can Claude Write Z80 Assembly Code? Betteridge’s law applies, but with help and guidance by a human who knows his stuff, [Ready Z80] was able to get a functioning game of Wordle out of the French-named LLM, which is more than w…

Ready Z80 put AI to the test to see if Claude could produce reliable, bug-free Z80 assembly code for the TEC-1G single-board-computer.

Limn: Pen Plotter with Toolchanger I've always wanted to build my own Pen Plotter that can change tools automatically. I've reached the version 2 of my design. Inspired from E3D, the toolchanger uses another small stepper motor to actu...

Prashant Sinha constructed a DIY pen plotter with an automatic tool changer, using components salvaged from an old RepRep-style 3D printer including an ATmega1284P-powered Melzi V2 control board.

Andrii Maliarenko's Glasshouse Core is an ATmega328-based smart greenhouse system with RTC scheduling, PTC heating, a water valve for irrigation, and Pure Data logging: projecthub.arduino.cc/mospak/glass...

Data Critters – Tracing our digital actions through modern scribes Data Critters are custom-built mechanical plotters connected to live data feeds from the platforms they map. They trace paths across paper as data is generated, producing an ever-growing, never-finish...

Data Critters is an interactive installation that turns invisible online behavior into physical marks using custom-built mechanical plotters.

Electromagnetic Graphics Tablet V2 Electromagnetic Graphics Tablet V2: This instructable explains how to make a simple electromagnetic graphics tablet that tracks the position of a handheld “puck” and displays its position on screen. ...

Lingib's ATmega328-equipped electromagnetic graphics tablet tracks the position of a handheld “puck” and displays its position on screen.

Clem Mayer's Austroduino is an ATtiny3226-based, Arduino-compatible dev board designed from scratch using KiCad: community.element14.com/challenges-p...

Robotic birds mimic mating to help bring back vanishing grouse Robotic bird decoys mimic mating rituals to help restore declining sage grouse populations in US national parks.

Engineers are deploying robotic grouse decoys to simulate mating and attract birds back to restored habitats in Wyoming.

Thought we'd 'drop' another project for #ThrowbackThursday!

GaudiLabs' OpenDrop is a modular, SAM D21G-driven digital microfludics platform that uses recent electrowetting technology to control small droplets of liquids: www.gaudi.ch/OpenDrop/?p=...

KSTR-SAMA5D27 Single Board Computer by Conclusive Engineering YouTube video by Conclusive Engineering

Conclusive Engineering's KSTR-SAMA5D27 is an ultra-compact single-board computer that packs a Microchip SAMA5D27 processor, delivering efficient performance for secure IoT and industrial applications.

Painting the Time on Flip Sequins Sequino is a robotic clock that swaps pixels for flip sequins, using an H-bot system to "paint" the time on a shimmering canvas.

Ekaggrat Singh Kalsi's Sequino is an ATmega328-controlled robotic clock that writes the time using flip sequins as its display.

Noora Industrial DAQ An open platform with industrial data acquisition, automation control, and motion control in a single integrated device

The Noora Industrial DAQ is a compact industrial platform that combines data acquisition, control, and communication in a single device.

SolarTrap created an ATtiny85-equipped, music-reactive LED wristband that's perfect for festivals like Coachella: www.reddit.com/r/ArduinoPro...

8-Channel Digital Output Board -MCP23008 I2C GPIO- by EA Control Tech on Tindie Compact 8-channel digital output board using MCP23008 I2C expander. Ideal for embedded systems, PLC interfacing, and automation projects.

EA Control Tech designed a compact eight-channel digital output board using an MCP23008 I2C I/O expander — ideal for embedded systems, PLC interfacing, and automation projects.

Clem Mayer built a battery-powered desktop calculator from scratch using an ATtiny3226 along with mechanical keys and a 20x4 alphanumeric LCD to crunch numbers: community.element14.com/challenges-p...

Oceanic Measurement & Environmental Geo Array A compact underwater survey system that collects depth, position, and environmental data from a moving ROV and converts those measurements into bathymetric maps and georeferenced outputs. Measurements...

Developed by Jonathan Capone, OMEGA (Oceanic Measurement & Environmental Geo Array) is an ATmega2560-driven underwater survey system that collects depth, position, and environmental data from a moving ROV and converts those measurements into bathymetric maps.

Banan-a-Synth: Packed with Sounds + Make Your Own Instrument A banana synth filled with sounds. Play directly or use conductivity to make your own instruments and control effects.

MicroKits' Banan-a-Synth is a banana-shaped synthesizer that turns bananas and other conductive objects into musical keys that you can play.

Predict the Weather with an ATtiny85 Predict the weather with an ATtiny85! This clever DIY gadget uses the Zambretti algorithm to turn barometric data into a local forecast.

Get the local weather forecast at the press of a button with DowntownBass4556's ATtiny85-powered gadget.

WellWatch During summer droughts we use a shallow well as a holding tank for irrigating the plants around a farm. The issue is, the well is VERY shallow, and the farmers (my parents), are somewhat forgetful. On...

Jesse Farrell's WellWatch is an ATtiny1616-based water level monitoring system that watches a shallow farm well as it fills and automatically controls a solenoid to prevent accidental overflows.

Eidolon_2003 fabricated their own AT28C256 EEPROM reader/burner on a homebrew single-sided PCB: www.reddit.com/r/electronic...

This Robot Plays With Mechanical Perfection on Any Guitar Bring the concert home with this Arduino-powered robot that attaches to any guitar to play your favorite tracks with mechanical perfection.

This Arduino-controlled attachment turns any guitar into a robotic performer, using multiple servos to strum tunes with mechanical perfection.

Alejandro Fernández built a compact oscilloscope using an ATtiny85 and an OLED display: www.instructables.com/A-Simple-and...

Walking the course this weekend? Automate your golf cart with remote and cruise control, plus other features like an odometer and shot distance measurement: projecthub.arduino.cc/sarge_4499/d...

ATtiny85-based UART watchdog ATtiny85-based UART watchdog for real-time communication monitoring and autonomous system recovery in embedded and IoT applications By laksindu janith.

Laksindu Janith created an ATtiny85-based isolated UART watchdog for real-time communication monitoring and autonomous system recovery in embedded systems.

I Built a FAST Rubik's Cube Solver Robot YouTube video by Tobias Tech

Tobias Tech's ATmega2560-driven robot can solve a Rubik's cube in seconds.

Creative Electronic Mind turned a dozen of discarded ATmega128 MCUs into a pair of LED-lit cube earrings: www.instructables.com/Microcontrol...

This week's #TBT project pays homage to '70s computing! Phil Tipping's PlasMa simulates a mini/mainframe system in an ATmega2560-equipped, desktop-sized box containing real lights and switches: www.philizound.co.uk/plasma/plasm...