Archives for April 2021

3D motion tracking system could streamline vision for autonomous tech

6*24 Led Matrix Using Arduino And 74HC595 Shift Register V

A Better LoRa QWERTY Messenger

Air Quality Analyzer using Arduino and Nova PM Sensor SDS011 to Measure PM2.5 and PM10

Arduino Dog Food Dispenser V

Arduino Light Following Robot With LDR V

Arduino Password Protected Lock With 4*4 Keypad And Lcd V

Arduino Radar V

Arduino Voltmeter V

ATtiny13A PCB Star Wearable V

Battery parts can be recycled without crushing or melting

Brainwaves and Eye-blinks Drive a Truck V

Build a machine learning node for Node-RED using TensorFlow.js

Build a Solar-Powered Weather Station

Burn Prevention Alert System V

China launches first module of new space station

“Colloidal gels,” ubiquitous in everyday products, divulge their secrets

Complete Mechanical 7 Segment Display V

Connect LCDs With NodeMCU and Arduino V

Connect Your Adafruit Feather RP2040 to The Things Network

DIY Automated Watering System V

Elephant-trunk-shaped Robotic Arm Performs Daily Interactions like Human

Energy-saving gas turbines from the 3D printer

Exoplanet is Gobbling Up Gas and Dust as it Continues to Build Mass

Fedora Linux 34 is officially here!

General Purpose Countdown Timer V

Gesture Controlled Car using NRF24L01 and MPU6050 V

Handheld Arduino LED Matrix Thermometer V

Help you sleep with an ESP8266 projector V

How to Build Benchtop Router Table V

How to get salt out of water: Make it self-eject V

Ion Beams Mean a Quantum Leap for Color-Center Qubits

IOT Based Air Monitoring Mesh System V

Key Finder Device V

LED Cube 4x4x4 very easy code with shift registers V

Less Innocent Than it Looks

Linux Kernel 5.12 Released, This is What’s New

Machine learning algorithm helps unravel the physics underlying quantum systems

Microchip Announces the Expansion of Its Radiation-Hardened Arm Microcontroller (MCU) Family for Space Systems

Nanostructured device stops light in its tracks

NASA’s Ingenuity Mars Helicopter Flies Faster, Farther on Third Flight V

NASA’s Ingenuity Mars Helicopter Logs Second Successful Flight V

NASA’s SpaceX Crew-2 Astronauts Headed to International Space Station

New 2D superconductor forms at higher temperatures than ever before

New frontier for 3d printing developed state-of-the-art soft materials able to self-heal

New Law of Physics Helps Humans and Robots Grasp the Friction of Touch

New Views of Mars Thanks to Intel Tech

NTP Based Digital Clock Panel Driver

NVIDIA Announces CPU for Giant AI and High Performance Computing Workloads

Orbital Marine launches world’s most powerful tidal turbine

Paper Pi Handheld

Particle Accelerator Demo V

Patching up your health

Polymer-Based Coatings on Metallic Implants Improve Bone-Implant Integration

Pulse Oximeter and Heart Rate Monitor

Radio astronomers discover 8 new millisecond pulsars

Raspberry Pi Floppy Controller Board V

Raspberry Pi Zero USB Copier

Reducing blue light with a new type of LED that won’t keep you up all night

Regent is making a flying electric ferry with a top speed of 180 miles per hour

Renesas Expands FemtoClock Timing Portfolio for High-Performance Communications and Data Center Applications

Researchers Demonstrate Fully Recyclable Printed Electronics

Rfid Lock System V

Room Light Monitoring Project Using Z-Score Analysis

Sailor Hat with ESP32

Samsung’s Highest Performing SAS Enterprise SSD to Take Server Storage Performance to Next Level

Sensors eliminate sparking risk in hydrogen vehicles

Simple Button Controlled Stepper Motor With Raspberry Pi Pico

Simple Stepper Motor Analyzer V

SMART investigates the science behind varying performance of different colored LEDs

Solar-Powered Crypto Mining with Raspberry Pi

Stepino V

STMicroelectronics Unveils Next-Generation MEMS Accelerometer for High-Performance Automotive Applications

Temperature Datalogger for PT1000 Probes

Tensegrity Planter

The Future Looks Bright for Infinitely Recyclable Plastic

The MagPi 105

The Next Full Moon Is a “Supermoon” Pink Moon

Twist-to-Set Kitchen Timer V

With Goals Met, NASA to Push Envelope With Ingenuity Mars Helicopter

Workspace Environment Device V

Xilinx Announces Full Production Shipments of 7nm Versal AI Core and Versal Prime Series Devices


3 Phase Isolated Hall-effect Current Sense Amplifier with +/-600V Working Voltage and +/-46A Measurement Range V


A Hacker’s Nightmare: Programmable Chips Secured by Chaos

A tool for navigating complex computer instructions

Advanced Light Source Upgrade Project Achieves Major Milestone V

Aluminum-anode batteries offer sustainable alternative

Arduino LED Skateboard V

Arduino Wifi iNaturalist Display V

As Artemis Moves Forward, NASA Picks SpaceX to Land Next Americans on Moon V

ATTiny85 Arduino programming - good collection of projects

Automatic Writing Machine V

b-parasite - An Open Source BLE Soil Moisture Sensor

Battery Analyzer MkII: Alkalines

BioAmp EXG Pill V

Bistable pop-up structures inspired by origami V

Blue Origin aces ‘astronaut rehearsal’ New Shepard test flight V

Boosting Fiber Optics Communications with Advanced Quantum-Enhanced Receiver

Brain-on-a-chip would need little training

Burglar Alarm

Can A $4 Raspberry PI PICO Run an AI Project? V

Clemson physicist’s thermoelectric material discovery sets stage for new forms of electric power in the future

Climate Chamber System

Combining Light, Superconductors Could Boost AI Capabilities

DIY Arduino Adapter for the NRF24L01

DIY | Hand Gestures Controlled Car Using Arduino | NRf24l01 | MPU6050 V

DIY SDR DSP Radio with Raspberry Pi and RTLSDR Dongle V

DIY Smartglasses V

Dual-Level Float-Cum-Boost Charger with Pre-Charge for 12V – 3 to 6Ah Sealed Lead Acid (SLA) Batteries V

Earth Day 2021: Stream Research

Electrifying cement with nanocarbon black

Electronic Game Buddy V


Fast radio bursts shown to include lower frequency radio waves than previously detected

First Automotive-Qualified, Single-Chip Solution for Large, Ultrawide Touch Displays Now Available

fpx: easy USB‑C power for all your devices

GSM based Home Appliance Control V

HackSpace magazine #42

Helpful, engineered ‘living’ machines in the future?

How to Make 2.4 GHz band Scanner With NRF24L01

Inspired by nature, the research to develop a new load-bearing material

IoT Twitter Follower Tracker and Status Notifier V

LED Ringlamp With WS2812B Led Strip V

Line Follower Robot using Pico V

Low-Loss Silicon Nitride Served up on a Wafer

Materials advances are key to development of quantum hardware

Moving towards a circular economy for more sustainable housing

Multiphase Oscillator with 40% Spread Spectrum Frequency Modulation and 250Khz Output Frequency V

NASA’s Ingenuity Mars Helicopter Succeeds in Historic First Flight V

NASA’s Perseverance Mars Rover Extracts First Oxygen from Red Planet

NAU mechanical engineers develop new high-performance artificial muscle technology

New conductive polymer ink opens for next-generation printed electronics

New material could better protect soldiers, athletes and motorists

New process breaks down biodegradable plastics faster

NVIDIA Sets AI Inference Records, Introduces A30 and A10 GPUs for Enterprise Servers

One Giant Leap For Waferscale AI

Phone Thermometer Using Digispark Attiny85 V

PhotoStax - Digital ePaper Photo Frame V

Pico Portal Music Box V

Piper Make With the Raspberry Pi Pico

Primordial black holes could explain dark matter, galaxy growth and more

Programmable Arduino Remote Control V

Rapid characterisation of carbon 2D materials

Raspberry Pi Pico IoT Demo - W5500 Ethernet + NeoPixel LED

Renesas RX MCU Becomes World’s First General-Purpose MCU to Obtain CMVP Level 3 Certification Under NIST FIPS 140-2 Security Standard

Resistor Sorter V

Reverse-engineering a vintage comparator chip

Room Weather Station V

RP2040 Module

Smart Stethoscope Powered by Edge Impulse V

Solar E-ink Weather Station

Stanford engineers find ankle exoskeletons can greatly increase walking speed V

Study: ‘Fingerprint’ for 3D printer accurate 92% of time

Tailing new ideas V

Teaching Arduino to print telegrams V

Time Catcher - Awesome LED Project Using Arduino V

To Design Truly Compostable Plastic, Scientists Take Cues From Nature

Toast Test—Simulated Testing of Indoor Spaces for COVID Spread V

Transparent nanolayers for more solar power

Ubuntu 21.04 is here

Ultimate Nodemcu clock

Understanding Interfaces of Hybrid Materials with Machine Learning

Uniquely sharp X-ray view

Very low power temp and humidity monitor with min and max

Water and quantum magnets share critical physics

Xiao CV Sequencer V

Xilinx Introduces Kria Portfolio of Adaptive System-on-Modules for Accelerating Innovation and AI Applications at the Edge

Zork on ESP32 with VGA, PS2 and SD V

3D-printed Material to Replace Ivory

3D Printer Bed Leveler Tool V

A breakthrough that enables practical semiconductor spintronics

A Molecule That Responds to Light

ACS730 500kHz Oscilloscope Current Probe

Altair 8800 Arduino Emulator With a Virtual Front Panel V

Arduino Clock (without rtc) with temperature and humidity

Art Glove V

Automatic LED

Autonomous Solar-powered Irrigation & Monitoring Station V

Auxin visualized for the first time

Bluetooth controlled LED matrix V

Blynk Home Automation with Multiple ESP32 & NodeMCU Network V

Bridging the gap between old and new, garage door gets a Wi-Fi controller V

Cardboard MIDI Drum Pad V

Characterisation of soil properties using a simple device

CMU’s Snakebot Goes for a Swim

Digital Isolator from STMicroelectronics Boosts Performance and Reliability Using New Thick-Oxide Galvanic Isolation Technology

Discovery could help lengthen lifespan of electronic devices

Dutch researchers establish the first entanglement-based quantum network V

Electronic Depth Gauge for Dremel Drill Press V

Elon Musk’s Boring Company Las Vegas Loop proves quite boring in first rides – no Autopilot yet

Fast-spinning black holes narrow the search for dark matter particles

Finally, 3D-printed graphene aerogels for water treatment

First 3D-printed Proton-conductive Membrane Paves Way for Tailored Energy Storage Devices

Following atoms in real time could lead to better materials design

FreeBSD 13.0-RELEASE Announcement V

FSU engineers improve performance of high-temperature superconductor wires

Giant Electronic Conductivity Change Driven by Artificial Switch of Crystal Dimensionality

Hankook’s crazy transforming wheels inspired by origami waterbombs V

How to add W5500 Ethernet to Raspberry Pi Pico (Python) - 1

In a first, scientists watch 2D puddles of electrons spontaneously emerge in a 3D superconducting material

IoT | Telegram Fingerprint Door Lock and Surveillance Camera

It’s About Time!

Lane Tech HS - Stepper Motor Spinning Spool Project

LEDs Ring Oscillator V

Little swirling mysteries: New research uncovers dynamics of ultrasmall, ultrafast groups of atoms

Machine learning at speed

Make Your Own Stopwatch With Arduino V

MaskCam: A Jetson Nano AIoT Mask Detection Camera

Monkey MindPong V

Moving toward a clean-energy future by advancing fuel cell technology

MPU6050 1-Axis Gimbal V


New machine learning tool converts 2D material images into 3D structures

New NASA Visualization Probes the Light-bending Dance of Binary Black Holes V

New “Quantum” Approach Helps Solve an Old Problem in Materials Science

nRF53 Apple Watch

NVIDIA Unveils NVIDIA DRIVE Atlan, an AI Data Center on Wheels for Next-Gen Autonomous Vehicles

Open Source Power Delivery Software Enables Code Integration for USB System Differentiation

Over 100 million IoT devices and servers are vulnerable because of 20-year-old TCP/IP stacks

Picosecond electron transfer in peptides can help energy technologies

Pineapple ONE

Renesas Strengthens RL78 Family of Low-Power MCUs with 16-Bit General-Purpose RL78/G23

Researchers Develop New Method For Putting Quantum Correlations To The Test

Robot Arm with Smartphone Control BLE and Arduino V

Samsung Introduces PixCell LED for Intelligent Headlight Systems to Enhance Road Safety

Samsung’s EYELIKE™ Fundus Camera Repurposes Galaxy Smartphones To Improve Access To Eye Care

Scientists uncover a process that stands in the way of making quantum dots brighter

Sensitive qubit-based technique to accelerate search for dark matter

Simple Lux Meter (Light Intensity Meter) Based on BH1750, Arduino and Oled Screen

Simple Weather Station V

Space Invaders Game on 8x8 Homemade LED Matrix V

STMicroelectronics Introduces New MasterGaN4 Devices for High-Efficiency Power Conversion up to 200 Watts

The PicoPicorder Project V

The whitest paint is here – and it’s the coolest. Literally

ThimbleKrox - Mouse Control with Your Fingers

Toward deep-learning models that can reason about code more like humans

UV Exposure Box


Work Progresses Toward Ingenuity’s First Flight on Mars

1.2V to 50V @ 3A – Adjustable Power Supply with 55Vdc Input V

2,400 LED Icosahedron (20 Sided) V

3W Stereo Differential Input CLASS-D Audio Amplifier with UP/DOWN Volume V

4x4x4 Led Cube Making

555 Fizzle Loop Synth V4 V

A New Material Enables the Usage of “Calcium” for Batteries

A new state of light V

A Spigot That Streams Digits of Pi V

A Swiss Army Knife for Genomic Data

Actor in a Supporting Role: Substrate Effects on 2D Layers

AMD and Xilinx Stockholders Overwhelmingly Approve AMD’s Acquisition of Xilinx

Analog Knobs on Raspberry Pi 400 with CYBERDECK Hat V

Arduino Omnidirectional Car V

Arduino Snake LED Game V

Building a DIY Arduino Yarn Ball Winding Machine V

Control sit/stand Desk height with a touch screen

Customizable Random Number Generator V

DehneEVSE - Open source EV charging station V

Designing Selective Membranes for Batteries Using a Drug Discovery Toolbox

Distant stars spiralling towards a collision give clues to the forces that bind sub-atomic particles

DIY Arduino Audio Modulated (misical) Tesla Coil V

DiY Mini Laser Engraver Machine V

DSP for FPGA: Using Xilinx DDS with Custom FIR

ESP32 Walkie-Talkie V

Finger Bend V

First results from Fermilab’s Muon g-2 experiment strengthen evidence of new physics V

Frequency Counter With Variable Gate Time

Galvanic Isolated 8 Channel High-Side Switch (0.6A per channel) V

Gas leakage Detector system

Genesis Celebrates Launch In China With Dazzling, World Record-breaking Drone Show Over Shanghai’s Iconic Skyline V

Giant radio pulses from pulsars are hundreds of times more energetic than previously believed

Graphene ‘smart surfaces’ now tunable for visible spectrum

Hacker friendly USB hub

High Side Switch with Input Overvoltage and Overcurrent Protection V

How a Moving Platform for 3-D Printing Can Cut Waste and Costs V

How to connect RPi Pico to WiFi and send phone notifications

How to use GSM For SMS Send Receive and Call V

Individually Addresable Outputs V

Industry’s first DC/DC controllers with an integrated active EMI filter enable engineers to achieve the smallest low-EMI power designs

Integrated 1.5A Synchronous Regulators from STMicroelectronics Simplify High-Efficiency Power Conversion

Intel Launches Its Most Advanced Performance Data Center Platform

Keyword Spotting with the SAME54 Curiosity Ultra

Latest EmDrive tests at Dresden University shows “impossible Engine” does not develop any thrust

LED Snowboard with Motion-Reactive Animation V

Low Voltage Lead Acid Battery Disconnect board – Prevents Deep Discharge Of 12V Lead Acid Battery V

Making a Alarm Clock That Asks Questions Randomly

Mars helicopter Ingenuity unlocks its rotor blades to prepare for 1st flight on Red Planet

Micro Quadcopter in OpenSCAD V

NASA’s Odyssey Orbiter Marks 20 Historic Years of Mapping Mars

New 3D microbatteries stand up to industry standard thin-film counterparts

New computing algorithms expand the boundaries of a quantum future

New Intel Processors Accelerate 5G Network Transformation

On the phone monitor V

Pico Phone

POINTER: Seeing Through Walls to Help Locate Firefighters

Qubits Comprised Of Holes Could Be The Trick To Build Faster, Larger Quantum Computers

Raspberry Pi Pico: Sound activated RGB LED matrix V

Renesas Launches RX23W Module with Bluetooth for System Control and Wireless Communication on IoT Devices

Researchers at U of T and LG develop ‘explainable’ artificial intelligence algorithm

Robot lizard can quickly climb a wall just like the real thing

Scientists At Cern Successfully Laser-cool Antimatter For The First Time

Scientists Get Closer To Redefining The Length Of A Second

Searching for the unknown

Seeing Quadruple

Self Balancing Ball and Beam using PID control V

Sensorless FOC 3 Phase Low Power Brushless BLDC Motor Driver V

Serial Debugger With Display V

Serial Monitor With ILI9341 and BluePill

Series, Parallel, Kirchhoff V

Simple Indoor Air Quality Monitor

Skoltech scientists create a new electronegativity scale

Software STM32 S/PDIF decoder

SpaceX launches another 60 Starlink satellites into orbit and sticks rocket landing V

Spin Defects Under Control

Study shows promise of quantum computing using factory-made silicon chips

TClock - Tissue Box Clock

The muon’s magnetic moment fits just fine

The Spintronics Technology Revolution Could Be Just a Hopfion Away

Thermal Power Nanogenerator Created Without Solid Moving Parts

Thin cuprous iodide film will enable better optoelectronic devices

This Hydrogen Fuel Machine Could Be the Ultimate Guide to Self-Improvement

To cool datacenter servers, Microsoft turns to boiling liquid

USB Real Time Clock for Raspberry Pi (USB RTC) V

Voice Loudness Monitor

Why Shortages of a $1 Chip Sparked Crisis in Global Economy

Zen Table V

8x40 LED Matrix Clock Using DS3231 RTC Module and Arduino V

8x8 Haptic Wordclock V

A Low-Cost Potentiostat for Sensing Applications

A robot that senses hidden objects V

A Skoltech method helps model the behavior of 2D materials under pressure

A streamlined approach to determining thermal properties of crystalline solids and alloys

A Tiny Logic Probe TTL / CMOS with Battery Charger

Adjustable Super Clamp

Animated LED Clock V

Arm’s solution to the future needs of AI, security and specialized computing is v9

Army moves Microsoft HoloLens-based headset from prototyping to production phase

Attiny LED Letter Keychain V

Automated Overhead Camera Assistant for Instructional Videos V

Bathroom Ventilation Fan Controller

Breaking records like baking bread

Cellular Signal Heatmap with Raspberry Pi Pico and GPS V

Century-old problem solved with first-ever 3D atomic imaging of an amorphous solid V

Chamber Heater For Small Resin Printers

Cistercian Digital Clock V

Controlling bubble formation on electrodes

Deciphering the secrets of Printed Electronics

DHT22 Sensor with 16x2 LCD Screen

Discord Security Camera with an ESP32 V

DIY Game Controller V

DIY home automation greenhouse V

DIY Motion Controller V

DIY Multi-Turn Potentiometer (Using Worm Gear Mechanism) V

DIY Unusual Arduino Linear Clock V

DIY USB Midi Controller With Arduino: a Beginner’s Guide V

Dual Cores & Interrupts on Pi Pico

ECG Display With Arduino

Emissions-free energy system saves heat from the summer sun for winter

ESP32 usb software host

First nRF5340 modules eliminate processor trade-off for developers

Fully Customizable Foot

Gamer Assist Haptic Feedback System for Games Using Esp8266 V

Go ahead for Dark Matter experiment

Hack Your Car With Wio Terminal and CAN Bus

Hacking eInk Price Tags

Home Security System using ESP32-CAM and Telegram App V

Homing in on longer-lasting perovskite solar cells

How to Make a Wooden Engraving Pantograph

How to Make an AC Softstarter V

How To Teach a Computer To Interpret Text

Illuminated Cubes V

IoT LoRa Sensor Module and Gateway

Lab-made hexagonal diamonds stiffer than natural diamonds

Live Energy Monitor

Low-cost solar-powered water filter removes lead, other contaminants V

Matrix-Tree V

Molecules in Flat Lands: an Entanglement Paradise

NASA’s Curiosity Mars Rover Takes Selfie With ‘Mont Mercou’

New early warning system for self-driving cars

New nanotransistors keep their cool at high voltages

New RA6M5 Group from Renesas Completes Mainstream Line of RA6 Series Arm Cortex M33-Based MCUs

NTU Singapore scientists design ‘smart’ device to harvest daylight V

One-bit Computing at 60 Hertz

Optimized joining technology is opening the door to the safe use of hydrogen in the aviation industry

Pancake strategy for the win

Picoth - 2FA Auth with Pi Pico V

Portable Portrait Painter V

Quantum material’s subtle spin behavior proves theoretical predictions

Researchers demonstrate first human use of high-bandwidth wireless brain-computer interface

RGB LED Sphere V

Samsung Develops New 5G Radio Technology for Efficient 5G Deployments in Mid-Band Spectrum

Solar BEAM Marble Machine V

SpaceX launches Starship SN11 rocket prototype, but misses landing V

STM32-based Custom Gaming Keypad With RGB (Originally Made for Osu!) V

STOP Face Touching Device V

Sussex scientists develop ultra-thin terahertz source, paving the way to next generation of communication tech

The KeebCard, an open-source, low-power, mechanical switch computer keychain

Timer With TM1637 and Arduino

Tiny AVR Programmer

TinyCharger - Single Cell Li-Ion Battery Charger with Monitoring

Turning Wood Into Plastic

Uranium compound achieves record anomalous Nernst conductivity

Using a Thermal Printer Mechanism V