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Driving an 8×8 (64) LED Matrix with MAX7219 (or MAX7221) and Arduino Uno
8×8 matrix Demo Hi guys, today we will be focusing on displaying mini graphics and texts on an 8×8 LED matrix using the MAX7219 (or MAX7221) LED driver and the Arduino Uno. The 8×8 LED matrix displays...
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Espressif Systems is bringing voice enabled kit to makers and developers
Voice Assistants are becoming more widely accepted, devices like Amazon Echo, Sonos On, and Google Home devices are seeing the larger market share. The mounting interest in voice assistants and...
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R-78S switching regulator boosts a AA battery to 3.3V
Recom’s first evaluation board allows engineers to effortlessly test the functionality of the R-78S switching regulator, which boosts a AA battery or external supply voltage to 3.3V for low power IoT...
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Researches Solve Problems of Organic Thin Film Transistors By Developing...
Amorphous silicon-based Thin-film transistors (TFTs) are the foundation of many modern-day technologies, such as smartphones and flat-panel TVs. Still, it comes with a few drawbacks like performance...
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Visible Things Industrial IoT Starter Kit
Simplify and secure your IoT solution with Avnet Silica’s complete evaluation and reference platform, Visible Things. It connects smart devices right to the cloud and enterprise software, and supports...
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3.5A Unipolar Stepper Motor Driver
Unipolar stepper motor driver can drive unipolar stepper motor up to 3.5A and supply range is 10 To 50V DC. The board has been designed using STK672-442AEN IC. The STK672-442AN is a hybrid IC for use...
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PMOD HAT Adapter Expansion for the Raspberry Pi
In the ever-increasing uses cases for the Raspberry Pi, one major way to add an extra functionality to the Raspberry Pi is making use of Pmod Modules. Pmod devices or modules are trademarks of Digilent...
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35V Hot Swappable Supercapacitor Backup Power Controller
Analog Devices announces the Power by Linear LTC3351, a supercapacitor charger and backup power controller IC that includes hot swap front-end protection and all the features necessary to provide a...
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PIXO Pixel – An ESP32 Based IoT RGB Display
PIXO Pixel uses an ESP32 to control a matrix of 256(16×16) RGB LEDs. It is an IoT device that can display information via Wifi and BLE. The PIXO Pixel is an open source RGB display that uses the very...
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USB Armory: Open Source USB Stick Computer
An open source USB stick computer for security applications. The USB Armory is full-blown computer (800MHz ARM® processor, 512MB RAM) in a tiny form factor (65mm x 19mm x 6mm USB stick) designed from...
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Pulurobot – An Open Source Heavy Load Bearing Application Robot Powered by...
If you have seen the starship delivery robots by Starship Technologies, you will know how cool delivery robot can be. Pulurobotics have released a set of low-cost opensource robots that are capable of...
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HoneyWell´s Small, High Performance Pressure Sensor
Honeywell is a technology company working towards connecting the world. They are currently working on connected homes, buildings, plants (such as refineries), warehouse, workers, aircrafts, vehicles,...
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Infinite Noise true random number generator
This is an Open hardware USB true random number generator coming soon on crowdsupply.com The Infinite Noise TRNG is an affordable and secure true random number generator (TRNG) based on a modular...
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SODAQ ONE board – GPS + LoRa + Solar charger
This is the third generation of our succesful SODAQ ONE board. It is equipped with a solar charge controller and runs on a LiPo or a permanent battery. It has the Ublox Eva 8M GPS module which is not...
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Infrared repeater using AVR mcu
Madis Kaal @ nomad.ee designed a infrared repeater based on ATMEL AVR + TSOP1738 infrared receiver. He writes: I built this MCU based infrared repeater to allow me to control my A/V equipment that is...
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Adafruit Feather 328P – Arduino Uno on the Feather Family
Adafruit Feather 328P is the latest addition to the ever-expanding feather family boards manufactured by Adafruit. The Adafruit Feather development boards are a set of development boards made by...
View ArticleESP32 E-Paper Thermometer with a DS18B20 Sensor
Our friends on educ8s.tv published a new video. Check it out. In this ESP32 project video, we are going to use an E-Paper display and a DS18B20 temperature sensor to build a low-power thermometer. We...
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Low Cost/Voltage 3W Class-D Stereo Audio Amplifier for Portable Gadgets
This low cost low voltage 3W class-D stereo amplifier is based on PAM8403 IC, The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction....
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Understanding Flash Memory And How It Works
Flash memory is one of the most widely used types of non-volatile memory. NAND Flash is designed for modern file storage which replaced old disk drives. This article provides a brief understanding of...
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First Orange Pi SBC Powered By Rockchip’s Hexacore SoC Can Run Android 6.0...
ARM hacker board vendors and commercial x86-centric board vendors are following Firefly’s lead in experimenting with Rockchip’s ARM-based SoCs. These new single-board computers (SBC) offer x86-type...
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