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Easily run your ATtiny at 16MHz, without an external clock, from the Arduino IDE

Hardware components: Atmel ATTiny85 × 1 SparkFun Tiny AVR Programmer × 1 Software apps and online services: Arduino IDE   STORY Introduction The Atmel tinyAVR MCU’s (ATtiny) are a series of chips optimized for applications requiring performance and/or power efficiency in a small package. These have internal clocks that runs at 8 …

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Projects

Node-RED with Xiaomi Mijia Bedside Lamp (Wi-Fi and Bluetooth)

In this tutorial we’ll show you how you can integrate the Xiaomi Mijia Bedside Lamp with Node-RED. The Xiaomi Mijia Bedside Lamp is a smart lamp with built-in Bluetooth and Wi-Fi. It can be controlled with touch, using the Yeelight app, or using an home automation platform like Node-RED. To …

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Projects

ESP32 Arduino async server: Controlling HTTP methods allowed

In this ESP32 tutorial, we will check how to control the HTTP methods allowed for requests made to routes of the HTTP async web server. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. … Continue reading → Source: https://techtutorialsx.com/ Read the original article: …

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Projects

Photoresistor Light Sensor Arduino

A simple light sensor can be built using a photoresistor and Arduino UNO board. This design requires only a few additional components like 10k resistor and a 10k potentiometer to adjust the light intensity level to trigger the circuit. Photo… Read more › Source: http://www.picmicrolab.com/ Read the original article: Photoresistor …

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News

Kid’s kitchen beeps with the help of an Arduino

While Roald Hendriks is quite pleased with the build quality of the IKEA DUKTIG play kitchen, it does lack one thing—the ability to say “beep.” This feature was requested by his daughter, who for her third birthday wanted “a kitchen that says beep, just like mommie’s.” Not wanting to disappoint, …

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News

Rotary encoders and Arduino combine for awesome universal remote

In his latest hack, “Matlek” has come up with an entirely new take on the universal remote, using a pair of rotary encoders instead of an array of buttons to output up to 400 individual signals. One 20-step encoder in his remote selects the device to be controlled, while the …

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Projects

CCTV Raspberry Pi Based System with Storage using MotionEyeOS

In this project Julian is going to show you how to build a complete Raspberry Pi based home surveillance system in which you can manage all your cameras from one single place using MotionEyeOS. The system built also allows you to save your frames from all your cameras in a …

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Projects

What’s the Best Raspberry Pi Camera For Your Project?

In this post Julian is going to show you several options of cameras for the Raspberry Pi. He will compare its specifications and run some tests to analyse the pictures taken from each of them in different scenarios. After the tests, you should be able to pick up the most …

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News

Automatic guitar strumming with Arduino Uno and chopsticks

If you like to make music, but don’t consider yourself particularly talented, YouTuber Make It And Fake It has come up with an innovative solution. Her device uses an Arduino Uno, along with a hobby servo motor to move a pair of chopsticks that holds the pick. This means that …

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ESP Boards

Using oddball ESP boards with TASMOTA – Part II

I’m not going to go too deeply into the specific hardware I used for my own project, but instead just give a couple of tips on using the Yellow board as a base for your own creations.  First of all there’s that row of red LEDs.  While they make for …

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