Projects involving the ESP8266 module have been popping up all over the place. With its tiny form factor, impressive capabilities, and a price of well under $10, why not? Billed as the “Swiss Army Knife of Wi-Fi Security,” theESPTool uses this device to demonstrate how easy it is to crack a wireless password or jam your Wi-Fi so you can’t access the Internet. Sounds great, right?
The PicoDuino is an ATtiny85 based microcontroller development board similar to the Arduino line highly inspired by DigiSpark , only cheaper (if you add price of any shield, because all arduino boards is unusable without shields, Picoduino integrating I2C pull-up, relay driver and RGB led). With the ability to use the familiar Arduino IDE ( Digispark version is highly recommended ) the PicoDuino is a great way to jump into electronics, or perfect for when an Arduino is too big or too much.
In this project we are going to show you, how to build a smart home prototype in quick and fast ways using Intel Edison board, Node-Red ( The visual programming language for IoT) and Android phone. We are going to integrate three important aspects of the smart home system : Security, Monitoring and Controlling.
***UPDATE***Hi Everyone! Firstly thank you for all the support and feedback, the community here is awesome :)Here are answers to some questions: Why did you make this?I wanted to make a portable computer that had a full sized keyboard.
It’s not that easy to describe PocketC.H.I.P in a couple of words, as it’s so versatile. It’s a Debian based portable Linux computer with a resistive touchscreen and battery, but also a retro gaming console thanks to PICO-8, as well as a hardware development platform for IoT application with expansion header providing access to I/Os including GPIOs, I2C, SPI, UART…, and WiFi and Bluetooth connectivity. Furthermore you can easily dismantle the device, in order to use the CHIP board, based on Allwinner R8 Cortex A8 processor, for a different project.
Ardio is a MIDIsynthesizer. It listens on all MIDI channels for regular MIDI data. It is a 16 channel Arduino based audio device. Software and schematics are designed by email@example.com. The PCB design is by Sebastius. One arduino takes care of the MIDI processing, the other two get commands ("play a note on pin x, this frequency") via i2c.
The DHT11 (or DHT-11) uses a proprietary 1 wire communication protocol. According to the datasheet timing must be precise.
Data transmission is initiated by pulling the data bus low for about 18 ms and keep it HIGH for about 20-40 μs before releasing it. Subsequently, the sensor responds to the data request by pulling the data bus LOW for 80 μs followed by 80 μs of HIGH. Data is sent in packets of 40 bits (5 bytes) via the data line with the most significant bit at the beginning.
Our plan with this project is to develop a complete opensource and cheap device for scientific experiments (data collection and analysis) and diagnostics (if they are "microscopy based"). So far we were able to perform some proof of principle experiments in life sciences (Fluorescence and calcium imaging, opto and thermo genetics essays) and to perform diagnostics of the following parasites: Loa loa, Brugia Malayi, Wuchereria bankrofti, Schistosoma eggs, Mansonella perstans
Onion Omega board was first introduced in 2015. The tiny OpenWrt Linux board featured an Atheros AR9331 processor with GPIO headers, and various baseboards and add-ons. The company has now launched a...
This project utilizes a 22 x 13 matrix of addressable RGB LEDs to visualize a weather forecast pulled from the Weather Underground API. A Raspberry Pi runs a python program designed to fetch weather forecast data from the API at regular intervals, parse the data into temperature, wind speed, and weather condition arrays, and then light specific sets of LED's that represent words in the LED matrix.
There are plenty of Raspberry Pis doing good work in various unusual environments, from monitoring penguins in the extreme cold of Antarctica to running schoolchildren’s programs in the earth’s orbit. Thanks to OpenROV, we can add ‘exploring the briny deep’ to that list. The California-based company’s newest product, Trident, is an affordable underwater drone built …
Product designer Eduard Puertas continues to impress us with his makeshift motion control projects. Recently, the animation enthusiast had come across a broken HP printer on the street; rather than let it be picked up by the garbage truck, he decided to repurpose it into a MOCO slider for stop motion and time-lapse photography.
The FreeSRP is an affordable SDR device I decided to design because there were no existing options that filled the gap between the $300 and relatively narrow bandwidth and low resolution HackRF and the better performingUSRPs you can get for about $800. Of course it will be fully open source, but some parts still need tidying up before I publish them.
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