Store Your Sensitive Data Safely When Sharing a Sketch

If there is sensitive data that you want to keep private when sharing a sketch, add a secret tab and store your private info there! Things used in this project Software apps and online services Arduino Web Editor Arduino IDE Story Often in your sketch, there is some sensitive data that you’d like to keep private, which could accidentally become public when published on GitHub or when you share your sketch w ...

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IoT for coins

Need to organize your coins? Get some help with this project. Things used in this project Hardware components Arduino MKR1000 × 1 ATX Power Supply × 1 Adafruit coin acceptor × 1 Adafruit Proto Screw Shield × 1 Adafruit GRAPHIC ST7565 POSITIVE LCD (128X64) WITH RGB BACKLIGHT + EXTRAS × 1 Adafruit LOCK-STYLE SOLENOID - 12VDC × 1 Seeed BADGEr_v4 × 1 Resistor 330 ohm × 3 Resistor 22.1 ohm × 1 Capacitor 10 µF × ...

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Universal Remote Control with Alexa and IR

I hate looking where is the remote controller or grab my phone to control my TV or other IR devices. Alexa and hacking saved my day! Story As a lot of lazy folks, Alexa is saving my day. I don't want to spend time looking for my remote controller to turn on TV or switch sources. I would like to be able to ask Alexa to do it for me! I spent some time building that and this article explains how. Demo Before d ...

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Cayenne and SparkFun IoT 433 Mhz Sockets

I know the Z-Wave or Netatmo system for IoT, domotic system and automation of house. But now you can make an ESP8266 DoMo system. Story Introduction: Cayenne and SparkFun IoT 433 Mhz Sockets I know the Z-Wave or Netatmo system for IoT, domotic system and automation of house. But now you can make a simple system that uses a Node MCU board and Cayenne platform for control five 110/220 V sockets. You can downl ...

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Basics of the SPI Communication Protocol

When you connect a microcontroller to a sensor, display, or other module, do you ever think about how the two devices talk to each other? What exactly are they saying? How are they able to understand each other? Communication between electronic devices is like communication between humans. Both sides need to speak the same language. In electronics, these languages are called communication protocols. Luckily ...

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The Nerd

Help keep your IoT pet alive via the Internet! Story If you had an IoT pet, what would it eat? WiFi SSIDs, of course! The Nerd is a wireless electronic pet that survives by collecting WiFi SSIDs along with some rest and sunlight. In order for it to thrive, you must balance offline and online mode with light and darkness to ensure that it has a proper daily eat-sleep-Nerd routine. If it is out of WiFi for to ...

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The Angry Humidor (Humidor Monitor)

This project takes hourly temperature and humidity readings from a humidor. A Web API sends the readings to Azure SQL and Twitter. Story I WiFi enable something that that non-geeks would say "why did you do that?"   I added a MRK1000 to a humidor.  Every hour it sends temperature and humidity reading. Now according geek laws, if you WiFi enable something that should not be Wifi enable, you must give it a Tw ...

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Smart Garage

Change the way you operate your garage! Things used in this project Hardware components Arduino MKR1000 × 1 GY-521 MPU-6050 3 Axis Gyroscope + Accelerometer Module For Arduino × 1 Ultrasonic Sensor - HC-SR04 (Generic) × 1 SSD1306 OLED I2C Display × 1 Relay (generic) × 1 Software apps and online services Arduino IDE Microsoft Visual Studio 2015 Microchip Atmel Studio 7 Optional Hand tools and fabrication mac ...

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Love You Pillow

Open source is love, and so are hugs!   Things used in this project Hardware components Arduino MKR IoT Bundle × 1 Software apps and online services Telegram Story We all know that being without that special person in your life can be difficult, but what if you could send love and affection remotely over the Internet by just hugging a pillow? Now, we can't really send hugs... but what we can send is a ...

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Wi-Fi Power Toggler

Restores your Wi-Fi connection for you, so you don't have to, and keeps a track of how often this is done. Things used in this project Hardware components Arduino MKR1000 × 1 DFRobot DF Robot Lithium Polymer Battery (1000mAh, 3.7V) × 1 Jumper wires (generic) × 1 N-Channel Power Mosfet (STP36NF06L) × 1 Linear Regulator (7805) × 1 Resistor 1k ohm × 1 Resistor 100k ohm × 2 Resistor 221k ohm × 1 PCB terminal bl ...

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WiFiRGB – A WiFi-enabled RGB high-power LED

Features Simple hardware, using pre-fabricated modules Controls an RGB LED via any recent browser, any operating system WiFi credentials can be configured via browser Software is written as an Arduino sketch Introduction Some time ago I read about the cheap and easy to use ESP8266 WiFi modules and I had to have a couple of them. So I ordered two ESP-01 modules. At the time I had no idea what to do with them ...

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SubPos: a WiFi Positioning Solution for Places GPS Can’t Reach

Description When the world's lifeforms are forced into subterranean dwellings due to nuclear fallout, evolution into lizard people or warming of the Earth, we will require a simple method for determining our position underground. In our current age, we are still working out the intricacies associated with determining our location in areas where GPS cannot reach. SubPos provides a solution to this problem, w ...

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