IoT

RFID Door lock with Voice | RC522 | Arduino | DFPlayer - RFID Door lock with Voice | RC522 | Arduino | DFPlayer - RFID Door lock with Voice | RC522 | Arduino | DFPlayer - RFID Door lock with Voice | RC522 | Arduino | DFPlayer

RFID Door lock with Voice | RC522 | Arduino | DFPlayer

RFID is an acronym for Radio Frequency Identification and refers to a technology whereby digital data encoded in RFID tags or RFID cards (the one you use it in your Office or College ID Cards with RFID) that are captured by a reader via radio waves. RFID is similar to barcoding in that data from a tag or cards are...

Cayenne-with-Pi-factoryforward

Getting Started with Cayenne IoT for Raspberry Pi

Cayenne is an awesome IoT Application developed for beginners as well as professionals. It is made by myDevices. The best thing about Cayenne is, it doesn’t require any coding. All you need to do is connect your sensors or actuators to the Raspberry Pi and configure it in Cayenne Dashboard/Mobile App. You can create triggers, events, monitoring widgets and...

Upload Sensor Data to ThingSpeak using NodeMCU - Upload Sensor Data to ThingSpeak using NodeMCU - Upload Sensor Data to ThingSpeak using NodeMCU - Upload Sensor Data to ThingSpeak using NodeMCU

Upload Sensor Data to ThingSpeak using NodeMCU

ThingSpeak is an Open-Source IoT application and API to store and retrieve data from Hardware devices and Sensors. It uses HTTP Protocol over the Internet or LAN for its communication. The MATLAB analytics is included to analyze and visualize the data received from your Hardware or Sensor Devices.We can create channels for each and every sensor data. These channels...

Getting Started with NodeMCU Wi-Fi Development Board | ESP8266 - Getting Started with NodeMCU Wi-Fi Development Board | ESP8266 - Getting Started with NodeMCU Wi-Fi Development Board | ESP8266 - Getting Started with NodeMCU Wi-Fi Development Board | ESP8266

Getting Started with NodeMCU Wi-Fi Development Board | ESP8266

NodeMCU is a popular Wi-Fi based Development board in IoT Projects. Its predecessors are ESP-01, ESP8266-12E. The NodeMCU is based on ESP866 Series.As the name suggests it is a development board, it contains additional circuitry for Power supply USB, Communications, etc (Similar to an Arduino Uno is built around ATMEGA328 IC). Hence this board has built-in voltage regulators to...

Voice Controlled Home Automation | Google Assistant | NodeMCU - Voice Controlled Home Automation | Google Assistant | NodeMCU - Voice Controlled Home Automation | Google Assistant | NodeMCU - Voice Controlled Home Automation | Google Assistant | NodeMCU

Voice Controlled Home Automation | Google Assistant | NodeMCU

In our previous tutorial, we have created a Home Automation using NodeMCU and Blynk. Using Blynk, we can control the devices anywhere in the World. We connected our NodeMCU with an optocoupler based relay and programmed it with Blynk code. Actually, it's very simple and no programming knowledge is required.Now in this tutorial, we will add an additional feature...

Flashing SONOFF Firmware on NodeMCU - Flashing SONOFF Firmware on NodeMCU - Flashing SONOFF Firmware on NodeMCU - Flashing SONOFF Firmware on NodeMCU

Flashing SONOFF Firmware on NodeMCU

Sonoff is a WiFi controlled switch which is embedded with ESP8266 IC and has relays to control the device via the Internet. This IC can be flashed and reprogrammed by Arduino IDE. The makers of Sonoff published the libraries and Arduino files on their GitHub page. Initially, it has only for Sonoff made boards only, after that it supports...

How to Enable New Alexa Skills in Android App - How to Enable New Alexa Skills in Android App - How to Enable New Alexa Skills in Android App - How to Enable New Alexa Skills in Android App

How to Enable New Alexa Skills in Android App

Alexa can answer your questions in many ways. But by default, most of the skills are not enabled. The user needs to give access to the skills like Booking an Uber and Shopping and more. For a simple example, we enabled 'Rajini Dialogues' that will play random Rajinikanth Dialogues on Alexa.You can trigger it by asking, Alexa, Play Rajini...

IOT Home Automation using Blynk and NodeMCU - IOT Home Automation using Blynk and NodeMCU - IOT Home Automation using Blynk and NodeMCU - IOT Home Automation using Blynk and NodeMCU

IOT Home Automation using Blynk and NodeMCU

NodeMCU is very popular in Home Automation. It's WiFi capabilities and Arduino IDE support making it easier for IoT Applications. It is very tiny and has many Digital I/O pins, Serial Communication and I2C Communication. NodeMCU has a micro USB port to program it using your existing mobile cable (no additional programmer needed). There is a successor called ESP32 Development board...

New Raspberry Pi 3 Announced - Improved Processor & Networking - New Raspberry Pi 3 Announced - Improved Processor & Networking - New Raspberry Pi 3 Announced - Improved Processor & Networking - New Raspberry Pi 3 Announced - Improved Processor & Networking

New Raspberry Pi 3 Announced – Improved Processor & Networking

Raspberry Pi 3 Model B+ AnnouncedOn this Pi day, The Raspberry Pi organization released its new board called 'Raspberry Pi 3 Model B+' enhanced with new 1.4 GHz Cortex A53 Processor and a Dual-band WiFi compliance. The Pi organization also announced that it is working on Power Over Ethernet which makes Powering the Pi over Ethernet line. The new...