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“The Internet of things (IoT) is the inter-networking of physical devices (also referred to as “connected devices” and “smart devices”), buildings, and other items—embedded with electronics, software, sensors, actuators, and network connectivity that enable these objects to collect and …
“A Lighthouse showing the current temperature outside as read by an IoT thermometer logging to Thingspeak. This whole idea was brought about by another Raspberry Pi Certified Educator and Computing at Schools Coordinator, Lorraine Underwood. She produced a thermometer that …
“A people counter is a device that used to measure the number of people traversing an entrance, hallway, street corner, etc. If you need to know how many people exist in a space - this is your simple solution. Mostly used …
“I know this looks like just another WiFi logger, but this is a little bit more. It uses Thingspeak free service, can be configured through WiFi AP, and uses minimal components. It only needs 3 components: Wemos D1 mini (or …
“How to increase the number of I/O pins on the ESP8266 using the PCF8574. This example will use four buttons (as inputs) and four relays (as outputs) and only one PCF8574 chip. The four pins of the PCF8574 chip …
“Given the growth of IoT applications using the MQTT protocol as a base and the Node-RED platform, we have created a possibility for industrial devices or devices using Modbus RTU protocol (RS232 or RS485) to interact with applications or …
“IoT (internet of things) environment monitor based on Esp8266 (NodeMCU), Arduino, Jquery, Django REST, Fritzing, the third industrial revolution, and the Hammond 1551k project box. Designed in Colorado by Object Syndicate. ioTank captures real time (every 300ms) sensor readings for …
“This guide purpose is to show how you could control any remote switch remotely over the internet without maintenance any static IP address. This guide is not required any previous knowledge, but basic code knowledge is recommended. Before starting read …
“I have always been interested in gadgets & music and if I was asked where the split is, I’d say 50-50. I’ve tinkered and hacked things together since I could hold a screwdriver; some successfully and others not so …
“On my last tutorial, Voice Activated Control With Android and NodeMCU we explored how to develop our own App on an Android smartphone to control locally (using buttons or voice) smart home devices. But How about starting from there and …