ESP8266 is a wifi module used to upload sensors data over to web server. We will discuss its pinout & and will upload data to server. I have recently worked on this giant module ESP8266 which is ...

The ability to get professionally manufactured PCBs, at least small ones, for dirt cheap has had a huge impact on the sort of projects we see around these parts. It’s getting to the point where ...

Description “This project detects metal objects using a proximity sensor with ESP8266 and DS3231 RTC, then reports the status with timestamps over MQTT.” D2 (GPIO4) Proximity Sensor Input sensor pin ...

This project uses ESP8266 to read sensors, connect to Firebase and push data to Realtime Database. Temperature and Humidity data is read from DHT11 sensor, Gas leak detection is read from MQ5 Gas ...

Abstract: Alcohol consumption is the leading cause of traffic accidents. Existing systems for detecting alcohol levels rely on a physical breathalyzer by law enforcement, which can be slow and ...

Abstract: This paper presents the implementation of a distributed consensus algorithm for wireless sensor network (WSN) on a hardware platform of NodeMCU ESP8266. This study uses the minimum consensus ...

[Richard Hawthorn] sent us in this interesting fail, complete with an attempted (and yet failed) clever solution. We love learning through other people’s mistakes, so we’re passing it on to you. First ...