Olimex HoT (Home of Things) is a lightweight Smart Home solution designed to run on low-end hardware (128MB RAM, 128MB flash) ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...

China’s microelectromechanical systems (MEMS) sensor industry is surging, but technical gaps, fragmented production and coordination challenges hinder its full potential. As global demand accelerates, ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...

This project implements and compares the performance of Kalman and EMA (Exponential Moving Average) Filters for a low-cost temperature monitoring system which incorporates a DHT11 Temperature and ...

Abstract: This paper presents the design and implementation of a low-cost, portable temperature and humidity monitoring system based on the Arduino Uno microcontroller, a DHT11 sensor, and ...

Create DHT11Struct and call DHT_Init function to initialize. Call DHT_Read function to update the temperature and humidity members of the DHT11Struct.