These are some great DIY projects that you can do for cheap.

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino.. Democrats demand 'dramatic changes' for ICE, including masks, cameras and judicial warrants What the ...

Abstract: The growing need of energy efficiency and the sustainability of urban infrastructure has resulted in the use of smart technologies to automate the usage of public utilities. An example of ...

This library provides full access to the functions of the VEML7700 Ambient Light Sensor through an I2C connection using the SparkFun Qwiic connectors and cables. Note Version 2.0 and above of this ...

Photoelectric sensors detect objects and surface changes using variations in optical properties. Each sensor includes a light emitter and a receiver, with most relying on infrared light. In optical ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with the Raspberry Pi RP2040 microcontroller that makes it programmable with the Arduino IDE ...

Abstract: The massive quantity of electricity gets used in lights through roadways in India. Still, roadways remain empty for nearly all of the day after at night, with a handful of cars passing ...

3D Insider is ad supported and earns money from clicks, commissions from sales, and other ways. An Arduino computer is a great starting point for a huge number of DIY projects. We have highlighted ...