As a $35 pc with very low power requirements, the Raspberry Pi is uniquely suited to serve many different purposes especially as an always-on low power server. When I first heard of the Pi, I was ...

OBD stands for On-Board Diagnostics, and this standard connector has been mandated in the US since 1996. Now you can think of OBD-II as an on-board computer system that is responsible for monitoring ...

This is a record of how I, a mere commoner, suddenly decided to try designing a keyboard from scratch. I would be honored if this could serve as a catalyst for someone, somewhere, to fall into the ...

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Are you tired of having shaky footage ruin your video? Or do you want to make some cinematic, professional-looking shots? Let’s make a cheap and easy-to-make camera slider to solve these problems. In ...

This module features a vibration sensor, an adjustable trimpot, and a comparator chip to give an adjustable digital output based on the amount of vibration. The multiturn trimpot can be adjusted to ...

This simple GSM security switch project is based on Arduino Nano microcontroller (MCU) and SIM800L GSM modem (Fig. 1). The cellular-based alert system is configured to send an SMS in response to a ...

A soil moisture meter is used to indicate the water content of a given soil sample. As crop production requires water at different stages and in different amounts, it is important to measure soil ...

A Tilt Sensor switch is an electronic device that detects the orientation of an object and gives its output High or Low accordingly. Basically, it has a mercury ball inside it which moves and makes ...