How-To Geek on MSN

I built an E-Ink photo frame using an Arduino, E-Paper display and Google Antigravity

Now, you can simply drop JPG, JPEG, or PNG photos into the folder that you bind mounted to the Docker container. The ...
Microwaves & RF

Ultrasonic Flow-Sensing Module Delivers Multi-Year Battery Life

A low-power ultrasonic flow-sensing module from ScioSense brings multi-year battery life to industrial and consumer ...
Hackaday

Ultrasonic Cutting On The Cheap

When you think of ultrasonics,  you probably think of a cleaner or maybe a toothbrush. If you are a Star Trek fan, maybe you ...
Hackaday

A PCB Can Be A Hydrofoil, If It Really Wants To

You know those old cliche that the younger generations have begun to cynically despise: “follow your dreams!” “You can be anything you put your mind to!” — well, ...
IEEE

Electronic Circuit for the Signal Conditioning of PSD Optical Sensors

Abstract: This article presents the methodological process to be followed in the design of signal conditioning circuits for optical sensors (position sensitive detector (PSD) or photodiodes), which ...
GitHub

Arduino UNO Gear Indicator for Manual Transmission using Hall Sensors

Learn how to create a simple gear indicator for the manual transmission of the car. For that, we will use Arduino UNO with SSD1306 128x64px IIC OLED screen and 4 Hall Sensors to measure the magnetic ...
GitHub

Arduino library for the I2C INA3221 3 channel voltage and current sensor.

The INA3221 is a 3 channel voltage and current sensor, which work with I2C. The INA3221 is a 3 channel measuring device to measure voltage. Derived from that voltage and a given shunt, the library ...
IEEE

A More Reliable Equivalent Circuit of Electrochemical Sensors for Robust Design of CMOS Front-Ends

Abstract: Electrochemical sensors integrated with CMOS circuits play a pivotal role in quantifying various chemicals across a huge spectrum of applications, prominently in distributed diagnostics and ...