IEEE Spectrum on MSN

See the sky like never before with a DIY eyepiece

So I decided to build a low-cost DIY amplifying eyepiece, to make it easier for visitors to observe deep-sky objects but ...
XDA Developers on MSN

I built a ghost-proof ESP32-powered presence sensor and here's how it works

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...
IEEE

CMOS image sensor with nano light pillars for optical performance enhancement

Abstract: We have demonstrated a CMOS image sensor (CIS) with nano-light pillars (NLPs), which is metasurface-like structures, on a 0.8 μm-pixel sensor to enhance quantum efficiency. By employing a ...

How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
IEEE

Research on High-Precision Oxygen Partial Pressure Sensor Based on TDLAS Technology

Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...

Do You Need A Special Socket To Remove O2 Sensors?

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...