The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

Build for monitoring, buy for safety.

The annual show for the embedded electronics supply chain showcased many innovations in edge AI and connected, intelligent systems that can perceive and act in real time.

#include "rosidl_runtime_c/action_type_support_struct.h" #include "rosidl_runtime_c/message_type_support_struct.h" #include "rosidl_runtime_c/service_type_support ...

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing ...

It’s pretty easy to take a balloon, fill it up with helium, and send it up in to the upper atmosphere. It’s much harder to keep track of it and recover it when it falls back to Earth. If you’re trying ...

What did Elliot Williams and Al Williams read on Hackaday last week? Tune in and find out. After a bit of news, [Vik Oliver] chimes in with some deep PLA knowledge. Then the topic changed to ...

Volos Projects recently showcased an easy-to-reproduce, inexpensive DIY ESP32-S3 Internet radio based on a Waveshare ESP32-S3-LCD-1.54 development board ...

Weather Shield is an Arduino shield that gathers relative humidity, barometric pressure, temperature, light intensity, as well as optional rain, wind direction, and wind speed (using optional external ...

Abstract: Surface acoustic wave (SAW) pressure sensors are widely applied for their strong environmental adaptability, ease of wireless integration, and low cost. With the extension of atmospheric ...

The temperature cross-sensitivity is always challenging for the design and application of fiber-optic gas pressure sensors. Here, a temperature self-reference gas pressure sensor based on intracavity ...