Smallest seismic sensor uses vibration spectral analysis
Sensor

Smallest seismic sensor uses vibration spectral analysis

Graham Prophet @ eedesignnewseurope.com discuss about a new small seismic sensor from Omron: Omron Electronic Components believes it has the world’s smallest class size seismic sensor, specifically designed to trigger the shutdown of potentially hazardous or easily damaged systems...

Continue Reading
3.771
Views
0 Comments
Simple circuit indicates a low battery
Basic Electronics

Simple circuit indicates a low battery

James Wood @ edn.com writes: The Design Idea in Figure 1 indicates a low-battery condition in an audio test instrument that is powered by four AA cells. As the instrument was otherwise an all-discrete design, this same approach seemed more in keeping with the spirit of the project...

Continue Reading
3.811
Views
0 Comments
ESPurna-H, A Compact Open Source Hardware Wireless Power Wall Switch
ArduinoIoTPower

ESPurna-H, A Compact Open Source Hardware Wireless Power Wall Switch

Controlling your AC loads using wireless power switch is not a new concept. Several commercial products from several vendors can be found on the market such as Xiaomi’s Mi Smart Socket Plug, SAMSUNG’s SmartThings Power Outlet and Sonoff Pow WiFi Switch from ITEAD. Using ESP8266...

Continue Reading
8.949
Views
0 Comments
Exploring Eagle CAD ULPs #5 – Place50.ULP Place All Parts of The Board to The Position in The Schematic
PCBSoftware

Exploring Eagle CAD ULPs #5 – Place50.ULP Place All Parts of The Board to The Position in The Schematic

Welcome to the 5th post of the “Exploring Eagle CAD ULPs” series. Each post will be about one  useful ULP in Eagle CAD. “ULP” User Language Program is a plain text file which is written in a C­-like syntax and can be used to access the EAGLE data structures and to create a...

Continue Reading
7.602
Views
0 Comments
ARM Compiler 6 With A Safety Package
ProductsSoftware

ARM Compiler 6 With A Safety Package

Developed by ARM, the latest C/C++ compiler "ARM Compiler 6" had been announced with a safety package in a move to help developers to meet functional safety requirements. ARM Compiler 6 is based on the modern LLVM framework and Clang technology, in close collaboration with...

Continue Reading
4.747
Views
0 Comments
10km ESP32 WiFi Using Directional Antenna
DIYIoT

10km ESP32 WiFi Using Directional Antenna

[Jeija] was playing with some ESP32s and in true hacker fashion, he wondered how far he could pull them apart and still get data flowing. His video answer to that question covers the Friis equation and has a lot of good examples of using the equation, decibels, and even a practical...

Continue Reading
8.695
Views
0 Comments
MightyWatt: 70W Electronic Load for Arduino
Arduino

MightyWatt: 70W Electronic Load for Arduino

Jakub designed and built a programmable electronic load for Arduino, the MightyWatt R3: MightyWatt R3 is a programmable electronic load. That means you can use it for testing batteries, power supplies, fuel cells, solar cells and other sources of electrical power. You can also make...

Continue Reading
6.196
Views
0 Comments
MPPT solar charger
Photovoltaic

MPPT solar charger

Lukas Fässler from Soldernerd has been working on revised version of his MPPT Solar charger project: Over the last few weeks I have been quite busy with my MPPT Solar Charger project. I’ve built up a first board and started writing firmware for it. Since the last version was not...

Continue Reading
4.861
Views
0 Comments
Get new posts by email:
Get new posts by email:

Join 97,426 other subscribers

Archives