pico-w energy meter
An ultra-precise energy meter based on Pico-w, INA228 energy monitor and sigrok analysis software
GPS Based mast tracking
The concept Tracking the position of vessel needs expensive sensors, such as accelerometers and gyros, and also complex algorithms in order to provide an accurate output. More over tracking moving…
ACR – Automatic Charging Relay
Automatic Charging Relay (ACR) is used in vessels for controlling the various batteries available not only for proper charging but also for supporting needs for high currents. The following figure…
How to make a monitor from an old LCD display
Do you have an old laptop of tablet that does not work anymore? You may have a practical and useful monitor before putting it in the recycle bin. We will…
Enterprise server as a desktop?
We may all have seen used servers sold in the ebay for few hundreds of bucks. Highly equipped with Xeon processors, many GBytes of RAM, professional RAID controllers and ultra…
RFID Reader
In this page we describe the design of a RFID reader – equipped with IP interface, capable to communicate with REST Web Services and power using Power Over Ethernet (PoE).…
ESP8266 – Light Control
Internet Of Thinks (IoT) is almost everywhere. A useful application that many people have wished to have is an easy way to remotely control lights no mater where they are.…
STM8 Relay board control
We will use the 1$ board – equipped with a STM8S103F3 micro-controller from ST – in order to develop a control unit for a relay board. The board will be…
Inertial Navigation System
Inertial Navigation System (INS) is the most important component of an Unmanned Aerial Vehicle (UAV). The UAV must be able to flight with or without support from the base station.…
FM Exciter
The main components that consist and Exciter for FM (87,5MHz~108MHz) radio band are the following: Digital PLL Design Our PLL Frequency Synthesizer is based on Philips UMA1014 Digital PLL, controlled…