Learn how to build a GPS tracker using Arduino UNO, SIM800L GSM module, and NEO-6M GPS with GeoLinker. This DIY project offers real-time location tracking, historical ...

The social distancing imposed by Covid-19 impacted the development of educational activities at all levels. Engineering education was specially challenged by the suspension of face-to-face activities, ...

Basic properties of the operational transconductance amplifier (OTA) are discussed. Applications of the OTA in voltage-controlled amplifiers, filters, and impedances are presented. A versatile family ...