Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

Here some tutorials to explain and show how to make use of the new features of the Arduino Primo and Arduino Primo Core, such as Wifi, BLE, NFC, InfraRed and various sensors. Hope you can find this ...

kv4p HT is an open-source hardware VHF or UHF radio designed to plug into the USB-C port of an Android smartphone and turn it into a handheld ham radio transceiver. It’s based on an ESP32 wireless ...

Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to ...

This spoonful of Halloween spirit can be accomplished with the help of even the youngest Pre-K kid and the supplies are inexpensive and easy to find, so the stakes are especially low. Work with your ...

Wed, September 10, 2025 at 11:00 AM UTC This spoonful of Halloween spirit can be accomplished with the help of even the youngest Pre-K kid and the supplies are inexpensive and easy to find, so the ...