Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and ...
Synchronized by a DCF77 module and backed up by a DS2331 RTC, this time server provides a TTL time signal via an optocoupler and distributes this signal via a 433 MHz transmitter to synchronize alarm ...
Abstract: A 700-MHz Gaussian frequency-shift keying (GFSK) transmitter (Tx) for the Internet of Things (IoT) application is presented in this letter. The proposed Tx adopts direct open-loop oscillator ...
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