RF chatting device with Arduino board. 1. RF modules: - RF module is a pair of transmitter circuit and a receiver circuit with can be used to do short range communication around 20 to 50 meter. Modules specifications: - 1.1 Transmitter: Working voltage: 3V - 12V of max. power use 12V. Working current: max Less than 40mA max , and min 9mA. Resonance mode: (SAW). Modulation mode: ASK. Working frequency: Eve 315MHz Or 433MHz . Transmission power: 25mW (315MHz at 12V). Frequency error: +150kHz (max). Velocity : less than 10Kbps. ...
This blog is for tech lover and for those who like to do something new with new technologies.