In this DIY Hacking project, we will use a 433 MHz RF transmitter and a pair of 555 astable oscillators to create an RF beacon. The RF beacon consists of three main units; A low frequency 555 ...

At the RF end ... module wasn’t used instead, but we’re guessing that cost played a significant part in the equation. Over the years we’ve featured quite a few fascinating 433 MHz projects ...

I intend to change the frequency of operation in contiki-os from default value to 433 MHz as RF design on my module is for 433MHz. Can some one suggest the steps to ...