Vandal S
Member level 3
RF modules - question
i have a rf transmitter and a receiver, ask, 433mhz, tx with 4 pins, rx with 8 pins (4 - long distance - 4) - if it usefull, i can upload the datasheet.
the questions are:
1. do i have to put any other external component?
or a 7805 which feeds the pic uC also for gnd and vcc? i saw once that someone put an inductor and a capacitor. are they really neaded?
2. i read that if it's 433Mhz, the antenna is around 16.4cm, but in the datasheet it says 30-35cm. way is that and which is the correct value?
thank you
i have a rf transmitter and a receiver, ask, 433mhz, tx with 4 pins, rx with 8 pins (4 - long distance - 4) - if it usefull, i can upload the datasheet.
the questions are:
1. do i have to put any other external component?
or a 7805 which feeds the pic uC also for gnd and vcc? i saw once that someone put an inductor and a capacitor. are they really neaded?
2. i read that if it's 433Mhz, the antenna is around 16.4cm, but in the datasheet it says 30-35cm. way is that and which is the correct value?
thank you