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Questions tagged [radio-transmission]

6 questions
3
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3 answers

How to find a pipe address using nRF24L01(+) 2.4GHz Wireless Transceiver

I'm trying to figure out if there is an efficient way of figuring out a pipe address of an rf24 radio. In order for two radios to communicate, they have to be on the same channel and have the same read and write pipe addresses. The only approach I…
Robert
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2 answers

Serial data transmission input-output delay with Raspberry Pi

The Goal: Drive several servo/RC motors wireless from one pi to another pi. In essence, I want to build a RC remote control using a pi, with a second pion the receiver end. Now I have a serial transmission over a RF link module that is stable and…
Misha
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1 answer

Cannot send a message with the RF 433 MHz transmitter using Arduino Uno

First of all, I am a beginner with Arduino. I have a circuit consisting of: an Arduino Uno, an RFID RC522 card reader and the sender from an RF 433 MHz module. I am trying to transmit the ID code of the RFID card with the RF 433MHz sender, but it…
Adi S.
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i am developing a software for a betting machine which would take the cash for bet like an atm deposit

Also which protocol should I research about for the data transmission between the software and hardware? How will the software receives the signals from the hardware to read cash deposits? I am reading about the rs-232 protocol but am unable to move…
Rahul
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0
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2 answers

Is it possible to extract antenna's radio signal (analog) input samples with RFID FX7500?

I need to do some NON-STANDARD signal processing operations with an RFID-reader, so I'd like to know if it is possible to extract antenna's individual analog (actually digital samples right after ADC) input signal samples with Motorola FX7500 (if…
Spere
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2 answers

How to locate a Wireless /Wi-Fi transmitter?

I am trying to test and locate an active Wi-Fi transmitter by sniffing it. What are some of the ways I can do it? And after I locate the Wi-Fi, how do I predict its signal strength? I need some ideas.
VDS
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