Questions tagged [rf]

Radio Frequency. Typically used to refer to the radio portion of the electromagnetic spectrum which is used for wireless communication. Strictly speaking though, RF can refer to any oscillation (electrical or otherwise) at the associated frequency.

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Choosing wireless tech for lowest possible lag

I am drafting a pub quiz project, where the Referee gives a signal and multiple players push their buttons. The first to push wins the right to give an answer. I want all buttons (referee's + X ...
Sergey Snegirev's user avatar
0 votes
1 answer
1k views

How to connect an RF module directly to a PC without using an arduino? [closed]

I know that in xbees i can connect the xbee module directly to my pc using the USB explorer. But I'm using the nRF24L01 RF modules. I want to transmit from my pc, via the RF transmitter to my RF ...
mjsxbo's user avatar
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0 votes
1 answer
292 views

Unable to tell if error is from receiving or transmitting end

so I am having trouble sending data using software serial's write function. TX Code: #include <SoftwareSerial.h> SoftwareSerial TX(2,3); void setup() { // put your setup code here, to ...
Jonathan's user avatar
  • 264
8 votes
3 answers
6k views

Manchester Library Won't Compile for Attiny85

I am creating a wireless sensor using an Attiny85. I want to send the data to an arduino uno, so I purchased the 315mhz rf link kit from spark fun. Since the Attiny85 does not have a TX I decided to ...
Joel's user avatar
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6 votes
4 answers
18k views

RF remote control using VirtualWire on ATtiny85 running at 8MHz on internal oscillator

I'm trying to make an RF remote control using ATtiny85 running at 8MHz on internal oscillator, this cheap RF 434MHz transmitter module (like the one below), and VirtualWire lib, but had no success so ...
Ricardo's user avatar
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1 vote
1 answer
209 views

How to use setModemRegisters in RF24

The below picture is the introduction of setModemRegisters . First: What is the mean of ModemConfig* config? I mean: how to write the parameter. Maybe just give a example, and it will be better if it'...
Enhao Lan's user avatar
  • 123
0 votes
1 answer
976 views

How to transmit more than 1 byte continually?

In software serial, the write function only sends 1 byte at a time. Is there someway, some library, that i can send multiple bits/bytes, without stopping (and not using digitalWrite)? i want to be ...
Jonathan's user avatar
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0 votes
2 answers
312 views

Possible reason for broken Uno

Yesterday I wrote in a comment that I didn't break much, except a LED and a LED matrix. However, exactly yesterday I think my Uno gave up, since I cannot upload a sketch anymore (timeouts). For the ...
Michel Keijzers's user avatar
-1 votes
1 answer
489 views

Speed of comunication by SI4463 under RH_RF24.h

As in this SO question, I use use a RH_RF24.h to control an SI4463. In RH_RF24, there is not anything about the speed of communication. I need the way to control the speed of communication. Because I ...
Enhao Lan's user avatar
  • 123