Questions tagged [virtualwire]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
-1
votes
0answers
12 views

FS100A works when Arduino connected to PC but not when connected to Raspberry Pi

I am building a simple circuit which monitors soil humidity in a flower pot. I was able to measure it and send it from one Arduino Nano to another Nano via FS100A transmitter and receiver and ...
0
votes
1answer
46 views

VirtualWire `vw_get_message`: docs and examples on the PJRC site

I'm looking at he following page, that describes functions from VirtualWire library and provides some examples. https://www.pjrc.com/teensy/td_libs_VirtualWire.html Some basic questions I have ...
3
votes
1answer
332 views

Arduino keypad and RF 433MHz transmitter problem

So, the basic idea is that user presses a key on keypad, and key that is pressed is sent with RF transmitter. I got individual parts to work(keypad and transmitter), but can't send the actual key. ...
1
vote
1answer
588 views

ATTiny85 VirtualWire AnalogRead 1

My ATTiny85 is connected to a 433 transmitter and an analog sound sensor. The 433 is working fine (using VirtualWire) but when I send the reading from the sensor all I receive is a 1. What I would ...
1
vote
0answers
169 views

Duplicate a garage door key

I am trying to copy my garage door key. I opened it and found out it has dip switches which you can flip so you can send different codes. It uses 12 bits and operates at 315Mhz. I bought a 315Mhz ...
1
vote
2answers
2k views

RF 433 Module with VirtualWire: transmit and receive using the same Arduino board

I was wondering if it was possible to work, in the same Arduino board, both Transmitter and Receiver RF 433 MHz modules. Is it feasible? Here is the schematics I tried: 1) a pushbutton toggles a ...
1
vote
0answers
111 views

Encoding clock signal into linear block codes

In the VirtualWire library, it is possible to encode the clock signal as the library is doing with 4b/6b coding. This is possible because VirtualWire uses convolutinal coding, where the information is ...
0
votes
1answer
382 views

VirtualWire send function

I am a little confused on how exactly VirtualWire's "send" function works. After looking at the code, the process I gathered is the following. In the Arduino IDE, call vw_send() with the right ...
4
votes
5answers
16k views

433mhz range optimization

I would like to get the best range possible from my 433MHz modules. After A LOT of searching and reading, I'm convinced I should be able to cover 10m indoors with free line of sight. [update] After ...
0
votes
1answer
406 views

How does the speed work in VirtualWire Library

I'm analyzing the VirtualWire library and in it, the send messages are being sent with digitalWrite in the "send" method. However, there is a setup speed function. I'm reading that function and I see ...
2
votes
2answers
3k views

433MHz sending not receiving

I'm trying to send data using these cheap parts. When I check the voltage on the data port of the transmitter, I see what I expect, 1.2 and 0.6 fluctuating while sending. But when I check the ...
0
votes
1answer
931 views

Convert the Serial.Println to string

I'm working with VirtualWire and I'm trying to get a string value out of the Serial.println in the loop. I've tried create a string and add the message[i] , but surprisingly message[i] becomes an int ...
0
votes
2answers
252 views

Receiving partial messages when using VirtualWire and ServoTimer2

I'm writing a project where an Arduino board that is connected to a servo engine receives commands from another Arduino. The possible commands are: Move 10 degrees Reset position Sweep until you're ...
2
votes
4answers
5k views

Sending sensor readings from Arduino to Raspberry Pi over 433 MHz

I'm building a garden monitor, so I got myself an Arduino Nano, a soil humidity sensor, an air humidity and temperature sensor as well as a luminosity sensor. Since I had not one but two Raspberry Pis ...
2
votes
2answers
5k views

RCSwitch on Attiny85

I would like to use my Attiny85 as an remote controlled relay switch. I have already tested the sketch on my Atmega328 and it worked. Now I wanted to burn the sketch on my Attiny85 using ArduinoISP ...
0
votes
2answers
4k views

RF Remote Clone using NRF905

I have come across the various blogs which talks about cloning RF remote using cheap 434 MHz Tx/Rx and RCSwitch library. I tried using RF 434 MHz ASK (https://www.sparkfun.com/products/10532) module ...
-1
votes
1answer
917 views

Using VirtualWire and RCSwitch in same PRoject

I have the problem, that I want some Arduinos communicate in a wireless mesh network using the VirtualWire library but also be able to receive (and send) codes for my rc sockets using the RCSwitch ...
0
votes
3answers
2k views

Using both TMRpcm and VirtualWire libs with ATmega328, despite the conflict on TIMER1

I wanted to use both TMRpcm and VirtualWire with ATmega328 in an Arduino-like board I'm making, but both libraries use TIMER1. I wanted to use each lib for the following purposes: TMRpcm: play a WAV ...
5
votes
4answers
15k 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 ...