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Questions tagged [virtualwire]

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20 questions
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1 vote
1 answer
100 views

I have two Attiny85 communicating over 433mhz radio (Rx & Tx on either ends) using virtual wire library, how will the programming be to pair them by the press of a button on either module ? i have ...
phoenix99's user avatar
  • 11
-1 votes
1 answer
178 views

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 ...
walak's user avatar
  • 1
0 votes
1 answer
497 views

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 ...
AnT stands with Russia's user avatar
  • 881
3 votes
1 answer
634 views

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. ...
Milos Tosic's user avatar
  • 45
1 vote
1 answer
808 views

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 ...
Thijs's user avatar
  • 432
2 votes
0 answers
230 views

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 ...
Arduino Learner's user avatar
  • 21
3 votes
2 answers
3k views

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 ...
Rodrigo Hjort's user avatar
  • 141
2 votes
0 answers
185 views

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 ...
Jonathan's user avatar
  • 264
0 votes
1 answer
723 views

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 ...
Jonathan's user avatar
  • 264
6 votes
5 answers
23k views

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 ...
Thijs's user avatar
  • 432
0 votes
1 answer
558 views

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 ...
Jonathan's user avatar
  • 264
1 vote
2 answers
4k views

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 ...
Thijs's user avatar
  • 432
0 votes
1 answer
2k views

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 ...
Alvaro's user avatar
  • 137
0 votes
2 answers
312 views

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 ...
Quaker's user avatar
  • 101
2 votes
4 answers
6k views

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 ...
janosrusiczki's user avatar
  • 121

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