A quick-ish run through of what I have started to do with the little £5 wireless transmitter and receivers that are like these – http://www.seeedstudio.com/wiki/Grove_-_433MHz_Simple_RF_Link_Kit – just with a different board architecture but it seems the same components. I can send and receive multiple string and integer values and display and store the data.
The transmitter has a 30-ish cm antenna (coiled) and the receiver has a 25-ish cm (monopole) antenna of solid core wire.
2 x Arduino (I used a Mega and an UNO)
Wireless Reciever (linked above)
A bunch of wires
2 x small breadboards
1 x Sonic Sensor
1 x potentiometer
Here is the code if you would like to take a look.
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If you want to get in contact Twitter is probably the best way @mrdavidjwatts
Post time: Sep-07-2017