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well my mistake!!! the strange behavior was caused by wrong connection: receiver data was connected on pin 12 instead of pin 11!! The strange here is that despite the wrong connection the arduino - receiver sometimes was getting data!!!Some future improvements:a) If receiver does not get data, just show "---" on display to indicate lost connection and maybe low batteryb) The decimal values on receiver could be more "stable" not changing on every cycle (every second)
Hi again! I have a strange behavior on my version...After I power on the receiver or reset it by pressing the reset button, the receiver refreshes the outside values for two-three times and after that never updates them. I have disabled in the transmitter program the section of power down in order to send continuously new outside values. Clock and inside values work fine. Any ideas?
Γεια σου Ropotis! Maybe by increasing the "low power" time it will last longer.....I will use rechargeable AA batteries so not to move the device inside the house to charge it! I added wire antennas and the RF distance now is ok!
Hi!I assembled everything on breadboard and works fine! Some notes:a) the default address for I2C sensors are 0x40 (in my case)b) the command lcd.init does not supported. Instead of it there is lcd.beginNow I will try to extend the distance for RF soldering cables as antennas. Without antennas (using the internal they have) the distance is 1-2 metersA practical question: what is the power consumption of transmitter unit? So how often do we have to charge batteries?GREAT PROJECT overall!!! thank you!