I have designed a machine a in my home workshop that I now want to add an RF transmitter and RF receiver to, thereby controlling the machine by remote radio control. Hello Mohannad I need some help to work out what arduino requirments I need for the following. the Transmitter will be more better if you install it on higher level 'altitude'than the receiver hope to hear your questions and suggestions about this artical in the comment below or on Attachments.the range will be less if you put the Tx and Rx near Microwave oven.if you touch the antenna the data might be lost. the range will be less if you put the Tx and Rx near electricity transmission line 'High voltage'.the range will be less if you put the Tx and Rx near WiFi router.Finally: I powered my circuits from power bank to test the maximum range of this module.Īctually it was not that much of improvement as i expected,even with antenna the range in open area was around 44 meter, and inside my home it was about 20m max. No need to change the receiver code, all you need is to upload this code to transmitter arduino board and open a serial monitor set the buad rate to 19200 Send X character to turn on the LED on the receiver Send Y character to turn on the LED on the receiver You can design an application on PC or MAC with interface to control this module for more advance project. If you looking for upgrade the way you want to control RF module by,you can send a command from serial monitor. You need also to and install it inside arduino library folder. I tested it on arduino 1.5.2, 1.5.5 and newer 1.6.9 and worked well on them all. Updated documentation with respect to transmitter power control for RFM23 Fixed a problem with RH_RF22 driver, where GPIO. IMPORTANT CHANGE to interrupt pins on Arduino with RH_RF22 and RH_RF69 constructors: previously, you had to specify the interrupt number not the interrupt pin.
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