Making a reciver and transmitter using arduino and communicating via radio frequency by using Nrf24l01 module.
What we require for this project.
1. For transmitter
- 2 potentiometer joysticks
- 2 two position switches
- Arduino uno
- Nrf24l01 module with antena (for better range)
- Jumper wires, glue, other DIY tools
- Battery (in my case i have taken 3.7v lipo battery from a smartphone.)
2. For reciver
- Arduino nano (we use small size as to make reciver small)
- Nrf24l01 module
- Header pins both female and male.
Connect the circuit as shown in the schematic.
transmitter
in transmitter and reciver both the nrf24l01 module was supposed to powered up with 3.3volt so to achive that i made a circuit of that using AMS 1117 smd componment with two capacitors two make the voltage flow constant at 3.3v as shown below.
this is the reciver made with 7 output pins i.e. 7 channel signal can be recived by reciver. the pins were align in a manner that signal pins aare towards arduino and then 5v pin then ground pin.

Transmitter powerd up.
Reciver also powered up for testing.
These are the video of working of my project. Initailly i used it for flying drones but it didnt work as i thought because of the potentiometer joystick were to small for controlling drones. its working perfectly with planes and car.
code for reciver.
code for transmitter
https://github.com/Saksham2424/Projects/issues/1#issuecomment-1219585217
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