The transmitter contains the interface to PC using virtual serial port CP2102, core board and two nRF2401A modules. (The board is designed using Altium Designer 17.1)
The 2D and 3D design views are shown below:
The main features are:
- Support traditional RS232 DB9 interface (MAX3232) and USB virtual serial port interface based on CP2102. FPGA firmware can be found in corresponding firmware repository.
- Two connectors for nRF2401A modules.
- I/O expander (PCA9557PW) and rotary DIP switch (A6R/A6RV) for easier transmitter frequency set.
- Support both USB and battery power supply
The photo of the transmitter board is shown below as references.
