2,4GHz spectral scanner with nRF24L01 and ST7735 LCD display.
Original came from Ceptimus: https://www.rcgroups.com/forums/showthread.php?2777178-Very-cheap-Arduino-based-2-4-GHz-band-monitor
2,4GHz spectral scanner with nRF24L01 and ST7735 LCD display.
Original came from Ceptimus: https://www.rcgroups.com/forums/showthread.php?2777178-Very-cheap-Arduino-based-2-4-GHz-band-monitor