This is a case for FPV laptimer build on ESP32 RX5808.
Contains optional shielding bracket that can be but don't need to be installed.
Shielding need to be covered with self adhesive conductive foil (aluminum or copper)

BOM:
- ESP32 ESP-WROOM-32
- 3v3 to 5v buzzer WITH a generator
- RX5808 VRx module

Detailed build instruction and firmware can be found on github in “phobos-/PhobosLT” repository.

Case should also fit “FPVSIM Timer 4.0”