Afromini bracket for Tarot TL250/TL280

Afromini bracket for Tarot TL250/TL280
Parametric receiver design for :
FRSKY D4FR (without receiver box, tested)
FRSKY D4R (with box, not tested)
FRSKY V8R4 (with box, not tested)
Used screws : Philips Self Tapping M2x7
Voltage alarm : http://www.hobbyking.com/hobbyking/store/__22749__HobbyKing_8482_Lipoly_Low_Voltage_Alarm_2s_3s_.html