LoRa ExpressLRS transmitter and receiver performance test (pwm output) 

materials:
1. RadioMaster Zorro ELRS 2.4Ghz ExpressLRS Radio Controller TX
2. Receiver BETAFPV ELRS Micro 2.4GHz Receiver 5 Channel PWM/CSRF Output
3. Motor Servo SG90
4. Mini Dinamo DC 3-6 V
5. ESC 20A
6. LiPo Battery 2S 50c 2800 mAH