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TBS XRACER Micro FPV Racer 

Revision 2016-10-30

 

Ready-to-fly micro fpv racer 

It's a parrot frame, that we build up with BetaFlight, Spektrum R/C receiver and a TBS UNIFY PRO VTX. Aimed 

at indoor office/warehouse race flying, or people getting started with carpark racing and other shenanigans. 

Key features 

Ready-to-fly 120-size FPV racer 

Brushed motors, 56mm Props 

32-bit Brushed CleanFlight Flight Controller 

BNF Spektrum R/C receiver 

55g weight incl. battery 

 

 

 

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Summary of Contents for Micro FPV Racer

Page 1: ...t Spektrum R C receiver and a TBS UNIFY PRO VTX Aimed at indoor office warehouse race flying or people getting started with carpark racing and other shenanigans Key features Ready to fly 120 size FPV racer Brushed motors 56mm Props 32 bit Brushed CleanFlight Flight Controller BNF Spektrum R C receiver 55g weight incl battery 1 ...

Page 2: ...elect mode Saving settings LED flash codes for channel band and power Radio channel setup Binding Spektrum receiver Flight controller setup Low battery warning Accelerometer and gyro calibration Flight modes Status LED Ready to fly Advanced configuration Flight controller configuration Settings dump Maintenance Replacing propellers Replacing motors Firmware upgrade Updating FC firmware Good practi...

Page 3: ...s boot up bind procedure Spektrum Version 1 1 Built in Spektrum DSM2 DSMX 7 channel R C receiver no bind button 10s boot up bind procedure ESCs Max 4 3A per brushed motor 32KHz built in 5V 500mA BEC Connectors JST SH 1 25mm 4 pin FPV camera Micro 600TVL FPV 5V camera Video transmitter TBS UNIFY PRO 5G8 V2 24 40 ch user selectable 25 200 500 800 mW video transmitter default channel 5860 MHz VTX ant...

Page 4: ...erence regarding tuning and maintenance Disclaimer Our request to you the aircraft may not be used to infringe on people s right to privacy We have designed a toy with mind blowing capabilities It is your responsibility to use it reasonably and according to your experience level Use common sense Fly safe You are on your own TBS has no liability for use of this aircraft Locate an appropriate flying...

Page 5: ...Overview The following diagram shows the main features of the TBS XRACER and the component layout 5 ...

Page 6: ... s go 1 Charge the battery with the supplied JST adapter cable on 1C 600mA rate using a LiPo charger 2 On the radio hold the bind button while powering on the transmitter 3 Plug in the battery on the frame and within 10 seconds the Spektrum receiver should bind to the transmitter the red LED should stop flashing 4 On the radio change the end points for all channels to 130 if needed to reach the ap...

Page 7: ...sed You can still setup and configure the XRACER but it is not recommended to fly without charging the battery fully first The kit comes with a white spade type male plug to JST male plug adapter to make it easier to connect to a LiPo charger charger not supplied You can use any regular R C LiPo charger or a simple USB stick charger The size of the battery is x x x mm Mounting battery Getting the ...

Page 8: ... for an additional 3s Red LED will flash 2 times Select band by simple short presses Unlock and power select mode The default VTX power level is 25mW and is fine for all close proximity flight where there are no other FPV pilots around To change this value you need to unlock the VTX FOR HAM USERS ONLY To unlock press button for 20 to 25 seconds The Red LED will flash 3 times to confirm You have un...

Page 9: ...ng startup LED code 1 1x Red and 6x Blue Channel 6 2 2x Red and 2x Blue Band 2 B 3 3x Red and 3x Blue Power 3 500mW Once the Video transmitter has successfully booted up it will show a constant BLUE for locked state and a constant RED BLUE for unlocked state For reference see the following menu tables RED LED BLUE LED 1x 2x 3x 4x 5x 6x 7x 8x 1x Channel 1 2 3 4 5 6 7 8 2x Band A B E Airwave Race 3x...

Page 10: ...points should be in the 1050 1950 range Channel Direction End point Throttle Normal 125 125 Aileron Reversed 125 125 Elevator Normal 125 125 Rudder yaw Reversed 125 125 Binding Spektrum receiver The main controller board has a receiver on board that is based on the either Spektrum DSM2 V1 0 V1 1 DSMX V1 1 FrSky or Futaba S FHSS protocol To bind the receiver you need a compatible radio or transmitt...

Page 11: ...d LED is flashing rapidly 2 If you are using XJT module dipswitch 1 is up and dipswitch 2 is down D8 In FrSky Taranis select D8 protocol Then press BIND on Taranis or turn on XJT module with BIND button pressed 3 Red LED is flashing slowly to indicate successful bind Orange LED is on Cycle power on both your radio and the XRacer to complete the binding procedure 11 ...

Page 12: ...rade the firmware or reset settings you will lose the receiver settings and need to set them up again To configure the XRACER via BetaFlight 1 Open BetaFlight hit Connect and check Enable Expert mode 2 Open the Ports tab and enable Serial RX for UART2 hit Save and Reboot 3 Open the Configuration tab disable MOTOR_STOP and set Minimum throttle to 1030 and Maximum throttle to 1970 for max ESC thrott...

Page 13: ...annel Map field select Spektrum TAER123 to change the channel order click Save and Continue For reference see the Spektrum receiver channel mapping aka TAER123 layout Channel Spektrum receiver BetaFlight Spektrum map Ch 1 Throttle T Ch 2 Aileron A Ch 3 Elevator E Ch 4 Rudder Yaw R Ch 5 Aux 1 1 Ch 6 Aux 2 2 Ch 7 Aux 3 3 6 Open the Modes tab assign one of the Aux switches to Arm and another switch t...

Page 14: ...he USB and try to power up the radio first then the XRACER Toggle the flight mode switch the green LED should blink momentarily when moving through the modes Toggle the arm switch and the green LED will turn on when armed 14 ...

Page 15: ... for the duration of this process 2 Put a spirit level on a surface and make it level place the XRACER on the level surface 3 For the accelerometer move the throttle stick up left and pitch down center you will see the green LED blink for confirmation 4 Now for the gyro move the throttle stick down left and the pick down center For reference see this list for all the CleanFlight stick operations c...

Page 16: ...ed rapid flashing Bind mode 10 sec after power on if no radio detected Red solid Bound to transmitter and active Green off Flight controller disarmed Green solid Flight controller armed ready to fly Green flashing Gyro calibration on power up or low battery when armed Blue off Accelerometer inactive rate acro flight mode Blue solid Accelerometer active angle horizon air mode Ready to fly With the ...

Page 17: ...tes filters general settings and accelerometer calibration can be done in the BetaFlight configurator interface If required download and install the SiLABS VCP drivers first Changing settings via USB 1 Connect a micro USB cable to the rear of the X Racer 2 Download the Chrome and the BetaFlight app from the Google Chrome Web Store 3 Hit Connect to get access to all the settings 17 ...

Page 18: ...settings for Spektrum XRacer V1 0 version BetaFlight NAZE 2 6 1 Apr 8 2016 22 44 36 bdaf8ec dump master mixer mixer QUADX mmix reset smix reset feature feature RX_PPM feature VBAT feature INFLIGHT_ACC_CAL feature RX_SERIAL feature MOTOR_STOP feature SERVO_TILT feature SOFTSERIAL feature GPS feature FAILSAFE feature SONAR feature TELEMETRY feature CURRENT_METER feature 3D feature RX_PARALLEL_PWM fe...

Page 19: ... 0 15 15 ES IA 0 led 1 15 8 E WF 0 led 2 15 7 E WF 0 led 3 15 0 NE IA 0 led 4 8 0 N F 0 led 5 7 0 N F 0 led 6 0 0 NW IA 0 led 7 0 7 W WF 0 led 8 0 8 W WF 0 led 9 0 15 SW IA 0 led 10 7 15 S WF 0 led 11 8 15 S WF 0 led 12 7 7 U WF 0 led 13 8 7 U WF 0 led 14 7 8 D WF 0 led 15 8 8 D WF 0 led 16 8 9 R 3 led 17 9 10 R 3 led 18 10 11 R 3 led 19 10 12 R 3 led 20 9 13 R 3 led 21 8 14 R 3 led 22 7 14 R 3 le...

Page 20: ...0 servo servo 0 1000 2000 1500 90 90 100 1 servo 1 1000 2000 1500 90 90 100 1 servo 2 1000 2000 1500 90 90 100 1 servo 3 1000 2000 1500 90 90 100 1 servo 4 1000 2000 1500 90 90 100 1 servo 5 1000 2000 1500 90 90 100 1 servo 6 1000 2000 1500 90 90 100 1 servo 7 1000 2000 1500 90 90 100 1 set mid_rc 1500 set min_check 1040 set max_check 1900 set rssi_channel 0 set rssi_scale 30 set rssi_ppm_invert O...

Page 21: ...band 0 set throttle_correction_value 0 set throttle_correction_angle 800 set yaw_control_direction 1 set yaw_motor_direction 1 set yaw_jump_prevention_limit 200 set tri_unarmed_servo ON set servo_lowpass_freq 400 set servo_lowpass_enable OFF set super_expo_factor 30 set failsafe_delay 10 set failsafe_off_delay 10 set failsafe_throttle 1000 set failsafe_kill_switch OFF set failsafe_throttle_low_del...

Page 22: ...p_vel 55 set i_vel 55 set d_vel 75 rateprofile 0 rateprofile rateprofile 0 set rc_rate 60 set rc_expo 60 set rc_yaw_expo 20 set thr_mid 50 set thr_expo 0 set roll_rate 60 set pitch_rate 60 set yaw_rate 50 set tpa_rate 0 set tpa_breakpoint 1500 Complete list of BetaFlight settings for TBS XRacer V1 1 FrSky version BetaFlight BEEBRAIN 3 0 1 Oct 27 2016 23 13 02 11090a4 name name mixer mixer QUADX mm...

Page 23: ...GPS_STATUS beeper RX_SET beeper ACC_CALIBRATION beeper ACC_CALIBRATION_FAIL beeper READY_BEEP beeper MULTI_BEEPS beeper DISARM_REPEAT beeper ARMED beeper SYSTEM_INIT beeper ON_USB map map ETAR1234 serial serial 0 1 115200 57600 0 115200 serial 1 64 115200 57600 0 115200 led led 0 0 0 C 0 led 1 0 0 C 0 led 2 0 0 C 0 led 3 0 0 C 0 led 4 0 0 C 0 led 5 0 0 C 0 led 6 0 0 C 0 led 7 0 0 C 0 led 8 0 0 C 0...

Page 24: ...1 11 mode_color 4 2 3 mode_color 4 3 13 mode_color 4 4 10 mode_color 4 5 3 mode_color 5 0 9 mode_color 5 1 11 mode_color 5 2 2 mode_color 5 3 13 mode_color 5 4 10 mode_color 5 5 3 mode_color 6 0 6 mode_color 6 1 10 mode_color 6 2 1 mode_color 6 3 0 mode_color 6 4 0 mode_color 6 5 2 mode_color 6 6 3 mode_color 6 7 6 mode_color 6 8 0 mode_color 6 9 0 mode_color 6 10 0 aux aux 0 1 0 900 1300 aux 1 2 ...

Page 25: ...00 set max_throttle 2000 set min_command 1000 set servo_center_pulse 1500 set max_esc_throttle_jump 0 set 3d_deadband_low 1406 set 3d_deadband_high 1514 set 3d_neutral 1460 set 3d_deadband_throttle 50 set use_unsynced_pwm ON set motor_pwm_protocol BRUSHED set motor_pwm_rate 32000 set servo_pwm_rate 50 set disarm_kill_switch ON set gyro_cal_on_first_arm OFF set auto_disarm_delay 5 set small_angle 2...

Page 26: ...safe_procedure DROP set rx_min_usec 885 set rx_max_usec 2115 set gimbal_mode NORMAL set acc_hardware AUTO set acc_lpf_hz 10 000 set accxy_deadband 40 set accz_deadband 40 set acc_unarmedcal ON set acc_trim_pitch 0 set acc_trim_roll 0 set pid_process_denom 1 set blackbox_rate_num 1 set blackbox_rate_denom 1 set blackbox_device SERIAL set blackbox_on_motor_test OFF set ledstrip_visual_beeper OFF pro...

Page 27: ... 100 1 servo 4 1000 2000 1500 90 90 100 1 servo 5 1000 2000 1500 90 90 100 1 servo 6 1000 2000 1500 90 90 100 1 servo 7 1000 2000 1500 90 90 100 1 servo mix smix reset feature feature RX_PPM feature VBAT feature INFLIGHT_ACC_CAL feature RX_SERIAL feature MOTOR_STOP feature SERVO_TILT feature SOFTSERIAL feature GPS feature FAILSAFE feature SONAR feature TELEMETRY feature CURRENT_METER feature 3D fe...

Page 28: ... 0 led 22 0 0 C 0 led 23 0 0 C 0 led 24 0 0 C 0 led 25 0 0 C 0 led 26 0 0 C 0 led 27 0 0 C 0 led 28 0 0 C 0 led 29 0 0 C 0 led 30 0 0 C 0 led 31 0 0 C 0 color color 0 0 0 0 color 1 0 255 255 color 2 0 0 255 color 3 30 0 255 color 4 60 0 255 color 5 90 0 255 color 6 120 0 255 color 7 150 0 255 color 8 180 0 255 color 9 210 0 255 color 10 240 0 255 color 11 270 0 255 color 12 300 0 255 color 13 330 ...

Page 29: ...x 11 0 0 900 900 aux 12 0 0 900 900 aux 13 0 0 900 900 aux 14 0 0 900 900 aux 15 0 0 900 900 aux 16 0 0 900 900 aux 17 0 0 900 900 aux 18 0 0 900 900 aux 19 0 0 900 900 adjrange adjrange 0 0 0 900 900 0 0 adjrange 1 0 0 900 900 0 0 adjrange 2 0 0 900 900 0 0 adjrange 3 0 0 900 900 0 0 adjrange 4 0 0 900 900 0 0 adjrange 5 0 0 900 900 0 0 adjrange 6 0 0 900 900 0 0 adjrange 7 0 0 900 900 0 0 adjran...

Page 30: ... 0 set frsky_unit IMPERIAL set frsky_vfas_precision 0 set frsky_vfas_cell_voltage OFF set hott_alarm_sound_interval 5 set battery_capacity 0 set vbat_scale 110 set vbat_max_cell_voltage 43 set vbat_min_cell_voltage 33 set vbat_warning_cell_voltage 35 set vbat_hysteresis 1 set current_meter_scale 400 set current_meter_offset 0 set multiwii_current_meter_output OFF set current_meter_type ADC set ali...

Page 31: ...notch_cutoff 160 set vbat_pid_compensation OFF set pid_at_min_throttle ON set iterm_throttle_gain 0 set setpoint_relax_ratio 100 set dterm_setpoint_weight 254 set yaw_rate_accel_limit 220 set rate_accel_limit 0 set accum_threshold 130 set yaw_accum_threshold 32 set yaw_lowpass 0 set pid_controller BETAFLIGHT set p_pitch 80 set i_pitch 40 set d_pitch 60 set p_roll 80 set i_roll 40 set d_roll 60 set...

Page 32: ... with two sets of propellers 1 Use a small piler to use as a lever to push the propeller off the motor shaft 2 Separate the new propellers into two batches with the letters facing up counter clockwise marked B1 or B2 and clockwise marked A1 or A2 type 3 Use the picture above to install the propellers on the motor shafts An easy way to remember the rotation is that the leading edge tip of the two f...

Page 33: ... plate for motor 3 and motor 2 Clockwise motor red blue white black plate for motor 1 and motor 4 Note running the motors in their wrong direction will dampen its performance and lifespan 1 Remove the propeller from the shaft 2 Unsolder the two wires from the main controller board Take note of which wire goes to each pad as this dictates the direction of rotation The numbers refers to the motor in...

Page 34: ...4 Replace the motor and solder the wires in place and put on the propeller as shown in the following picture 34 ...

Page 35: ...ootloader mode For this you need a soldering iron solder and a piece of wire 1 Remove the main board from the frame 2 Solder a wire between the two pads marked on the following picture 3 Connect the board to USB and open BetaFlight CleanFlight click the Flash tab 4 Either download the latest firmware or pick a local firmware file and click Flash Firmware 35 ...

Page 36: ... brushed motors and press enter set motor_pwm_rate 32000 save If you see lines on the video coming from the XRacer the battery voltage is low and you need to charge it If the video quality drops off quickly when you fly farther than 10m away ensure that the pigtail is securely connected to the UFL plug on the VTx If needed you can glue it to the VTx 36 ...

Page 37: ...se and can cause problems When using powerful R C transmitters make sure your groundstation equipment is properly shielded Adding Return To Home RTH to an unreliable system does not increase the chances of getting your plane back Work on making your system reliable without RTH first then add RTH as an additional safety measure if you must Avoid powering the VTx directly from battery step up or ste...

Page 38: ...ssible to lower the RF noise floor and EMI interference Do not buy cheap equipment unless it is proven to work reliably e g parts falling off multitudes of bug fix firmware updates community hacks and mods are a good indicator of poor quality and something you do NOT want to buy for a safe system Do some research before sending your aircraft skyward to insure both you and the people around you sta...

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