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Lemon Microbrick Reference Guide 

Page 13 of 20 

Elevator (Pitch) axis 

Hold the button for 

just over 3 seconds

. The second LED (

E

) will flash. Release the button and the other two 

will start flashing for 5 seconds. During that time the elevator response can be reversed by pressing the button. 
The direction will be indicated by the 

“E”

 LED. ON= reversed. 

Rudder (Yaw) axis 

Hold the button for 

just over 5 seconds

. The third LED (

R

) will flash. Release the button and the other two will 

start flashing for 5 seconds. During that time, the rudder response can be reversed by pressing the button. The 
direction will be indicated by the 

“R”

 LED. ON= reversed. 

When done, just release the button and wait for normal operation to restore 

 the Microbrick will permanently 

store the settings. 

Selecting a Receiver Mix 

There are four unique mixer modes that can be selected plus one additional dual aileron function. 

To select one of the four unique mixes, hold the button for 

just over 10 seconds 

and all three blue LEDS will flash 

simultaneously. Immediately release the button and one or two of the LEDs will be solid blue, indicating current 
Mixer mode (see table below). To change the Mixer mode, within 5 seconds push the button briefly. Repeat as 
necessary to step to the desired mix. When 5 seconds have elapsed with no button push the latest value is 
stored and the receiver is ready to go. Mixer mode settings remain permanent until they are deliberately 
changed. 

LED 

 

A  E 

R  Mixer function

 

   

 

None: Normal wing and tail 

 

   

V-Tail. Surfaces connect to onboard servos operated by (channels 3 and 4) 

 

 

  Elevon/Delta. Surfaces connect to onboard servos (channels 2 and 3) 

 

 

  Channels 2 and 4 are swapped. Aileron stick operates rudder. 

Explanation of Receiver Mixes 

V-Tail 

This arrangement is used to control both 

pitch

 (elevator) and 

yaw

 (rudder). The tail control surfaces move up or 

down together for pitch and in opposite directions for yaw.  

In the transmitter, 

Aircraft

 

type

 is set to Normal wing. In the receiver, the blue 

“E” 

LED is ON during setup, thus 

indicating on-board V-Tail mixing. The two onboard servos are connected to the two tail control surfaces and are 
operated by channels 3 (Pitch function) and 4 (Yaw function). 

An aileron servo can be plugged into the outer JST connector and can be operated by channel 2 for Roll. If the 
Aircraft type is set to Dual Ail or Flaperon in the transmitter, the second white JST connector will operate a 
second aileron servo (channel 6). 

Elevon / Delta Wing 

This arrangement is generally used for a tailless aircraft, such as a flying wing or delta, in which the wing control 
surfaces (elevons) are used to control both 

pitch

 (elevator) and 

roll

 (aileron). The elevons move up or down 

together for pitch and in opposite directions for roll.  

In the transmitter 

Aircraft

 

type

 is set to Normal wing. In the receiver, the blue 

“R” 

LED is ON during setup, thus 

indicating on-board elevon mixing. The two onboard servos are connected to the two Elevons and are operated 
by channels 2 (Roll function) and 3 (Pitch function). 

Содержание Microbrick

Страница 1: ...Binding 11 Programming 11 Transmitter or Microbrick 11 Programming the Microbrick 12 Swapping the Functions of the Onboard Servos 12 Changing Stabilization Response Direction 12 Selecting a Receiver M...

Страница 2: ...er onboard servo Channel 5 On Off control of stabilizer internal to the receiver Channel 6 Aux1 or Left Aileron in dual servo aileron setups Channel 8 Master gain control of stabilizer sensitivity int...

Страница 3: ...eplacement for the popular Spektrum AR6400 style integrated micro receiver with two onboard linear servos found in many UMX size micro models from E Flite and others It is also attractive to scratch b...

Страница 4: ...lses to the ESC The ESC then knows that the signal is lost and the motor should stop with slight delay Not all small ESCs will do this and you should test to be sure For the small models for which thi...

Страница 5: ...2 or later Spektrum transmitter 3 results in correct control directions for Throttle Channel 5 Mode switch and Channel 8 Master Gain knob That is throttle stick up increases speed switch A forward tur...

Страница 6: ...t sometimes it needs to be 3 4m from the transmitter Nearby metal objects such as a furnace fence or vehicle can also prevent binding as can a Wi Fi router or nearby active RC transmitters After the r...

Страница 7: ...repeatedly Also make sure the bind button is accessible 6 Set up servos Power on If stabilization is enabled use the channel 5 switch to turn the stabilizer OFF both green and red LEDs ON 1 If you hav...

Страница 8: ...R rudder Instructions for changing the response direction are given on page 12 THIS IS VITALLY IMPORTANT If stabilization moves the surfaces the wrong way i e to increase the disturbance your model ma...

Страница 9: ...stop after a couple of seconds and the control surfaces should stay in their current positions If you have Master Gain on channel 8 set it to the middle of its range 11 Perform a test flight If stabil...

Страница 10: ...ific Issues Rudder Steering For a model steered by rudder that does not have ailerons the above instructions still apply but there are two options 1 Set it up just like an aileron model as above but i...

Страница 11: ...follow or understand as lot of it is time dependent It is easiest to understand the green red and blue LEDS if we consider it by intended function Binding Start with the transmitter off or in System...

Страница 12: ...en the onboard servos you can do this on the Microbrick Essentially this action shifts the rudder servo to channel 3 and the elevator servo to channel 4 Nothing else changes 1 With the transmitter off...

Страница 13: ...manent until they are deliberately changed LED A E R Mixer function None Normal wing and tail V Tail Surfaces connect to onboard servos operated by channels 3 and 4 Elevon Delta Surfaces connect to on...

Страница 14: ...ould be used for ailerons and Normal must be set as the wing type in Spektrum transmitters 2 If dual aileron is set then the Microbrick actively stabilizes on both channels 2 and 6 Dual Ail or Flapero...

Страница 15: ...are involved but here the mixing is done in the transmitter Let s take a look specifically at how these three types of control setup are dealt with in relation to the Lemon Microbrick The actual setti...

Страница 16: ...ponse for an axis use the push button switch and blue LEDs as previously indicated Master Gain Master Gain multiplies the three individual gain values set by the three gain pots by a constant factor I...

Страница 17: ...100 to 100 when the switch moves from one side to the other If not you may have to adjust servo travel on channel 5 The stabilizer is ON between 100 and 0 and OFF between 0 and 100 If you have assign...

Страница 18: ...eople seeking minimum weight can remove the header pins and solder directly to the PC board pads Hint Cut the plastic header spacer between each pin and remove them one at a time LM0070M2 This one is...

Страница 19: ...y only four solder pads This is perfectly adequate for a unit that is protected in a case but to save weight the Microbrick is not so protected If you mount the Microbrick using double sided tape ther...

Страница 20: ...will see a maximum of 4 2v External 1 7 1 9g servos of the 5320 5330 type and linear servos intended for 1s AR6400 type bricks work fine 2 Supply is from an external brushless speed controller Typica...

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