Flying Lemon cytrynka PDB User Manual
cytrynka PDB
User Guide
for power distribution board for zmr/qav/rcx 250 class copters
1
Contents
1. Overview and future list 5
2. Installation 6
3. Hardware on board 9
4. Conversion board pins 15
5. Jumpers 18
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WARNING!
Read this manual very carefully before you start installation
of our PDB. Incorrect use may result in fully damage of
product, personal property and cause of serious injury.
Operating with current over 60A may damage PDB!
This is high degree complexity hobby product and operating
it requires some basic mechanical and electrical abilities.
Some parts on board may get hot. Don't touch any
electronic components when in operation.
Never connect conductive elements from top to bottom of
board as this may cause of short circuit.
3
1. overview and future list
Overview
cytrynka PDB is a power distribution board designed for ZMR, QAV or RCX 250 size
frames. It was created because I terribly hate clutter in cables. It's provides to use
direct connections for most of popular FC on market (naze32, CC3D, flip32 etc)
because it using conversion boards. Also on naze32 CB [conversion board] are OSD
with compatibility of minim and kv team software and openlrs (openlrsng software).
Future list
• fits ZMR250, QAV250 and RCX250 frames
• fits with most popular FC on market
• 1.6mm thickness with 70um copper
• current metter (90A)
• high lumen's LED's on front and back
• pins for minimOSD direct connection with user selectable serial port number
(UART1 or UART2)
• pins for UART1 or UART2 (GPS, external telemetry etc)
• pads for all ESC's and main battery
• low-pass PI filter (800mA maximum current) for FPV elements
• PWM to analog converter (RC) for radio link RSSI
• 5V/1.5A voltage regulator
• pads for radio link, video supply (filtered)
• on board buzzer
4
2. installation
Prepare
cytrynka PDB comes completely soldered and you don't need to solder nothing out of
wires for battery, ESC, FPV (OSD including). Also, if you have not ordered CB for CC3D
with wires you need to solder it.
Installation
We recommending to use spacers between bottom plate and our PDB to get best
ventilation.
If you use minimOSD is recommended to solder it on beginning. PDB is prepared to
use minimOSD without soldered pins. If you have minim like this on photo you must
remove all pins. Components must be on top. If not minimOSD tie VIN and VOUT pins
on minim video in/out connectors.
Install battery leads with proper gauge for the amount of current you plan on running.
Check two times polarity of battery connectors and pads on PDB. When soldering
ESC's wires to PDB also pay attention with polarity.
Install frame spacer (for top plate). Remember to use nylon screws (attached in
package with cytrynka PDB).
Now you can connect PDB with arms and main bottom plate (our PDB replace top
bottom plate).
5
Flight controller installation
naze32
Using naze32 flight controller with our cytrynka PDB is the best and easiest choice.
User must only solder pins on naze and Conversion Board, connect it together with
PDB, setup in configuration and fly.
Just remember to solder pins on bottom side. Angled pins for PWM outputs must be a
little bit prepared before soldering. Longer side of pins must be shortened about
2mm.
6
WARNING: Never cut pins directly on FC. This may destroy your
gyro. Don't ask why just don't do it
WARNING: Remember to change the orientation in baseflight or
cleanflight by entering the following:
set align_board_yaw = 90
save
Don't forget to check that all the movements are right in the GUI! If
you made a mistake and the movements are not right, your quad will
crash!!
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