Rotator module version 3.1

Circuit diagram

• .SVG
• .PDF

Planting plan

Part list

Assembly gallery

✔ All components

❏ Solder R4 R6 R7 R8 (marked in blue)

❏ 13 and 9 pins 90° strip

❏ 16 pins strip to LCD

❏ Insulating spacer washers between LCD and PCB

❏ LCD module to PCB

❏ CW, CCW and START switch (marked in blue) and preset encoder, Now front panel is final

❏ Next R1 R2 R3 R5 (marked in black) and R9 solder on main board

❏ D1 D2 D3 D4 (marked in red)

❏ L1 L2 (marked in green)

❏ Q1 Q2 Q3

❏ C1 C2 C3 C4 and C5 between C4 and L1

❏ 6 pins of brake sw, Inputs connector, R9, DIL cocketfor Arduino NANO

❏ F15 connector, three relay, Arduino nano

❏ last solder front panel via pin strip

Firmware

• configure Arduino firmware by K3NG
• download stable or unstable and doc
• custom pins.h
• Enable External Analog reference
• in unstable code

  #define OPTION_EXTERNAL_ANALOG_REFERENCE  //Activate external analog voltage reference (needed for RemoteQTH.com unit)

• in stable code activate this function with insert analogReference(EXTERNAL); to arduino code before analog_az = analogRead(rotator_analog_az); in master .ino file

      analogReference(EXTERNAL);
      analog_az = analogRead(rotator_analog_az);

• Enable LCD Display -> (by delete // at the three lines.)

  #define FEATURE_LCD_DISPLAY
  #include <LiquidCrystal.h>
  LiquidCrystal lcd(lcd_4_bit_rs_pin, lcd_4_bit_enable_pin, lcd_4_bit_d4_pin, lcd_4_bit_d5_pin, lcd_4_bit_d6_pin, lcd_4_bit_d7_pin);

• Change the Baud rate to 9600 (at K3NG source code its 115.k baud the preset)

  #define SERIAL_BAUD_RATE 9600

Connect Rotator (DB15 female) and power inputs

Phase jumper (5+6 CON1) change relay function between DC (change phase voltage) and AC (change direction).

Pin 3 in CON1 - input 5V stabilized voltage from power board This pin may be connected with pin4 CON1, then the voltage measurement uses a common 5V voltage from the power supply module.

The entire module can be powered from USB only, but there is a voltage drop, it is better to use an external source, or a DC/DC converter.