Difference between revisions of "VFO-003"

From Land Boards Wiki
Jump to navigation Jump to search
Line 1: Line 1:
 
[[fILE:VFO-003-B.png]]
 
[[fILE:VFO-003-B.png]]
 +
 +
[[fILE:P771-720px.jpg]]
  
 
== Features ==
 
== Features ==

Revision as of 00:24, 19 August 2021

VFO-003-B.png

P771-720px.jpg

Features

  • Software controlled VFO
  • Arduino Pro Mini Microprocessor
    • 8-bit ATMEGA328 CPU
    • 8 MHz
    • 3.3V I/O
  • Detachable Rotary Encoder/OLED card
    • SSD1306 OLED Display
      • I2C Interface
    • Controls frequencies with rotary encoder
    • 100 Hz, 1 KHz, 10 KHz, 100 KHz, 1 MHz, 10 MHz steps (software controllable
  • Si5351A Oscillator
    • 3 Outputs
    • 25 or 27 MHz crystal
    • I2C Interface
  • Power
  • Fits in standard extruded enclosures

Arduino Pro Mini

ArdruinoProMini-EBAY PART-720px.png

Connectors

J1 - OLED

  1. SDA
  2. SCL
  3. Vcc
  4. GND

VFO-003 J1.PNG

J2 - Display Encoder/OLED (Display card)

  1. Encoder A
  2. Encoder B
  3. Encoder Switch
  4. SCL
  5. SDA
  6. Vcc
  7. GND

VFO-003 J2.PNG

J3 - Display Encoder/OLED (Main card)

  1. Encoder A
  2. Encoder B
  3. Encoder Switch
  4. SCL
  5. SDA
  6. Vcc
  7. GND

VFO-003 J3.PNG

J4 -- FTDI

  1. GND
  2. GND
  3. Vcc
  4. RX
  5. Tx
  6. DTR

VFO-003 J4.PNG

J5 - Arduino A0-A3/C10-D13

  1. A3
  2. A2
  3. A0
  4. D13
  5. D12
  6. D11
  7. D10
  8. Vcc
  9. GND

VFO-003 J5.PNG

J6 - Disconnect for Mini-360 Power Supply

  • Remove to adjust the output voltage to 3.3V
  • Install to power the card from the power supply

VFO-003 J6.PNG

J7 - Output disconnects

  • Cut rear side trace to disconnect
  • Can be used to install external LP filters

VFO-003 J7.PNG

J7 - Arduino P5-P9

  1. P5
  2. P6
  3. P7
  4. P8
  5. P9
  6. Vcc
  7. GND

VFO-003 J8.PNG

Schematic

Rev 1 schematic

Assembly Sheet / Parts List

VFO-003 Assembly Sheet - Rev 1

Retrieved from "http://land-boards.com/blwiki/index.php?title=VFO-003&oldid=7969"