/NanoVFO_3

Si5351 VFO with OLED 1.3 and builtin CW-key

Primary LanguageC++GNU General Public License v3.0GPL-3.0

Nano VFO 3 - simple and powerfull digital VFO

Last event: Version 3.4 from 12.07.2023

  • editable memory banks for CW messages
  • support for double superheterodyne architecture
  • temperature sensor LM35
  • measurement of SWR and power
  • TUNE mode
  • new SuperLED boards
  • updated documentation

CPU: Atmega328P
VFO: Si5351 and/or Si570
Display: OLED 1.3" 128/132x64, OLED 0.96" 128x64
Encoder: mechanic rotary encoder, AS5600 magnetic:
Keypad: 4+1 buttons:
Support different TRX architecture:

  • Single/double IF superheterodyne.
  • Direct conversion with 2x or 4x output.
  • Direct conversion with quadrature output.

Builtin CW key: auto/iambic mode, 3 phrase memory, morse decoder
Major features: VFO A/B, SPLIT, calibrated S-meter, CAT protocol
Control attenuator, LNA, 5 band BPF without decoder and 16 band with external decoder

Project homepage http://www.ur5ffr.com/viewtopic.php?t=277
Links to PCB:
Version 3.1 https://oshwlab.com/ban.relayer/nano-vfo-3-1
Version 3.2 https://oshwlab.com/ban.relayer/nano-vfo-3-2
"Square" version https://oshwlab.com/ban.relayer/nano-vfo-3-1_copy
SuperLED version will be available later after the victory in the war. Glory to Ukraine!

Required libraries:

  1. UR5FFR_Si5351 https://github.com/andrey-belokon/UR5FFR_Si5351
  2. SSD1306Ascii - install from Arduino IDE

Copyright (c) 2016-2023, Andrii Bilokon, UR5FFR
http://www.ur5ffr.com
License GNU GPL, see license.txt for more information