Episode-014 Building a ESP32 - SI5351 Based VFO
This is a compilation of all of the code we've built so far to actually build a multi-band VFO with a frequency display that actually output a signal at the given frequency via the SI5351. Join the build series and get all resources at https://groups.io/g/ilovehamradio 00:00 Introduction 01:12 Program Walk Through 01:22 Setting the SI5351 Calibration Factor 01:54 Define OLED Dimensions 01:58 Frequency Display Divisors 02:19 Create Display Instance 02:24 Rotary Encoder Pin Definitions 02:29 Band Frequencies Variables 02:51 Rotary Encoder Handling 03:39 OLED Display Handling 04:08 Setup Function Overview 05:01 Loop Function Overview 05:45 Running the Program 10:23 Modifying the Program to Make 1kHz Steps 14:53 Fixing the Frequency Display Output 18:07 Using Encoder Acceleration
Episode-015 RF Filters
39 - Multifunction Digital VFO - Part 1: Hardware
Most DIY lab bench power supply builds are boring. So, I engineered my own from scratch.
VFO TRICKS
Si5351 High Frequency Signal Generator. Frequency Measurement with a Radio Receiver
Easy cheap RF signal generator up to 225 MHz with Arduino, Si5351 and OLED display
A look at the Band Surfer VFO ESP32-S3
ESP32 CW Transmitter
Silicon Labs Si5351, Infinite Frequency Generator (LF,HF,VHF)
I Was Right About AI
NOT a DDS HAM VFO with analogue dial
Frequency synthesizer based on Si5351 and Arduino
I Hacked This Temu Router. What I Found Should Be Illegal.
DIY SW , MW , SDR Radio with ESP32 and Si5351
How far can I broadcast LoRa packets WITHOUT a radio? - LoLRa
ESP32 Retro PLL VFO using Si5351 for a Military HF Manpack GE-524 Transceiver made by BEL, India
Episode-001 Series Overview
CH32V003F4P6 Tutorial - Part 1 - Basic GPIO operations
Before You Trash Your Old PC Power Supply... Build This!
