• Home
  • Gen. Products
    • μBITX JackAl Enhancement Board
    • Thru Hole Digital Dial / Frequency Counter Product Page
    • K7QO Marker Generator
    • QRPGuys Digital Power Port
    • QRPGuys Chassis Tilt Bail
  • XMTRS/RCVRS/TXCVRS
    • *NEW* QRPGuys DSB Digital Transceiver II
    • DSB Transceiver Si5351A VFO Kit
    • QRPGuys Pacificon DSB/CW Transceiver Kit
    • K8TND VHF Regen AirBand Receiver
    • K8TND Regenerative Receiver
    • K8TND AM BCB Receiver
    • K8TND Direct Conversion 40m Receiver
    • K8TND Sferics Receiver
    • QRPGuys EZ WSPR Pi
  • Antennas
    • QRPGuys DS1 40m -10m Antenna
    • QRPGuys 40m-10m UnUnTenna
    • QRPGuys 40m-10m UnUnTenna Plus
    • QRPGuys Portable Tri-Band Vertical Antenna 40/30/20m
    • QRPGuys No Tune End Fed Half Wave Antenna 80-10m
    • QRPGuys Wire Antenna Trap Kit
    • QRPGuys Multi-Band End Fed Antenna 40/30/20m
    • QRPGuys 80m-10m Mini No Tune End Fed Half Wave Antenna
    • QRPGuys 40m-10m Mini UnUnTenna
  • Tuners
    • EFHW Mini Tuner 40-15m, 80m model
    • Multi Z Tuner 40m-10m
  • Antenna Misc.
    • K8TND Active RX Antenna Splitter
    • K7QO Noise Bridge
    • 12W Dummy Load / Power Meter Product Page
    • LED Tuning Indicator Page
    • QRPGuys 1:1 and 4:1 Voltage Baluns
    • QRPGuys 31 dB Step Attenuator
    • QRPGuys Wire Antenna Trap Kit
    • W8TEE and K2ZIA Antenna Analyzer PCB
  • Misc. CW products
    • QRPGuys KD1JV Code Trainer
    • KD1JV SKC Keyer
  • Test Equip and Misc. items.
    • K8TND DIP Breakout Board
    • QRPGuys TCXO Frequency Standard/Reference
    • K7QO Noise Bridge
    • K7QO Marker Generator
    • 12W Dummy Load / Power Meter
    • QRPGuys 31 dB Step Attenuator
    • QRPGuys Simple RF Probe
  • Services
  • Misc. Files
    • VFO Arduino Sketch
    • Pacificon Arduino Sketch
    • NanoVNA Fabricated Chassis
    • QRP Labs QCX pcb chassis
    • General PCB Chassis Techniques
    • MC3361C IC Datasheet
    • BB910 Varactor datasheet
    • AD8307 datasheet
    • Digital Dial firmware
    • Keyer firmware
    • Marker Generator firmware
    • Plastics Dissapation Factor List
    • LMC567 Specifications
    • MAX7427 Specifications
    • CW/SSB 10W Amplifier
  • Retired Products – Bare PCB’s only
    • QRPGuys DSB Digital Transceiver Kit
    • QRPGuys LA3ZA Zero Beat Indicator
    • QRPGuys Digital Field Strength Meter
    • Simple Lowpass CW SCAF Filter
    • QRPGuys Active 600Hz Audio Filter
    • DJ3KK SPRAT CW Announced Frequency Counter
    • Para80/40set Transceiver
    • Lidia Receiver
    • KX Iambic Mini Paddle Kit
    • KX Single Lever Paddle Kit
    • Single Lever Mini Paddle
    • Single Lever Paddle w/Base
    • Iambic Mini Paddle
    • Iambic Mini Paddle w/Base
    • MMM+ 40m Transmitter
    • QRPGuys Portable 80/60m Vertical Antenna
    • KD1JV Single Lever CW Trainer
    • KD1JV Dual Lever (Iambic) Combo CW Trainer
    • Single Lever Keyer/Paddle
    • Keyer V1
    • Keyer V2
    • uBITx CW Conditioning Adapter
    • K7QO Code Practice Oscillator
    • Digital RF Probe
    • SMT Digital Dial/Frequency Counter
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QRPGuys

QRPGuys – Unique ham radio kits for the budget minded

VFO Arduino Sketch

Click here for VFO Arduino sketch

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