Difference between revisions of "SYNTH-VCO-01"
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* [https://github.com/land-boards/lb-boards/blob/master/Audio%20Cards/SYNTH-VCO-01/SOFTWARE/SYNTHVCO01/SYNTHVCO01.ino SYNTHVCO01 Arduino Code] | * [https://github.com/land-boards/lb-boards/blob/master/Audio%20Cards/SYNTH-VCO-01/SOFTWARE/SYNTHVCO01/SYNTHVCO01.ino SYNTHVCO01 Arduino Code] | ||
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| + | == Videos == | ||
== Assembly Sheet == | == Assembly Sheet == | ||
* [[SYNTH-VCO-01 Rev 1 Assembly Sheet]] | * [[SYNTH-VCO-01 Rev 1 Assembly Sheet]] | ||
Revision as of 08:48, 25 September 2022
Features
- Build of Pico VCO by HAGIWO
- Digital Voltage Controlled Oscillator (VCO)
- Three modes: Wavefold, FM and AM
- PWM output with 2 pole low pass filter
- Each mode has eight built-in waveforms
- XIAO RP2040 CPU
- (5) Pushbuttons
- Octave Up/Down
- Mode Up/Down (Wavefold, FM and AM)
- Push Timbre switches between 8 waveforms
- (2) Knobs
- Freq fine adjust
- Mod adjust
- Standard EuroRack 16 pin header
- Supports 12V in with on-board 5V regulator
- 5V regulator can be not installed if 5V is available on EuroRack connection
- Card is not a Eurorack card
- Probably too deep, needs cabling
- (4) 6-32 mounting holes
- Stacks with SYNTH-MIDI-CTL-01 card
XIAO RP2040 Pins
- Pin 1, GP26 = Vol/Oct, Analog In
- Pin 2, GP27 = Freq Pot, Analog In
- Pin 3, GP28 = Mod, Analog In
- Pin 4, GP29 = Mod Pot, Analog In
- Pin 5, GP6 = Timbre Pushbutton, select waveform type, Digital Input
- Pin 6, GP7 = Gate (optional), Digital Input
- Pin 8, GP1 = Octave Down, Digital Input
- Pin 9, GP2 = Audio Output, PWM out
- Pin 10, GP4 = Mode Down, Digital Input
- Pin 11, GP3 = Mode Up, Digital Input
- Pin 12 = +3.3V
- Pin 13 = GND
- Pin 14 = +5V
