Eurorack-Electric-Druid-VCDO1

DIYSynthMNL·Eurorack-Electric-Druid-VCDO1·kicad/Eurorack_Electric_Druid_VCDO1_Main_Board.kicad_sch

Eurorack-Electric-Druid-VCDO1

About the Eurorack-Electric-Druid-VCDO1 PCB

Eurorack-Electric-Druid-VCDO1 is an open source PCB design by DIYSynthMNL, published on GitHub under the CC-BY-NC-4.0 license. It is a board, with 112 components from 32 distinct parts.

Other key parts include the 78M05, TL074, TL072 and 79M05. By type, the board carries 55 resistors, 23 capacitors, 16 diodes, 7 ICs, 4 connectors and 1 transistor.

It belongs with the audio designs in this gallery.

From the project

A Eurorack wavetable oscillator module based on the VCDO1 chip from Electric Druid

This module is shared under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. All credits go to Tom Wiltshire, founder of Electric Druid.

A Eurorack wavetable oscillator module built around the VCDO1 chip from Electric Druid. The VCDO1 is a digital wavetable + sub-oscillator chip in an 18-pin DIP, running its own DAC internally and exposing both main and sub waveform outputs.

Main components on the Eurorack-Electric-Druid-VCDO1

78M05 TL074 TL072 79M05

Eurorack-Electric-Druid-VCDO1 bill of materials (BOM)

112 components, 32 distinct parts.

Qty	Part	Footprint	Refs
2	78M05	TO-252-2	U1, U6
1	TL074		U2
2	TL072	DIP-8_W7.62mm_LongPads	U3, U5
1	TL074	DIP-14_W7.62mm_LongPads	U4
1	79M05	TO-252-2	U7
1	2N3904	TO-92_Inline	Q1
2	EuroPower_JST_3P	Eurorack_power_jst_3P	J1, J3
2	EURO_PWR_16P	IDC-Header_2x08_P2.54mm_Vertical	J2, J4
2	MountingHole_Pad	MountingHole_M3_Standoff_Pad	H1, H2
1	20K_V/Oct_Adjust	Potentiometer_Bourns_3296W_Vertical_BigPads	RV1
1	20K_Offset_trim	Potentiometer_Bourns_3296W_Vertical_BigPads	RV2
2	47K_Zero_Trim	Potentiometer_Bourns_3296W_Vertical_BigPads	RV3, RV4
2	~	D_DO-41_SOD81_P7.62mm_Horizontal_BigPads	D1, D16
14	BAT42	D_DO-35_SOD27_P7.62mm_Horizontal	D2, D3, D4, D5, D6, D7, D8, D9 +6
8	330pF	C_Rect_L7.0mm_W2.0mm_P5.00mm_BigPads	C1, C2, C5, C6, C7, C9, C13, C15
3	2.2uF	CP_Radial_D5.0mm_P2.50mm	C3, C4, C14
2	150pF	C_Rect_L7.0mm_W2.0mm_P5.00mm_BigPads	C8, C16
6	0.1uF	C_Rect_L7.0mm_W2.0mm_P5.00mm_BigPads	C10, C11, C12, C18, C19, C24
1	100nF	C_Rect_L7.0mm_W2.0mm_P5.00mm_BigPads	C17
1	22uF	CP_Radial_D4.0mm_P1.50mm	C20

Show 12 more

Qty	Part	Footprint	Refs
2	100nF		C25, C26
3	91K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R1, R24, R27
22	100K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R2, R8, R9, R10, R14, R15, R18, R20 +14
6	200K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R3, R39, R40, R43, R46, R50
5	20K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R4, R5, R11, R12, R16
4	27K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R6, R13, R17, R26
1	51K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R7
2	1K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R19, R32
7	4K7	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R21, R23, R31, R36, R38, R42, R48
2	180K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R22, R30
2	10K	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R35, R44
1	*10k	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R45

Eurorack-Electric-Druid-VCDO1 design files

The KiCad project lives in the DIYSynthMNL/Eurorack-Electric-Druid-VCDO1 repository on GitHub; these links point at the commit this page was built from.

Schematickicad/Eurorack_Electric_Druid_VCDO1_Main_Board.kicad_sch

Eurorack-Electric-Druid-VCDO1: common questions

How many components are on the Eurorack-Electric-Druid-VCDO1?

112 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the Eurorack-Electric-Druid-VCDO1 design files?

From the DIYSynthMNL/Eurorack-Electric-Druid-VCDO1 repository on GitHub, which has the schematic; the links under Design files point to each one.

Can I use the Eurorack-Electric-Druid-VCDO1 design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

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