Valhalla MOD XVR(4IO)

csdexter·valhalla·hardware/eda/VLM-XVG/valhalla-MOD-XVR_4IO.kicad_pcb

Valhalla MOD XVR(4IO) PCB layout, top view — open source board by csdexter

About the Valhalla MOD XVR(4IO) PCB

Valhalla MOD XVR(4IO) is an open source PCB design by csdexter, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 99.6 × 99.6 mm, with 128 components from 54 distinct parts.

Other key parts include the 4N35, 74HC14, 74HC74, 74LS125 and 74HC123. By type, the board carries 35 connectors, 35 resistors, 28 diodes, 8 ICs, 8 capacitors and 6 transistors.

From the project

Version-controlled material related to the Valhalla project

This repository contains version-controlled material related to operation Valhalla. The documentation counterparts are currently stored in Google Drive.

Main components on the Valhalla MOD XVR(4IO)

4N35 74HC14 74HC74 74LS125 74HC123

Valhalla MOD XVR(4IO) bill of materials (BOM)

128 components, 54 distinct parts.

Qty	Part	Footprint	Refs
4	4N35	DIP-6_W7.62mm	U1, U2, U4, U5
1	74HC14	DIP-14_W7.62mm	U3
1	74HC74	DIP-14_W7.62mm	U6
1	74LS125	DIP-14_W7.62mm	U7
1	74HC123	DIP-16_W7.62mm	U8
2	IRLZ44N	TO-220-3_Vertical	Q1, Q2
2	2N3904	TO-92_Wide	Q3, Q4
2	2N3906	TO-92_Wide	Q5, Q6
1	POWER	Molex_KK-254_A-7478-06A_1x06_P2.54mm_Horizontal	J1
1	FIELD	TerminalBlock_Phoenix_MKDS-3-6-5.08_1x06_P5.08mm_Horizontal	J2
1	GPIO	TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal	J3
2	FIM_E	PinSocket_1x04_P2.54mm_Vertical	J4, J5
3	FIM_E	PinHeader_1x04_P2.54mm_Vertical	J6, J7, J8
2	GLM_F	PinSocket_1x06_P2.54mm_Vertical	J14, J15
2	GLM_F	PinHeader_1x06_P2.54mm_Vertical	J16, J17
2	GLM_B	PinHeader_1x04_P2.54mm_Vertical	J18, J21
2	GLM_B	PinSocket_1x04_P2.54mm_Vertical	J19, J20
2	WDM_I	PinSocket_1x04_P2.54mm_Vertical	J22, J23
1	TM	PinHeader_1x03_P2.54mm_Horizontal	J24
6	FIM_I	PinHeader_1x02_P2.54mm_Vertical	J25, J26, J27, J28, J30, J33

Show 34 more

Qty	Part	Footprint	Refs
1	WDM_I	PinHeader_1x04_P2.54mm_Vertical	J29
1	TM_0	PinSocket_1x03_P2.54mm_Horizontal	J31
1	TM_1	PinSocket_1x03_P2.54mm_Horizontal	J32
2	WDM_E	PinSocket_1x04_P2.54mm_Vertical	J34, J35
1	WDM_E	PinHeader_1x04_P2.54mm_Vertical	J36
4	FIM_I	PinSocket_1x02_P2.54mm_Vertical	J37, J38, J39, J40
2	F1A	Fuseholder_Clip-5x20mm_Bel_FC-203-22_Lateral_P17.80x5.00mm_D1.17mm_Horizontal	F1, F2
4	~{WD_DB}	PinHeader_1x02_P2.54mm_Vertical	JP3, JP4, JP5, JP6
2	275V/150V	RV_Disc_D7mm_W3.4mm_P5mm	RV1, RV2
2	27V	D_DO-41_SOD81_P5.08mm_Vertical_KathodeUp	D1, D2
8	1N4001	D_DO-41_SOD81_P5.08mm_Vertical_KathodeUp	D3, D4, D5, D6, D7, D8, D9, D10
2	1N5822	D_DO-201AD_P5.08mm_Vertical_KathodeUp	D11, D12
2	KBP204G	Diode_Bridge_KBP_14.5x3.5x10.0mm_P3.81mm	D13, D14
2	FAULT	LED_D3.0mm	D15, D16
6	75V/62V	D_DO-41_SOD81_P5.08mm_Vertical_KathodeUp	D17, D18, D19, D20, D23, D24
2	10V	D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp	D21, D22
1	~{GPIO_0}	LED_D3.0mm_Horizontal_O1.27mm_Z2.0mm	D25
1	~{GPIO_1}	LED_D3.0mm_Horizontal_O3.81mm_Z6.0mm	D26
1	~{GPIO_2}	LED_D3.0mm_Horizontal_O1.27mm_Z2.0mm	D27
1	~{GPIO_3}	LED_D3.0mm_Horizontal_O3.81mm_Z6.0mm	D28
2	10nF	C_Disc_D11.0mm_W5.0mm_P7.50mm	C1, C2
2	100nF	C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2	C3, C4
1	3.3uF	CP_Radial_D5.0mm_P2.00mm	C5
3	100nF	C_Rect_L4.0mm_W2.5mm_P2.50mm	C6, C7, C8
6	40K/20K	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R1, R2, R3, R4, R7, R8
2	3K3	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R5, R6
6	10K	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R9, R10, R14, R16, R17, R18
2	100R	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R11, R12
6	1K	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R13, R15, R32, R33, R34, R35
4	100K	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R19, R20, R25, R26
4	10K/4.7K	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R21, R22, R23, R24
2	390R	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R27, R28
2	4K7	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	R29, R30
1	470K	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R31

Valhalla MOD XVR(4IO) design files

The KiCad project lives in the csdexter/valhalla repository on GitHub; these links point at the commit this page was built from.

Valhalla MOD XVR(4IO): common questions

How big is the Valhalla MOD XVR(4IO) PCB?

The Valhalla MOD XVR(4IO) measures 99.6 × 99.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Valhalla MOD XVR(4IO)?

128 components, from 54 distinct parts. The full bill of materials is listed on this page.

Where can I download the Valhalla MOD XVR(4IO) design files?

From the csdexter/valhalla repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Valhalla MOD XVR(4IO) design in my own project?

Yes, under the terms of its GPL-3.0 license, which csdexter chose for the repository.

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