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Teensyv

english1234·vstcm·Archive V2/Kicad schematic and PCB/teensyv.kicad_pcb

Teensyv PCB layout, top view — open source NXP board by english1234

About the Teensyv PCB

Teensyv is an open source NXP PCB design by english1234, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 100 × 100 mm, with 74 components from 30 distinct parts.

Its main chip is the TL3474, from the NXP family. Other key parts include the RB-0512D, MCP4922-E/P, Teensy4.1, TLE2425xLP and LP2950-5.0_TO92. By type, the board carries 27 resistors, 20 capacitors, 11 ICs, 7 connectors and 5 switches.

It belongs with the retro computing designs in this gallery.

From the project

The v.st Colour Mod - a colour vector generator based on the original v.st

When used with a computer (Raspberry Pi, PC, ...) running AdvanceMAME, it can be used to play classic colour (and monochrome) vector arcade games, but it can also play certain games all by itself using various emulators. If you search for vstcm on a well-known video sharing site you can see the board in action.

(Haven't got a vector monitor or an oscilloscope? Make your own, it's not that hard! - see below).

Teensyv, from the project README
From the project README

Main components on the Teensyv

TL3474RB-0512DMCP4922-E/PTeensy4.1TLE2425xLPLP2950-5.0_TO92TXS0108ELM2940T-5.0

Teensyv bill of materials (BOM)

74 components, 30 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
TL3474
IC1, IC6
1
RB-0512D
IC2
3
MCP4922-E/P
IC3, IC4, IC5
1
Teensy4.1
U1
1
TLE2425xLP
U2
1
LP2950-5.0_TO92
U3
1
TXS0108E
U4
1
LM2940T-5.0
U5
1
Conn_01x24_Male
J1
1
Conn_01x05_Male
J2
1
Conn_01x25_Male
J3
1
Conn_01x02_Male
J6
1
Conn_01x03_Male
J7
1
Conn_01x01_Male
J8
1
Conn_01x02_Male
J9
4
20K
RV1, RV2, RV3, RV4
5
SW_Push
SW1, SW2, SW3, SW4, SW5
2
1.0uF
C1, C19
2
10uF
C2, C6
8
0.1uF
C3, C7, C8, C11, C12, C13, C14, C17
Show 10 more
QtyPartRefs
3
4.7uF
C4, C9, C10
1
2.2uF
C5
3
10uF
C15, C16, C18
1
22uF
C20
2
5K
R1, R2
14
10k
R3, R4, R5, R6, R9, R11, R13, R14 +6
2
20K
R7, R8
3
68R
R12, R15, R16
5
75R
R17, R18, R19, R20, R21
1
1K
R25

Teensyv design files

The KiCad project lives in the english1234/vstcm repository on GitHub; these links point at the commit this page was built from.

Teensyv: common questions

What microcontroller does the Teensyv use?

The Teensyv is built around the TL3474, from the NXP family.

How big is the Teensyv PCB?

The Teensyv measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Teensyv?

74 components, from 30 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Teensyv design files?

From the english1234/vstcm repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Teensyv design in my own project?

Yes, under the terms of its GPL-2.0 license, which english1234 chose for the repository.

Can I test firmware for the Teensyv without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.

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