AT65C02 HEX Expansion Board

Kayto·AT65C02·KiCad/Hex Display Rev003/AT65C02_HEX_rev003.kicad_pcb

AT65C02 HEX Expansion Board layout, top view — open source board by Kayto

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About the AT65C02 HEX Expansion Board

AT65C02 HEX Expansion Board is an open source PCB design by Kayto, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 86.9 × 83.1 mm, with 42 components from 16 distinct parts.

Other key parts include the NE555P, GAL16V8 and E10561. By type, the board carries 17 resistors, 10 ICs, 6 transistors, 5 capacitors and 2 connectors.

It belongs with the retro computing designs in this gallery.

From the project

AT65C02 Hobby Computer

ATOS Software Released! The main software suite for AT65C02 is now available in the Software_ATOS directory. ATOS (AT65C02 Operating System) provides a complete ROM-based monitor (SMON), interactive shell, trace/debugging commands, loadable program support, and integrated EhBASIC. The codebase has been extensively cleaned up and optimized with comprehensive documentation. This is now the recommended primary software for the AT65C02 platform.

AT65C02 HEX Expansion Board, from the project README — From the project README

Main components on the AT65C02 HEX Expansion Board

NE555P GAL16V8 E10561

AT65C02 HEX Expansion Board bill of materials (BOM)

42 components, 16 distinct parts.

Qty	Part	Footprint	Refs
1	NE555P	DIP-8_W7.62mm_Socket	U1
3	GAL16V8	DIP-20_W7.62mm_Socket	U2, U3, U4
6	E10561	7SegmentLED_LTS6760_LTS6780	U5, U6, U7, U8, U9, U10
6	BC557	TO-92_Inline	Q1, Q2, Q3, Q4, Q5, Q6
1	Expansion Connector	PinHeader_2x13_P2.54mm_Vertical	J1
1	Conn_01x03	PinHeader_1x03_P2.54mm_Vertical	J3
2	R_POT_Small	Potentiometer_Piher_PT-10-V10_Vertical	RV1, RV2
2	0.01uF	C_Disc_D5.0mm_W2.5mm_P5.00mm	C1, C5
3	100n	C_Disc_D5.0mm_W2.5mm_P5.00mm	C2, C3, C4
1	1k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R1
1	100k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R2
4	4k7	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R7, R8, R11, R12
4	18k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R9, R10, R13, R14
2	2k2	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R15, R16
2	680	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R17, R18
3	100	DIP-16_W7.62mm_Socket	RN1, RN2, RN3

AT65C02 HEX Expansion Board design files

The KiCad project lives in the Kayto/AT65C02 repository on GitHub; these links point at the commit this page was built from.

LayoutKiCad/Hex Display Rev003/AT65C02_HEX_rev003.kicad_pcb

AT65C02 HEX Expansion Board: common questions

How big is the AT65C02 HEX Expansion Board?

The AT65C02 HEX Expansion Board measures 86.9 × 83.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the AT65C02 HEX Expansion Board?

42 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the AT65C02 HEX Expansion Board design files?

From the Kayto/AT65C02 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the AT65C02 HEX Expansion Board design in my own project?

Yes, under the terms of its CERN-OHL-1.2 license, which Kayto chose for the repository.

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