Printed Circuit Boards I've Made

Generally, I make boards that are 10cm x 10cm, because that's the "cheap" option at JLCPCB. Those boards have mounting holes that are 5mm in from each edge and 4.5mm wide. This means that I can stack boards using either long screws or various spacers.

Click on a picture for more details about the board, click XL to see a high resolution image.

IKCH-18 8 Channel Intercept Board

REV A 2021-04-01
REV A 2021-04-01
REV A 2021-04-01 XL

IKCH-31 LED Clock Series

REV C 2023-01-03
REV C 2023-01-03
REV C 2023-01-03 XL
REV I 2025-08-25
REV I 2025-08-25
REV I 2025-08-25 XL
REV K 2026-01-08
REV K 2026-01-08
REV K 2026-01-08 XL

IKCH-33 3-Input, 3-Output Arbitrary Function Generator

REV B 2025-10-28
REV B 2025-10-28
REV B 2025-10-28 XL
REV C (planned)
REV C (planned)
REV C (planned) XL

IKCH-40 IBM PC/AT Keyboard Interface

REV A 2025-04-30
REV A 2025-04-30
REV A 2025-04-30 XL
REV B (planned)
REV B (planned)
REV B (planned) XL
XL
XL

IKCH-44 6809 Emulator

REV B 2023-12-26
REV B 2023-12-26
REV B 2023-12-26 XL

IKCH-49 Cathouse

REV A 2025-05-27
REV A 2025-05-27
REV A 2025-05-27 XL

IKCH-50 32-Bit Shift Register LED

REV A 2025-06-17
REV A 2025-06-17
REV A 2025-06-17 XL
REV Z 2025-11-16
REV Z 2025-11-16
REV Z 2025-11-16 XL

IKCH-54 Rotary Encoder

REV A 2025-10-17
REV A 2025-10-17
REV A 2025-10-17 XL
REV Z 2025-12-26
REV Z 2025-12-26
REV Z 2025-12-26 XL

IKCH-55 IC Tester

REV B 2025-11-07
REV B 2025-11-07
REV B 2025-11-07 XL
REV C (planned)
REV C (planned)
REV C (planned) XL

IKCH-56 Binner Control Board

REV B 2025-12-28
REV B 2025-12-28
REV B 2025-12-28 XL
REV C (planned)
REV C (planned)
REV C (planned) XL

IKCH-58 Universal Adaptor Boards

REV A 2026-03-26
REV A 2026-03-26
REV A 2026-03-26 XL
REV B 2026-04-05
REV B 2026-04-05
REV B 2026-04-05 XL
XL
XL