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JellyLoad-Combi V2-0

StefanoGaivota·Optical-Data-Channel-JellyLoad-Hardware·JellyLoad-Combi_V2-0/JellyLoad-Combi_V2-0.kicad_pcb

JellyLoad-Combi V2-0 PCB layout, top view — open source board by StefanoGaivota

About the JellyLoad-Combi V2-0 PCB

JellyLoad-Combi V2-0 is an open source PCB design by StefanoGaivota, published on GitHub under the MIT license. It is a 2-layer board measuring 26 × 35 mm, with 26 components from 8 distinct parts.

Other key parts include the 74HC14. By type, the board carries 10 resistors, 9 transistors, 2 ICs, 2 diodes, 2 capacitors and 1 connector.

It belongs with the retro computing designs in this gallery.

From the project

JellyLoad Optical Data Channel receiver interface hardware

Jelly Load is touted as one of the most inconvenient (but also most fun) ways of loading data into your 8 bit computer. The concept is the collaborative creation of Dave Curran (Tynemouth Software) and Rod Hull (The Future Was 8 bit).

Take a look here: https://www.tfw8b.com/introducing-jelly-load/ for a historical account.

The loader binaries for VIC20 can be found here: https://www.tfw8b.com/wp-content/uploads/2024/09/JellyLoad-VIC20-240908.zip (different ones depending upon your RAM configuration)

JellyLoad-Combi V2-0, from the project README
From the project README

Main components on the JellyLoad-Combi V2-0

74HC14

JellyLoad-Combi V2-0 bill of materials (BOM)

26 components, 8 distinct parts.

QtyPartRefs
2
74HC14
U1, U2
9
SFH3710-4
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +1
1
Conn_02x07_Odd_Even
J1
1
LED
D1
1
PMEG4010EH
D2
2
100nF
C1, C2
9
820k
R1, R3, R4, R5, R6, R7, R8, R9 +1
1
4k7
R2

JellyLoad-Combi V2-0 design files

The KiCad project lives in the StefanoGaivota/Optical-Data-Channel-JellyLoad-Hardware repository on GitHub; these links point at the commit this page was built from.

JellyLoad-Combi V2-0: common questions

How big is the JellyLoad-Combi V2-0 PCB?

The JellyLoad-Combi V2-0 measures 26 × 35 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the JellyLoad-Combi V2-0?

26 components, from 8 distinct parts. The full bill of materials is listed on this page.

Where can I download the JellyLoad-Combi V2-0 design files?

From the StefanoGaivota/Optical-Data-Channel-JellyLoad-Hardware repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the JellyLoad-Combi V2-0 design in my own project?

Yes, under the terms of its MIT license, which StefanoGaivota chose for the repository.

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