Octal display
About the Octal display PCB
Octal display is an open source PCB design by ibm2030, published on GitHub. It is a 2-layer board measuring 140 × 100 mm, with 69 components from 23 distinct parts.
Other key parts include the 74LS05, 74LS07 and 74LS00. By type, the board carries 29 resistors, 23 transistors, 6 ICs, 4 connectors, 3 LEDs and 3 capacitors.
It belongs with the displays & leds designs in this gallery.
From the project
EDUC-8 recreation by Gwyllym Suter
Main components on the Octal display
Octal display bill of materials (BOM)
69 components, 23 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS05 74164 | DIP-14_W7.62mm_LongPads | U1 |
| 2 | 74LS05 74LS48 | DIP-16_W7.62mm | U2, U3 |
| 1 | 74LS07 74LS48 | DIP-16_W7.62mm | U4 |
| 1 | 74LS07 74LS37 | DIP-14_W7.62mm | U5 |
| 1 | 74LS00 74LS13 | DIP-14_W7.62mm | U6 |
| 21 | BC547 | TO-92_Inline_Wide | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +13 |
| 2 | BC108 | TO-18-3 | Q23, Q24 |
| 1 | Conn_01x08_Female | PinSocket_1x08_P2.54mm_Vertical | J1 |
| 1 | Conn_01x04_Female | PinSocket_1x04_P2.54mm_Vertical | J2 |
| 1 | CONN_01X16_FEMALE Conn_01x04_Male | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | CONN_01X04_FEMALE Conn_01x04_Female | PinSocket_1x04_P2.54mm_Vertical | J4 |
| 3 | LTS-6980HR | 7SegmentLED_LTS6760_LTS6780 | AFF1, AFF2, AFF3 |
| 1 | AC0 2N6027 | TO-92_Inline_Wide | D1 |
| 1 | 100NF 100nF | C_Rect_L7.0mm_W2.5mm_P5.00mm | C1 |
| 1 | 47UF 1nF | C_Disc_D5.0mm_W2.5mm_P5.00mm | C2 |
| 1 | 1NF 47uF | CP_Radial_D5.0mm_P2.50mm | C3 |
| 22 | 180R 81R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 +14 |
| 2 | 180R 6K8 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R23, R24 |
| 1 | 180R 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R25 |
| 1 | 180R 470R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R26 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 180R 2K2 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R27 |
| 1 | 180R 47k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R28 |
| 1 | 180R 10R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R29 |
Octal display design files
The KiCad project lives in the ibm2030/EDUC8 repository on GitHub; these links point at the commit this page was built from.
Octal display: common questions
How big is the Octal display PCB?
The Octal display measures 140 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Octal display?
69 components, from 23 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 Octal display design files?
From the ibm2030/EDUC8 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 Octal display design in my own project?
The repository has no license, so all rights stay with ibm2030. Use it as a reference, and ask the author before reusing the design.
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eez-open