HardLabs

Tier 555

ieee-cas-unmsm·open-day-oct·aldo-antonella-555/Tier 555/Tier 555.kicad_pcb

Tier 555 PCB layout, top view — open source board by ieee-cas-unmsm

About the Tier 555 PCB

Tier 555 is an open source PCB design by ieee-cas-unmsm, published on GitHub. It is a 2-layer board measuring 139.7 × 54.4 mm, with 51 components from 20 distinct parts.

By type, the board carries 26 transistors, 17 resistors and 8 connectors.

Tier 555 bill of materials (BOM)

51 components, 20 distinct parts.

QtyPartRefs
13
2N3904
Q1, Q2, Q3, Q4, Q14, Q15, Q16, Q17 +5
13
2N3906
Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12 +5
1
GND
J1
1
Trigger
J2
1
Output
J3
1
Reset
J4
1
Control Voltage
J5
1
Threshold
J6
1
Discharge
J7
1
Vcc
J8
7
4.7k
R1, R3, R7, R8, R9, R11, R15
1
820
R2
1
1k
R4
1
10k
R5
2
100k
R6, R17
1
15k
R10
1
6.8k
R12
1
3.9k
R13
1
220
R14
1
100
R16

Tier 555 design files

The KiCad project lives in the ieee-cas-unmsm/open-day-oct repository on GitHub; these links point at the commit this page was built from.

Tier 555: common questions

How big is the Tier 555 PCB?

The Tier 555 measures 139.7 × 54.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Tier 555?

51 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the Tier 555 design files?

From the ieee-cas-unmsm/open-day-oct repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Tier 555 design in my own project?

The repository has no license, so all rights stay with ieee-cas-unmsm. Use it as a reference, and ask the author before reusing the design.

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