HardLabs

Otopto01

minamonra·MKiCadPro·2025/opamp-opto-test/otopto01/otopto01.kicad_pcb

Otopto01 PCB layout, top view — open source board by minamonra

About the Otopto01 PCB

Otopto01 is an open source PCB design by minamonra, published on GitHub. It is a 2-layer board measuring 67 × 34 mm, with 23 components from 15 distinct parts.

Other key parts include the К293ЛП1А, TL081 and LM78M05. By type, the board carries 7 resistors, 4 relays, 4 capacitors, 3 ICs, 2 diodes and 1 connector.

From the project

MKiCadPro

Main components on the Otopto01

К293ЛП1АTL081LM78M05

Otopto01 bill of materials (BOM)

23 components, 15 distinct parts.

QtyPartRefs
1
К293ЛП1А
U1
1
TL081
U2
1
LM78M05
U3
1
Conn_2pin01
J1
1
Jumper_2_Bridged
JP1
4
test_point
K1, K2, K3, K4
1
BC547
T1
2
LED
D1, D2
3
47u
C1, C2, C3
1
C_CAP
C4
2
10k
R1, R2
1
22k
R3
1
18k
R4
2
330
R5, R8
1
510
R7

Otopto01 design files

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

Otopto01: common questions

How big is the Otopto01 PCB?

The Otopto01 measures 67 × 34 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Otopto01?

23 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the Otopto01 design files?

From the minamonra/MKiCadPro repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Otopto01 design in my own project?

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

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