HardLabs

Optical Ring Encoder

lindamao-waterloop·waterloop_electrical·Optical Ring Encoder/Optical Ring Encoder.kicad_pcb

Optical Ring Encoder PCB layout, top view — open source AVR/Arduino board by lindamao-waterloop

About the Optical Ring Encoder PCB

Optical Ring Encoder is an open source AVR/Arduino PCB design by lindamao-waterloop, published on GitHub. It is a 2-layer board measuring 46.4 × 25.6 mm, with 20 components from 15 distinct parts.

Its main chip is the ATmega16M1-AU, from the AVR/Arduino family. Other key parts include the NCP1117-5V, TJA1051T, NCP1117-3.3V and OPB733TR. By type, the board carries 7 capacitors, 5 ICs, 5 resistors, 2 connectors and 1 crystal.

From the project

Version control for the Waterloop Electrical Team

Main components on the Optical Ring Encoder

ATmega16M1-AUNCP1117-5VTJA1051TNCP1117-3.3VOPB733TR

Optical Ring Encoder bill of materials (BOM)

20 components, 15 distinct parts.

QtyPartRefs
1
ATmega16M1-AU
U1
1
NCP1117-5V
U2
1
TJA1051T
U3
1
NCP1117-3.3V
U4
1
OPB733TR
U5
1
Crystal
Y1
1
ISP-6
J1
1
Conn_01x04_Male
J2
2
100n
C1, C7
2
100p
C2, C9
2
10p
C4, C5
1
100u
C6
1
10k
R1
2
80Ω
R3, R5
2
4.7k
R4, R6

Optical Ring Encoder design files

The KiCad project lives in the lindamao-waterloop/waterloop_electrical repository on GitHub; these links point at the commit this page was built from.

Optical Ring Encoder: common questions

What microcontroller does the Optical Ring Encoder use?

The Optical Ring Encoder is built around the ATmega16M1-AU, from the AVR/Arduino family.

How big is the Optical Ring Encoder PCB?

The Optical Ring Encoder measures 46.4 × 25.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Optical Ring Encoder?

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

Where can I download the Optical Ring Encoder design files?

From the lindamao-waterloop/waterloop_electrical repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Optical Ring Encoder design in my own project?

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

Can I test firmware for the Optical Ring Encoder without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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