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Electric Eel Wheel 5

mribble·ElectricEelWheel5·Pcb/Eew5/EEW5.kicad_pcb

Electric Eel Wheel 5 PCB layout, top view — open source AVR/Arduino board by mribble

About the Electric Eel Wheel 5 PCB

Electric Eel Wheel 5 is an open source AVR/Arduino PCB design by mribble, published on GitHub. It is a 2-layer board measuring 62 × 48.9 mm, with 59 components from 28 distinct parts.

Its main chip is the ATTINY45-P, from the AVR/Arduino family. Other key parts include the KA78xxE, KA7805E, CD74AC00, IX4428N and SI4554DY. By type, the board carries 20 capacitors, 13 resistors, 8 ICs, 8 connectors, 5 diodes and 2 crystals.

From the project

The Electric Eel Wheel 5 is an electric spinning wheel that converts fiber (an example being sheep's wool) into yarn. This site contains the open source files for this project. It includes source code, CAD models, PCB design files, and documentation source files.

Main components on the Electric Eel Wheel 5

ATTINY45-PKA78xxEKA7805ECD74AC00IX4428NSI4554DY

Electric Eel Wheel 5 bill of materials (BOM)

59 components, 28 distinct parts.

QtyPartRefs
1
ATTINY45-P
U1
1
KA78xxE
U2
1
KA7805E
U3
1
CD74AC00
U4
2
IX4428N
U5, U6
2
SI4554DY
U7, U8
2
HOLE
X1, X2
1
JACK_STEREO_SW
J1
1
JACK_DC
J2
1
Motor
P1
1
Motor
P2
1
Speed
P3
1
Aux
P4
1
Status I/O
P5
1
R/PE
P6
1
PTC-1.25A
F1
2
CONN_1
PS1, PS2
1
LED_RT
D1
2
Green
D2, D3
1
R/G
D4
Show 8 more
QtyPartRefs
1
Red
D5
3
100uF
C1, C4, C10
13
0.1uF
C2, C3, C5, C6, C8, C9, C14, C15 +5
4
1uF
C7, C11, C12, C13
1
10k
R1
1
820
R2
4
0k
R3, R4, R12, R13
7
270
R5, R6, R7, R8, R9, R10, R11

Electric Eel Wheel 5 design files

The KiCad project lives in the mribble/ElectricEelWheel5 repository on GitHub; these links point at the commit this page was built from.

Electric Eel Wheel 5: common questions

What microcontroller does the Electric Eel Wheel 5 use?

The Electric Eel Wheel 5 is built around the ATTINY45-P, from the AVR/Arduino family.

How big is the Electric Eel Wheel 5 PCB?

The Electric Eel Wheel 5 measures 62 × 48.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Electric Eel Wheel 5?

59 components, from 28 distinct parts. The full bill of materials is listed on this page.

Where can I download the Electric Eel Wheel 5 design files?

From the mribble/ElectricEelWheel5 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Electric Eel Wheel 5 design in my own project?

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

Can I test firmware for the Electric Eel Wheel 5 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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