HardLabs

JONICA

mhechavarria·color-caps-classifier·Circuito/Circuito v1/JONICA.kicad_pcb

JONICA PCB layout, top view — open source AVR/Arduino board by mhechavarria

About the JONICA PCB

JONICA is an open source AVR/Arduino PCB design by mhechavarria, published on GitHub. It is a 2-layer board measuring 276 × 165.3 mm, with 59 components from 28 distinct parts.

Its main chip is the Arduino_UNO_R3, from the AVR/Arduino family. Other key parts include the LM358, L7805, LM324, 74LS08 and ULN2003A. By type, the board carries 31 resistors, 9 connectors, 8 ICs, 5 modules, 4 transistors and 2 capacitors.

It belongs with the robotics & motion and sensors designs in this gallery.

From the project

A project made mostly in python to classifie color caps using OpenCV

A mechatronic machine that classifies soda-bottle caps by color from a camera feed and physically sorts them into per-color outputs in real time. It combines computer vision (OpenCV on a Raspberry Pi), finite-state-machine firmware on an Arduino / ATmega328P, custom PCBs, and 3D-printed mechanical parts.

📹 Demo video: https://drive.google.com/open?id=1r29vyWqCW7NpwiLaEyCusYoAQh5E9Sr1

Main components on the JONICA

LM358L7805LM32474LS08ULN2003ACNY70Pololu_Breakout_A4988Arduino_UNO_R3

JONICA bill of materials (BOM)

59 components, 28 distinct parts.

QtyPartRefs
1
LM358
U1
1
L7805
U2
1
LM324
U3
1
74LS08
U4
1
ULN2003A
U5
3
CNY70
U6, U7, U8
4
Pololu_Breakout_A4988
A1, A2, A4, A5
1
Arduino_UNO_R3
A3
4
IRLZ44N
Q1, Q2, Q3, Q4
1
SENSOR3
J1
1
M0-MOSFET
J2
1
UART
J3
1
M1
J4
1
M2
J5
1
M3
J6
1
M0-POLOLU
J7
1
SENSOR2
J8
1
SENSOR1
J9
1
330nF
C1
1
100nF
C2
Show 8 more
QtyPartRefs
7
10k
R1, R16, R18, R20, R21, R22, R23
3
220
R2, R3, R4
3
39k
R5, R6, R7
3
1k6
R8, R9, R10
4
1k5
R11, R13, R24, R26
4
4k7
R12, R14, R25, R27
3
47k
R15, R17, R19
4
3.9
R28, R29, R30, R31

JONICA design files

The KiCad project lives in the mhechavarria/color-caps-classifier repository on GitHub; these links point at the commit this page was built from.

JONICA: common questions

What microcontroller does the JONICA use?

The JONICA is built around the Arduino_UNO_R3, from the AVR/Arduino family.

How big is the JONICA PCB?

The JONICA measures 276 × 165.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the JONICA?

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

Where can I download the JONICA design files?

From the mhechavarria/color-caps-classifier repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the JONICA design in my own project?

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

Can I test firmware for the JONICA 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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