HardLabs

FranzBoy

Franzininho·FranzBoy·hardware/FranzBoy/FranzBoy.kicad_pcb

FranzBoy PCB layout, top view — open source AVR/Arduino board by Franzininho
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About the FranzBoy PCB

FranzBoy is an open source AVR/Arduino PCB design by Franzininho, published on GitHub. It is a 2-layer board measuring 50 × 100 mm, with 43 components from 28 distinct parts.

Its main chip is the ATmega328-PU, from the AVR/Arduino family. Other key parts include the LM1117-3.3 and TP4056_BREAKOUT. By type, the board carries 11 resistors, 7 switches, 6 capacitors, 5 connectors, 5 diodes and 3 ICs.

It belongs with the displays & leds designs in this gallery.

From the project

Placa no formato de game para ensino de programação e desenvolvimento de jogos

FranzBoy é uma placa no formato de game. Possui display OLED, 6 teclas e é baseado no microcontolador Atmega328.

BOTÕES: - UP: PD3 - D3 - DOWN: PD4 - D4 - LEFT: PD2 - D2 - RIGHT: PD5 - D5 - A: PD6 - D6 - B: PD7 - D7

Como ainda não temos um bootloader específico para a Franzboy, vamos usar o bootloader do Arduino Uno emprestado.

Na IDE do Arduino, configure para a programação da placa Arduino UNO: - Ferramentas-> placa: Arduino Uno

Main components on the FranzBoy

ATmega328-PULM1117-3.3TP4056_BREAKOUT

FranzBoy bill of materials (BOM)

43 components, 28 distinct parts.

QtyPartRefs
1
ATmega328-PU
U1
1
LM1117-3.3
U2
1
TP4056_BREAKOUT
U3
2
MMBT3904
Q1, Q2
1
16 MHz
Y1
1
Conn_01x06_Male
J2
1
Conn_01x02_Male
J3
1
USB_B_Micro
J4
1
Conn_01x04_Male
J5
1
Conn_01x07_Male
J6
1
Battery_Cell
BT1
1
Buzzer
BZ1
6
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6
1
SW_SPDT
SW7
1
Oled96
LCD1
1
LED
D1
2
D_Zener
D2, D3
1
1N4148
D4
1
LD271
D5
2
100nF
C1, C4
Show 8 more
QtyPartRefs
2
22pF
C2, C3
2
10uF
C5, C6
1
10k
R1
2
4k7
R2, R3
4
1k
R4, R9, R10, R11
1
1k5
R5
1
1M
R6
2
68R
R7, R8

FranzBoy design files

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

FranzBoy: common questions

What microcontroller does the FranzBoy use?

The FranzBoy is built around the ATmega328-PU, from the AVR/Arduino family.

How big is the FranzBoy PCB?

The FranzBoy measures 50 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the FranzBoy?

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

Where can I download the FranzBoy design files?

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

Can I use the FranzBoy design in my own project?

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

Can I test firmware for the FranzBoy 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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