HardLabs

B780 CPU

chregu82·RevoxB780·NewCpuPCB/B780_CPU.kicad_pcb

B780 CPU PCB layout, top view — open source AVR/Arduino board by chregu82

About the B780 CPU PCB

B780 CPU is an open source AVR/Arduino PCB design by chregu82, published on GitHub. It is a 2-layer board measuring 36 × 70 mm, with 8 components from 7 distinct parts.

Its main chip is the ATmega324PB, from the AVR/Arduino family. By type, the board carries 3 connectors, 2 capacitors, 2 resistors and 1 IC.

Main components on the B780 CPU

ATmega324PB

B780 CPU bill of materials (BOM)

8 components, 7 distinct parts.

QtyPartRefs
1
ATmega324PB
U1
1
MK3875
J1
1
JTAG
J2
1
UART
J3
2
100n
C1, C2
1
10K
R1
1
6K8
R2

B780 CPU design files

The KiCad project lives in the chregu82/RevoxB780 repository on GitHub; these links point at the commit this page was built from.

B780 CPU: common questions

What microcontroller does the B780 CPU use?

The B780 CPU is built around the ATmega324PB, from the AVR/Arduino family.

How big is the B780 CPU PCB?

The B780 CPU measures 36 × 70 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the B780 CPU?

8 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the B780 CPU design files?

From the chregu82/RevoxB780 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the B780 CPU design in my own project?

The repository has no license, so all rights stay with chregu82. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the B780 CPU 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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