HardLabs

Main

mekatronik-achmadi·openpv·test-bench/main/main.kicad_pcb

Main PCB layout, top view — open source AVR/Arduino board by mekatronik-achmadi

About the Main PCB

Main is an open source AVR/Arduino PCB design by mekatronik-achmadi, published on GitHub. It is a 2-layer board measuring 133.7 × 97 mm, with 43 components from 18 distinct parts.

Its main chip is the ATMEGA128-A, from the AVR/Arduino family. Other key parts include the 4511N_DIL16, LM2596S_TO263-5 and PCF8563. By type, the board carries 14 resistors, 12 connectors, 7 diodes, 4 ICs, 2 capacitors and 1 crystal.

Main components on the Main

ATMEGA128-A4511N_DIL16LM2596S_TO263-5PCF8563

Main bill of materials (BOM)

43 components, 18 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA128-A
IC1
1
4511N_DIL16
U1
1
LM2596S_TO263-5
U2
1
PCF8563
U3
1
32khz
Y1
1
BARREL_JACK
CON-REG1
1
CONN_01X06
P-ASP1
8
CONN_02X08
P-LAMP1, P-LAMP2, P-LAMP3, P-LAMP4, P-LAMP5, P-LAMP6, P-LAMP7, P-LAMP8
1
CONN_01X02
P-RTCBATT1
1
CONN_01X04
P-UART1
1
D_Schottky
DS-REG1
1
5v6
DZ-REG1
4
LED
D1, D2, D3, D4
3
D
D-REG1, D-RTC1, D-RTC2
1
INDUCTOR
L-REG1
2
100uF 50v
C-REG1, C-REG2
11
330
R-DISP1, R-DISP2, R-DISP3, R-DISP4, R-DISP5, R-DISP6, R-DISP7, R-LED1 +3
3
4k7
R-RST1, R-RTC1, R-RTC2

Main design files

The KiCad project lives in the mekatronik-achmadi/openpv repository on GitHub; these links point at the commit this page was built from.

Main: common questions

What microcontroller does the Main use?

The Main is built around the ATMEGA128-A, from the AVR/Arduino family.

How big is the Main PCB?

The Main measures 133.7 × 97 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Main?

43 components, from 18 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Main design files?

From the mekatronik-achmadi/openpv repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Main design in my own project?

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

Can I test firmware for the Main 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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