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Easyduino Atmega

Hanqaqa·Easyduino·Atmega328p Arduino Uno/Easyduino_Atmega.kicad_pcb

Easyduino Atmega PCB layout, top view — open source AVR/Arduino board by Hanqaqa
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About the Easyduino Atmega PCB

Easyduino Atmega is an open source AVR/Arduino PCB design by Hanqaqa, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 68.8 × 53.6 mm, with 35 components from 20 distinct parts.

Its main chip is the ATMEGA328P-A, from the AVR/Arduino family. Other key parts include the CH340C, AMS1117-5V and AMS1117-3.3V. By type, the board carries 12 capacitors, 7 resistors, 5 diodes, 4 ICs, 3 connectors and 1 crystal.

It belongs with the usb & debug tools and dev boards & breakouts designs in this gallery.

From the project

Easily dive into different PCB KiCad designs of the most popular microcontroller devboards

The Microcontroller that propelled the Maker and Hobbyst movements

- Input Voltage: 6.5V-15V(External Source Vin) 5V (USB). Both can be used at the same time. - 5V Output Current: 1A (External Source) 500mA (USB) - 3.3V Output Current: 500mA (External Source) 250 mA (USB) - Polarity Protection (External Source) diode D2 - Overcurrent Protection: None (External Source) 1A (USB) - 5V Autoselector: can take both USB and external source. A diode will avoid short circuit - External Input Polarity protection: A diode will protect the circuit from a wrongly inserted battery.

Easyduino Atmega, from the project README
From the project README

Main components on the Easyduino Atmega

CH340CATMEGA328P-AAMS1117-5VAMS1117-3.3V

Easyduino Atmega bill of materials (BOM)

35 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CH340C
U1
1
ATMEGA328P-A
ATmega328P-A
U2
1
AMS1117-5V
U3
1
AMS1117-3.3V
U4
1
16MHZ
16MHz
Y1
1
USB_C_RECEPTACLE_USB2.0
USB_C_Receptacle_USB2.0
J1
1
CONN_01X02_PIN
Conn_01x02_Pin
J2
1
-
ICSP
J3
1
C70077
Polyfuse
F1
1
SW_Push
SW1
1
PRTR5V0U2X
D1
2
C8598
D_Schottky
D2, D3
2
LED
D4, D5
1
10UH
10uH
L1
7
100N
100n
C1, C2, C3, C4, C5, C6, C7
2
22P
22p
C8, C9
3
22U
22u
C10, C11, C12
4
5.1K
5.1k
R1, R2, R3, R4
1
330
R5
2
2k
R6, R7

Easyduino Atmega design files

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

Easyduino Atmega: common questions

What microcontroller does the Easyduino Atmega use?

The Easyduino Atmega is built around the ATMEGA328P-A, from the AVR/Arduino family.

How big is the Easyduino Atmega PCB?

The Easyduino Atmega measures 68.8 × 53.6 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Easyduino Atmega?

35 components, from 20 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 Easyduino Atmega design files?

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

Can I use the Easyduino Atmega design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which Hanqaqa chose for the repository.

Can I test firmware for the Easyduino Atmega 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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