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MCU Datalogger003 4Layer

YUKESH0620·MCB-Datalogger-with-memory-and-clock·Kicad_Files/MCU_Datalogger003_4Layer.kicad_pcb

MCU Datalogger003 4Layer PCB layout, top view — open source AVR/Arduino board by YUKESH0620

About the MCU Datalogger003 4Layer PCB

MCU Datalogger003 4Layer is an open source AVR/Arduino PCB design by YUKESH0620, published on GitHub under the MIT license. It is a 4-layer board measuring 57.2 × 39.1 mm, with 25 components from 17 distinct parts.

Its main chip is the ATMEGA328P-AU, from the AVR/Arduino family. Other key parts include the DS1337S and 24LC1025. By type, the board carries 7 resistors, 5 capacitors, 4 ICs, 4 connectors, 2 crystals and 2 diodes.

It belongs with the power & battery designs in this gallery.

From the project

A lightweight data logging board designed in KiCad, built around an EEPROM and RTC for storing timestamped data.

A compact, low-power data-logging board designed in KiCad (v9.0.4). The board is built around an ATmega328P-AU microcontroller, a DS1337S real-time clock (RTC) with a 32.768 kHz crystal, and two 24LC1025 I²C EEPROM devices for extended timestamped data storage. The design is a 2-layer custom PCB sized 87.63mm × 39.116mm and is powered by a coin-cell battery (BT1) for RTC backup. Data can be accessed via I²C or UART; the MCU is programmable by ICSP or a UART bootloader.

MCU Datalogger003 4Layer, from the project README
From the project README

Main components on the MCU Datalogger003 4Layer

ATMEGA328P-AUDS1337S24LC1025

MCU Datalogger003 4Layer bill of materials (BOM)

25 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA328P-AU
24LC1025
Microchip
U1
1
DS1337S
DS1337S_
Maxim
U2
1
24LC1025
Microchip
U3
1
24LC1025
ATMEGA328P-AU
Microchip
U4
1
32.768 KHz
Y1
1
16MHz
Y2
2
Conn_01x04_Pin
J1, J2
1
Conn_01x09_Pin
J3
1
Conn_02x03_Odd_Even
J4
1
Battery
BT1
2
LED
D1, D2
2
0.1uF
C1, C4
2
22pF
C2, C3
1
100nF
C5
3
10K
R1, R2, R6
2
4.7K
R3, R4
2
330
R5, R7

MCU Datalogger003 4Layer design files

The KiCad project lives in the YUKESH0620/MCB-Datalogger-with-memory-and-clock repository on GitHub; these links point at the commit this page was built from.

MCU Datalogger003 4Layer: common questions

What microcontroller does the MCU Datalogger003 4Layer use?

The MCU Datalogger003 4Layer is built around the ATMEGA328P-AU, from the AVR/Arduino family.

How big is the MCU Datalogger003 4Layer PCB?

The MCU Datalogger003 4Layer measures 57.2 × 39.1 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the MCU Datalogger003 4Layer?

25 components, from 17 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 MCU Datalogger003 4Layer design files?

From the YUKESH0620/MCB-Datalogger-with-memory-and-clock repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the MCU Datalogger003 4Layer design in my own project?

Yes, under the terms of its MIT license, which YUKESH0620 chose for the repository.

Can I test firmware for the MCU Datalogger003 4Layer 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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