2 layers50.2 × 31.2 mm
MCU Datalogger
futureshocked/KLP4e_MCU-Datalogger
This is the repository for the "MCU Datalogger" project.
31 parts138MIT
2 layers50.5 × 30 mm
TestProj02
chrs89/PCBA- Size
- 50.5 × 30 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 35
- Pads
- 117
- Tracks, vias
- 450, 31
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 7 Aug 2025
- Updated
- 12 Aug 2025
Overview
TestProj02 is an open-source printed circuit board by chrs89, from the chrs89/PCBA repository on GitHub. It is a 2-layer board of 50.5 × 30 mm with 29 parts on 35 nets, routed with 450 tracks and 31 vias.
It is built around the ATMEGA328P-AU, 24LC1025-I/P and DS1337S+T&R. Its parts include 7 resistors, 5 capacitors, 4 ICs, 4 connectors and 2 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATMEGA328P-AU
TQFP-32(7x7)-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
24LC1025-I/P
PDIP-8-40℃~+85℃ 1,000,000 cycles 2.5V~5.5V 200 Years 400kHz 5ms Hardware write protection function、Noise suppression function I2C PDIP-8 EEPROM ROHSMicrochip TechnologyEEPROM
DS1337S+T&R
SOIC-8-40℃~+85℃ 1.8V~5.5V 100nA 150uA External I2C Programmable clock output、Alarm function Yes SOIC-8 Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time Clocks
README
README.md"# PCBA"
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_2.1mm | H1, H2, H3, H4 |
| 2 | 0.1 µF | Capacitor_SMD:C_0805_2012Metric | C1, C4 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric | C2, C3 |
| 2 | 24LC1025 | Package_SO:SOIC-8_5.3x5.3mm_P1.27mm | U1, U3 |
| 2 | 330 | Resistor_SMD:R_0805_2012Metric | R5, R7 |
| 2 | 4.7K | Resistor_SMD:R_0805_2012Metric | R2, R4 |
| 2 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3, J4 |
| 2 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2 |
| 1 | 10 K | Resistor_SMD:R_0805_2012Metric | R1 |
| 1 | 100mF | Capacitor_SMD:C_0805_2012Metric | C5 |
| 1 | 10K | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 15 K | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | 16 Mhz | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm_HandSoldering | Y2 |
| 1 | 32.768 KHZ | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm_HandSoldering | Y1 |
| 1 | ATMEGA328P-AU | Footprints:QFP80P900X900X120-32N | U4 |
| 1 | Battery | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | BT1 |
| 1 | Conn_01x09_Pin | Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical | J2 |
| 1 | Conn_02x03_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J1 |
| 1 | DS1337S_ | Footprints:SOIC127P600X175-8N | U2 |
Questions
How big is the TestProj02 PCB?
It measures 50.5 × 30 mm and has 2 copper layers, 1.6 mm thick.
What parts does the TestProj02 use?
29 parts, built around the ATMEGA328P-AU, 24LC1025-I/P and DS1337S+T&R. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the TestProj02 KiCad files?
From the chrs89/PCBA repository on GitHub, at the commit this page was made from: the board is testProj02.kicad_pcb and its schematic connectors.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the TestProj02 design in my own project?
Its repository states no licence, so its author keeps all rights: ask chrs89 before reusing the design.
Similar boards
- 2 layers42.7 × 24.4 mm
BACEE
futureshocked/KicadLikeAPro-Project-3-BACEE
This is one of the PCB projects from the Kicad Like a Pro book. It contains a two and four layer board that implements an Arduino clone with external EEPROM and a clock.
20 parts19MIT - 4 layers49.3 × 34.1 mm
Dattalogger Board
DevMajed/DataLogger-Board
Hardware PCB Design for AVR-based Datalogger using KiCAD
30 parts4 - 2 layers55.7 × 37.2 mm
- 2 layers41.4 × 27.7 mm
- 4 layers50 × 30 mm
Datalogger v1
GildardoRestrepo/course_electronics_design
Repositorio de actividades entregables del curso de diseño electrónico. UPB 2026-02
35 parts1MIT - 2 layers52.2 × 34.4 mm
MCU DataLoggerPCB
lologog/MCU_DataLogger
A microcontroller-based device for logging and storing data from external sensors. The data is saved to EEPROM memory for later retrieval and analysis
30 parts1MIT - 2 layers51.4 × 38.7 mm
