ControlBoard rev05a
plertvilai·IPAX·PCBs/Control_board/controlBoard_rev05a.kicad_pcb
About the ControlBoard rev05a PCB
ControlBoard rev05a is an open source AVR/Arduino PCB design by plertvilai, published on GitHub under the MIT license. It is a 2-layer board measuring 44.5 × 57.8 mm, with 64 components from 31 distinct parts.
Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the INA181, Pi_Header, coin_cell, FTDI_Basic and DS3231MZ. By type, the board carries 21 resistors, 16 capacitors, 12 connectors, 7 ICs, 4 transistors and 2 diodes.
From the project
In situ Plankton Assemblage eXplorer
This Github repository contains all information necessary to build the In Situ Plankton Assemblage eXplorer (IPAX). Here is a brief introduction to how to utilize the repository.
A detail building guide is given in the Building Guide subfolder. Note that this guide is written in HTML format. To read it, simply download the entire folder and use a browser to open the file index.html.

Main components on the ControlBoard rev05a
ControlBoard rev05a bill of materials (BOM)
64 components, 31 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega328P-AU | TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | INA181 | SOT-23-6 | U4 |
| 1 | Pi_Header | RPi_Cobbler | U5 |
| 1 | coin_cell | BK870_CR1025holder | U7 |
| 1 | FTDI_Basic | PinHeader_1x06_P2.54mm_Vertical | U8 |
| 1 | DS3231MZ | SOIC-8_3.9x4.9mm_P1.27mm | U9 |
| 1 | BME280 | Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering | U10 |
| 2 | PMOS | Diodes_PowerDI3333-8 | Q1, Q3 |
| 1 | Q_NMOS_GSD | SOT-23 | Q2 |
| 1 | Q_NMOS_GSD | SOT-23-3 | Q6 |
| 1 | Crystal | Crystal_SMD_Abracon_ABM3-2Pin_5.0x3.2mm | Y1 |
| 1 | Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J1 |
| 1 | Conn_01x02_Male | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 2 | Conn_01x06_Male | conn_1x06_1.5mm | J3, J4 |
| 2 | Conn_01x02_Female | PinHeader_1x02_P2.00mm_Vertical | J5, J8 |
| 2 | Conn_01x04_Male | conn_1x04_1.5mm | J6, J7 |
| 1 | Micro_SD_Card | DM3AT_microSD | J9 |
| 3 | Conn_01x02_Male | JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J11, J12, J15 |
| 1 | SW_DPST | SMD_pushbutton | SW1 |
| 2 | LED | LED_0603_1608Metric | D1, D7 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | 1uF | C_0603_1608Metric | C1, C10, C12, C14, C16 |
| 2 | 0.1uF | C_0603_1608Metric | C2, C18 |
| 2 | 22pF | C_0603_1608Metric | C3, C4 |
| 1 | CP | PinHeader_1x02_P2.54mm_Vertical | C5 |
| 4 | 10nF | C_0603_1608Metric | C7, C11, C13, C15 |
| 2 | 22uF | C_0805_2012Metric | C9, C17 |
| 5 | 400R | R_0603_1608Metric | R1, R4, R5, R11, R12 |
| 1 | 0.01R | R_1206_3216Metric | R2 |
| 12 | 10k | R_0603_1608Metric | R3, R6, R9, R10, R18, R19, R23, R24 +4 |
| 2 | 500R | R_0603_1608Metric | R21, R22 |
| 1 | jumper | R_0603_1608Metric | R27 |
ControlBoard rev05a design files
The KiCad project lives in the plertvilai/IPAX repository on GitHub; these links point at the commit this page was built from.
ControlBoard rev05a: common questions
What microcontroller does the ControlBoard rev05a use?
The ControlBoard rev05a is built around the ATmega328P-AU, from the AVR/Arduino family.
How big is the ControlBoard rev05a PCB?
The ControlBoard rev05a measures 44.5 × 57.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ControlBoard rev05a?
64 components, from 31 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 ControlBoard rev05a design files?
From the plertvilai/IPAX repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the ControlBoard rev05a design in my own project?
Yes, under the terms of its MIT license, which plertvilai chose for the repository.
Can I test firmware for the ControlBoard rev05a 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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