HardLabs

BitDogLab 5.4

hobsonbreno·projeto_alimentacao_peixes·kicad/bitdoglab/bitdoglab.kicad_pcb

BitDogLab 5.4 PCB layout, top view — open source Raspberry Pi board by hobsonbreno

About the BitDogLab 5.4 PCB

BitDogLab 5.4 is an open source Raspberry Pi PCB design by hobsonbreno, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 87.9 × 123.9 mm, with 56 components from 43 distinct parts.

Its main chip is the DMG2305UX-13, from the Raspberry Pi family. Other key parts include the LD1117V33 and MIC. By type, the board carries 22 connectors, 4 buzzers, 4 diodes, 4 capacitors, 3 transistors and 3 switches.

It belongs with the iot & wireless and displays & leds designs in this gallery.

From the project

hydrosense_tilapia_001

O HydroSense é um sistema IoT embarcado desenvolvido para monitorar e automatizar tanques de peixes e camarões, promovendo a sustentabilidade na aquicultura através de tecnologia acessível.

- LED Esquerdo (11): Status temperatura - LED Direito (13): Status pH - LED Superior (24): Status WiFi

1. Tolomelli, J. (2024). Repositório de drivers Raspberry Pi Pico W. GitHub. 2. Bouguettaya, A., & Luo, X. (2019). Internet of Things: Principles and Paradigms. Springer. 3. Kamath, M., & Padhy, R. (2020). IoT-based water quality monitoring system for aquaculture. IJEA. 4. FreeRTOS Documentation (2025).…

Main components on the BitDogLab 5.4

LD1117V33MIC

BitDogLab 5.4 bill of materials (BOM)

56 components, 43 distinct parts.

QtyPartRefs
1
LD1117V33
3.3v_tht
STMicroelectronics
U1
1
MIC
U4
1
DMG2305UX-13
Diodes Incorporated
Q1
2
BC337
Q2, Q3
2
Conn_01x20_Socket
J1, J3
1
conector_idc
J2
1
jumper_mic
J4
4
Conn_01x05_Pin
J5, J6, J12, J13
2
GND
J7, J9
1
ANA-IN
J8
1
3V3
J10
1
5V-VSYS
J11
1
5x5 Matrix led
J14
1
0
J15
1
1
J16
1
2
J17
1
3
J18
1
JOYSTICK
J19
3
Conn_01x04_Pin
J20, J21, J22
1
Battery_Cell
BT1
Show 23 more
QtyPartRefs
1
Buzzer_A
BZ1
1
Buzzer_A_SMD
BZ2
1
Buzzer_B
BZ3
1
Buzzer_B_SMD
BZ4
1
CARGA_SOLAR_12V
CARGA_SOLAR1
1
BAT (DIS)CHARGE
Charge_DisCharge1
1
100
R_1W1
1
10k
R_pulldown1
1
150
Rb_150
1
3.3v_smd
Reg_3V3
2
220
Rg_220, Rr_220
1
Reset
SW1
2
Botão
SW2, SW3
1
V_BAT
V_BAT1
1
SC0918
pico1
1
SSD1306
OLED1
1
LED_RGB_SMD
D1
1
LED_RAGB
D2
1
1N5231
D3
1
D_Schottky
D4
2
C_smd
C1, C2
2
C_pth
C3, C4
2
330
R1, R2

BitDogLab 5.4 design files

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

BitDogLab 5.4: common questions

What microcontroller does the BitDogLab 5.4 use?

The BitDogLab 5.4 is built around the DMG2305UX-13, from the Raspberry Pi family.

How big is the BitDogLab 5.4 PCB?

The BitDogLab 5.4 measures 87.9 × 123.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BitDogLab 5.4?

56 components, from 43 distinct parts. The full bill of materials is listed on this page.

Where can I download the BitDogLab 5.4 design files?

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

Can I use the BitDogLab 5.4 design in my own project?

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

Can I test firmware for the BitDogLab 5.4 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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