4 layers85.7 × 60.3 mm
TriComm Adapter New
FOSSEE/eSim_PCB_Design_Project_Files
This project is an STM32-based four-layer PCB designed for smart environmental monitoring and control in aquaculture systems.
64 partsGPL-3.0
2 layers109.2 × 43.2 mm
PowerSuplyBoardDem
FOSSEE/eSim_PCB_Design_Project_FilesThis project is an STM32-based four-layer PCB designed for smart environmental monitoring and control in aquaculture systems.
- Size
- 109.2 × 43.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 8
- Nets
- 6
- Pads
- 17
- Tracks, vias
- 33, 0
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 20 Jul 2026
- Updated
- 15 Sep 2026
Overview
PowerSuplyBoardDem is an open-source printed circuit board by FOSSEE, from the FOSSEE/eSim_PCB_Design_Project_Files repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 109.2 × 43.2 mm with 8 parts on 6 nets, routed with 33 tracks and 0 vias.
Its parts include 5 diodes, 1 capacitor, 1 resistor and 1 IC.
README
STM32-Env-Monitor-PCB/README.mdSTM32-Based Smart Environmental Monitoring and Control PCB
Overview
This project is an STM32-based four-layer PCB designed for smart environmental monitoring and control in aquaculture systems. The board integrates the microcontroller, environmental sensor interfaces, power management, communication interfaces, and control circuitry required for monitoring and managing aquaculture conditions.
PCB Design
The board is designed as a four-layer PCB with the following stack-up:
- Layer 1 (Top): Components and signal routing
- Layer 2: Dedicated GND plane
- Layer 3: Dedicated +3.3 V power plane
- Layer 4 (Bottom): Components and signal routing
The four-layer stack-up provides dedicated power and ground planes while allowing organized signal routing and improved power distribution. Component placement and routing were planned to maintain clear separation between sensitive environmental sensing signals and higher-current control paths.
Application
The PCB is intended for aquaculture applications where environmental parameters can be monitored and controlled to help maintain suitable conditions for aquatic organisms. The STM32-based system provides the processing and control required to interface with sensors and connected control devices.
Documentation
For the complete circuit description, PCB layout, routing methodology, design considerations, DRC results, and 3D views, refer to the accompanying project report.
Parts
8| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | eSim_Diode | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3, D4 |
| 1 | 1000uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C1 |
| 1 | 330 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | LM7805C_PSPICE | Package_TO_SOT_THT:TO-220-3_Vertical | U1 |
| 1 | eSim_LED | LED_THT:LED_D5.0mm | D5 |
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Questions
How big is the PowerSuplyBoardDem PCB?
It measures 109.2 × 43.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PowerSuplyBoardDem use?
8 parts. 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 PowerSuplyBoardDem KiCad files?
From the FOSSEE/eSim_PCB_Design_Project_Files repository on GitHub, at the commit this page was made from: the board is PowerSuplyBoardDem.kicad_pcb and its schematic LM386-Based_Microphone_Audio_Amplifier/LM386-Based_Microphone_Audio_Amplifier.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PowerSuplyBoardDem design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).