Access Control System Design


I created a concept “look” for the ESP32 external audio recorder with battery, USB‑C, microSD, audio input, record button, status LED, and a simple internal block diagram. You can view/download it here:

commentFileId-cb8ca43ae44d3ea1d937603a588754837149b6da4af8518efe34f0bdf1d12288

ESP32 recorder concept image.
now i need the project like battery placement and so on here i need 3d design
Yes — since this ESP32 project is view-only, use this link to create your own editable project with the battery, audio recorder PCB placement, and 3D-ready layout brief: Create ESP32 Audio Recorder Project.
In that new project, the layout should be sized before placement and then components can be grouped by function — power/battery, ESP32, audio input, storage, and user controls — with connectors at board edges and antenna clearance preserved.
I’ll review the uploaded project PDF, extract the relevant requirements for the ESP32 recorder/access-control design, then summarize how it should map into the schematic, battery placement, and 3D PCB layout.
I reviewed the PDF: it describes Eco-Connect, an ESP32 recycling kiosk, not the audio recorder/access-control design. I created a hardware + 3D placement brief for the kiosk here: eco-connect-3d-layout-brief.
I couldn’t save it into the current project files because this project is view-only for you, so I generated it as a downloadable file instead.
Extract requirements
Suggest PCB architecture
Create BOM
Find missing details
Save when editable

Name
Pin #
Type
Section
Pin Group
Orientation
Order
Sub-symbol
Current
3V3
1
Power In
POWER
Left
0.25A
GND
2
Power In
POWER
Right
0.25A
D15
3
Bi-Directional
GPIO
Left
0.04A
D2
4
Bi-Directional
GPIO
Left
0.04A
D4
5
Bi-Directional
GPIO
Left
0.04A
RX2
6
Bi-Directional
UARTs
Right
0.04A
TX2
7
Bi-Directional
UARTs
Right
0.04A
D5
8
Bi-Directional
GPIO
Left
0.04A
D18
9
Bi-Directional
GPIO
Left
0.04A
D19
10
Bi-Directional
GPIO
Left
0.04A
D21
11
Bi-Directional
GPIO
Left
0.04A
RX0
12
Bi-Directional
UARTs
Left
0.04A
TX0
13
Bi-Directional
UARTs
Left
0.04A
D22
14
Bi-Directional
GPIO
Right
0.04A
D23
15
Bi-Directional
GPIO
Right
0.04A
EN
16
Input
POWER
Left
0.04A
sensor_VP
17
Input
ADC
Left
0.04A
sensor_VN
18
Input
ADC
Left
0.04A
D34
19
Input
GPIO
Right
0.04A
D35
20
Input
GPIO
Right
0.04A
D32
21
Bi-Directional
GPIO
Right
0.04A
D33
22
Bi-Directional
GPIO
Right
0.04A
D25
23
Bi-Directional
GPIO
Right
0.04A

ESP32-DEVKIT-V1