HardLabs

CARVanta Sentinel v2

dhruv1859·CARVanta·hardware/sentinel/kicad/CARVanta_Sentinel_v2/CARVanta_Sentinel_v2.kicad_pcb

CARVanta Sentinel v2 PCB layout, top view — open source ESP32 board by dhruv1859

About the CARVanta Sentinel v2 PCB

CARVanta Sentinel v2 is an open source ESP32 PCB design by dhruv1859, published on GitHub under the Apache-2.0 license. It is a 6-layer board measuring 100 × 100 mm, with 86 components from 30 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the BQ24075RGT, AMS1117-3.3, TCA9548AMRGER, LMP91000 and ADS1256. By type, the board carries 40 capacitors, 16 resistors, 14 ICs, 7 connectors, 4 diodes and 2 switches.

It belongs with the rf & radio, iot & wireless and power & battery designs in this gallery.

From the project

This board monitors 4 antigens simultaneously (CD19, CD22, BCMA, GPRC5D), meaning 4 independent electrochemical channels that MUST be electrically isolated from each other and from the digital noise of the ESP32 + WiFi radio.

This board monitors 4 antigens simultaneously (CD19, CD22, BCMA, GPRC5D), meaning 4 independent electrochemical channels that MUST be electrically isolated from each other and from the digital noise of the ESP32 + WiFi radio.

A 2-layer board cannot achieve this. Here's why each layer exists:

Main components on the CARVanta Sentinel v2

BQ24075RGTAMS1117-3.3ESP32-S3-WROOM-1TCA9548AMRGERLMP91000ADS1256MAX30102MLX90614DS3231MLIS2DH

CARVanta Sentinel v2 bill of materials (BOM)

86 components, 30 distinct parts.

QtyPartRefs
1
BQ24075RGT
U1
2
AMS1117-3.3
U2, U3
1
ESP32-S3-WROOM-1
U4
1
TCA9548AMRGER
U5
4
LMP91000
U6, U7, U8, U9
1
ADS1256
U10
1
MAX30102
U11
1
MLX90614
U12
1
DS3231M
U13
1
LIS2DH
U14
1
2N7002
Q1
1
USB_C_Receptacle_USB2.0_16P
J1
4
Conn_01x03_Pin
J2, J3, J4, J5
1
Conn_01x08
J6
1
Conn_01x06
J7
1
Buzzer
BZ1
2
SW_Push
SW1, SW2
4
WS2812B
D1, D2, D3, D4
1
600R
FB1
6
10u
C1, C3, C5, C6, C26, C39
Show 10 more
QtyPartRefs
3
22u
C2, C4, C9
25
100n
C7, C8, C10, C11, C12, C14, C15, C16 +17
4
10nF
C13, C17, C19, C21
1
1uF
C28
1
1u
C35
2
5.1k
R1, R2
2
1.5k
R3, R4
5
10k
R5, R6, R7, R8, R9
6
0.1k
R10, R11, R12, R13, R14, R15
1
100k
RN1

CARVanta Sentinel v2 design files

The KiCad project lives in the dhruv1859/CARVanta repository on GitHub; these links point at the commit this page was built from.

CARVanta Sentinel v2: common questions

What microcontroller does the CARVanta Sentinel v2 use?

The CARVanta Sentinel v2 is built around the ESP32-S3-WROOM-1, from the ESP32 family.

How big is the CARVanta Sentinel v2 PCB?

The CARVanta Sentinel v2 measures 100 × 100 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the CARVanta Sentinel v2?

86 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the CARVanta Sentinel v2 design files?

From the dhruv1859/CARVanta repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the CARVanta Sentinel v2 design in my own project?

Yes, under the terms of its Apache-2.0 license, which dhruv1859 chose for the repository.

Can I test firmware for the CARVanta Sentinel v2 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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