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HGS Carrier

natehorst240-sketch·HGS·KicadHGS/carrier/HGS_Carrier.kicad_pcb

HGS Carrier PCB layout, top view — open source ESP32 board by natehorst240-sketch

About the HGS Carrier PCB

HGS Carrier is an open source ESP32 PCB design by natehorst240-sketch, published on GitHub. It is a 2-layer board measuring 30 × 62.5 mm, with 7 components from 3 distinct parts.

Its main chip is the ESP32-S3-Touch-LCD-1.9, from the ESP32 family. Other key parts include the MAX3232ESE+. By type, the board carries 5 capacitors, 1 IC and 1 connector.

It belongs with the usb & debug tools designs in this gallery.

From the project

Pico-format carrier that sits under the Waveshare ESP32-S3-Touch-LCD-1.9 (SKU 30939) and gives it a DE9 RS-232 port for the A109 DAU maintenance connector.

Pico-format carrier that sits under the Waveshare ESP32-S3-Touch-LCD-1.9 (SKU 30939) and gives it a DE9 RS-232 port for the A109 DAU maintenance connector.

- U1 MAX3232, VCC on +3V3 only (never 5 V — the S3 is not 5 V tolerant), charge-pump caps C1–C5 100 nF (C1±, C2±, V+, V−). - 9600 baud, 8N1 (Serial1.begin(9600, SERIAL8N1, RX=IO18, TX=IO16) in firmware) — matches the original app's 9600,n,8,1. - The firmware uses Serial1 on IO16/IO18, a second UART. Do not move it to IO43/IO44 (UART0, header pins 1/2): the ROM bootloader prints its 115200 banner there at power-up, straight into the DAU. -…

Main components on the HGS Carrier

MAX3232ESE+

HGS Carrier bill of materials (BOM)

7 components, 3 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MAX3232ESE+
MAX3232
Analog Devices
U1
1
ESP32-S3-Touch-LCD-1.9
-
J1
5
CL10B104KB8NNNC
100nF
Samsung
C1, C2, C3, C4, C5

HGS Carrier design files

The KiCad project lives in the natehorst240-sketch/HGS repository on GitHub; these links point at the commit this page was built from.

HGS Carrier: common questions

What microcontroller does the HGS Carrier use?

The HGS Carrier is built around the ESP32-S3-Touch-LCD-1.9, from the ESP32 family.

How big is the HGS Carrier PCB?

The HGS Carrier measures 30 × 62.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HGS Carrier?

7 components, from 3 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 HGS Carrier design files?

From the natehorst240-sketch/HGS repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the HGS Carrier design in my own project?

The repository has no license, so all rights stay with natehorst240-sketch. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the HGS Carrier 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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