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GasBee-Freerouter

Sharki-66·womo-home-esp32·hardware/schematics/GasBee/GasBee-Freerouter.kicad_pcb

GasBee-Freerouter PCB layout, top view — open source ESP32 board by Sharki-66

About the GasBee-Freerouter PCB

GasBee-Freerouter is an open source ESP32 PCB design by Sharki-66, published on GitHub under the MIT license. It is a 2-layer board measuring 55.5 × 35 mm, with 32 components from 19 distinct parts.

Its main chip is the ESP32-C3-MINI-1, from the ESP32 family. Other key parts include the HX711, MAX17261xxTD, TP4056-42-ESOP8 and MCP1700x-330xxMB. By type, the board carries 10 capacitors, 10 resistors, 5 ICs, 3 connectors, 2 switches and 1 diode.

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

From the project

Caravan Smart Home Display with esp32

Wer mit dem Wohnmobil unterwegs ist, kennt das Problem: Wie viel Gas ist noch in der Flasche? Reicht der Strom? Ist der Frischwassertank bald leer? Wie kalt wird es draußen über Nacht? Die serienmäßigen Anzeigen im Fahrzeug sind oft ungenau, schlecht ablesbar oder schlicht nicht vorhanden.

WoMo Home ersetzt das klassische EBL-Panel (LT 45x) durch ein selbstgebautes System, das alle Betriebsdaten des Wohnmobils erfasst, intelligent aufbereitet und auf einem 7-Zoll-Touchdisplay darstellt – jederzeit aktuell, übersichtlich und von überall im Fahrzeug erreichbar.

GasBee-Freerouter, from the project README
From the project README

Main components on the GasBee-Freerouter

ESP32-C3-MINI-1HX711MAX17261xxTDTP4056-42-ESOP8MCP1700x-330xxMB

GasBee-Freerouter bill of materials (BOM)

32 components, 19 distinct parts.

QtyPartRefs
1
ESP32-C3-MINI-1
U1
1
HX711
U2
1
MAX17261xxTD
U4
1
TP4056-42-ESOP8
U5
1
MCP1700x-330xxMB
U6
1
USB_C_Receptacle_USB2.0_14P
J1
1
Conn_01x02_Pin
J2
1
Conn_01x04_Pin
J3
2
SW_Push
SW1, SW2
1
SMBJ5.0A
D2
1
4.7uH
L1
6
100nF
C1, C5, C7, C8, C9, C11
1
1uF
C3
3
10uF
C4, C6, C10
2
5.1k
R1, R2
3
10k
R3, R5, R10
1
2.4k
R4
2
27R
R6, R7
2
4.7k
R8, R9

GasBee-Freerouter design files

The KiCad project lives in the Sharki-66/womo-home-esp32 repository on GitHub; these links point at the commit this page was built from.

GasBee-Freerouter: common questions

What microcontroller does the GasBee-Freerouter use?

The GasBee-Freerouter is built around the ESP32-C3-MINI-1, from the ESP32 family.

How big is the GasBee-Freerouter PCB?

The GasBee-Freerouter measures 55.5 × 35 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the GasBee-Freerouter?

32 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the GasBee-Freerouter design files?

From the Sharki-66/womo-home-esp32 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the GasBee-Freerouter design in my own project?

Yes, under the terms of its MIT license, which Sharki-66 chose for the repository.

Can I test firmware for the GasBee-Freerouter 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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