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MySoilSensorESP32

requireiot·MySoilSensorESP32·hardware/MySoilSensorESP32.kicad_sch

MySoilSensorESP32
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About the MySoilSensorESP32 PCB

MySoilSensorESP32 is an open source ESP32 PCB design by requireiot, published on GitHub under the MPL-2.0 license. It is a board, with 44 components from 16 distinct parts.

Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the HT7833. By type, the board carries 16 connectors, 8 resistors, 6 capacitors, 4 switches, 3 ICs and 2 jumpers.

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

From the project

a multi-channel soil moisture sensor with long battery life, ESP32 based

MySoilSensorESP32 -- a multi-channel soil moisture sensor with long battery life ---- This is part of my home automation setup. For details, see my blog.

- MySoilSensorESP32 -- a multi-channel soil moisture sensor with long battery life - Objective - Design decisions - How to make it waterproof-ish - How to communicate - Minimize power consumption - Building blocks - Hardware - Batteries - Firmware - MQTT messages - Over-the-air update - 'Classic' OTA firmware update - OTA firmware download from a HTTP server - Debugging support - Power consumption and battery life - Wake time - Actual power…

Main components on the MySoilSensorESP32

ESP32-WROOM-32HT7833

MySoilSensorESP32 bill of materials (BOM)

44 components, 16 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
ESP32-WROOM-32
U1, U4
1
HT7833
U2
2
Bat
J1, J10
2
PROGRAM
J2, J17
2
DEBUG
J3, J18
2
~
J4, J9
6
6P4C
J5, J6, J7, J11, J13, J15
2
6P4C
J8, J16
2
Shunt R
JP1, JP2
5
470k
Rv1, Rv2, Rv3, Rv4, Rv5
2
RESET
SW1, SW3
2
BOOT
SW2, SW4
4
1uF
C1, C2, C4, C5
2
470uF
C3, C8
2
10k
R1, R6
6
470k
R2, R3, R4, R5, R7, R8

MySoilSensorESP32 design files

The KiCad project lives in the requireiot/MySoilSensorESP32 repository on GitHub; these links point at the commit this page was built from.

MySoilSensorESP32: common questions

What microcontroller does the MySoilSensorESP32 use?

The MySoilSensorESP32 is built around the ESP32-WROOM-32, from the ESP32 family.

How many components are on the MySoilSensorESP32?

44 components, from 16 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 MySoilSensorESP32 design files?

From the requireiot/MySoilSensorESP32 repository on GitHub, which has the schematic and the BOM; the links under Design files point to each one.

Can I use the MySoilSensorESP32 design in my own project?

Yes, under the terms of its MPL-2.0 license, which requireiot chose for the repository.

Can I test firmware for the MySoilSensorESP32 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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