HardLabs

Micronova stove esphome

r-hmn·micronova_stove_esphome·stove-reader-pcb/Mini_ESP32_PelletStove.kicad_pcb

Micronova stove esphome PCB layout, top view — open source ESP32 board by r-hmn

About the Micronova stove esphome PCB

Micronova stove esphome is an open source ESP32 PCB design by r-hmn, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 65 × 47 mm, with 20 components from 13 distinct parts.

Its main chip is the mini_esp32, from the ESP32 family. Other key parts include the SFH617A-4X006. By type, the board carries 8 resistors, 6 connectors, 4 ICs and 2 capacitors.

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

From the project

Project with PCB and Arduino- and ESPHOME-code for reading ARTEL IDRO15 PelletStove

The PCB has JST-XH2.54 connectors for - 2x I2C devices - 2x external DSB18B20 temperature sensors - 1x for power conversion - 1x pelletstove serial

Works in combination with the PCB. Code is for ArduinoIDE 2.x to program an 'ESP32 mini D1'. Program to interrogate the RAM and EEPROM registers and publishes it via its webserver. Its address is published via mDNS as esp32.local Webserver can be accessed at http://esp32.local/

Micronova stove esphome, from the project README
From the project README

Main components on the Micronova stove esphome

mini_esp32SFH617A-4X006

Micronova stove esphome bill of materials (BOM)

20 components, 13 distinct parts.

QtyPartRefs
1
mini_esp32
U1
3
SFH617A-4X006
U2, U3, U4
1
I2C #2
J1
1
I2C #1
J2
1
PowerConvert
J3
1
Stove Serial
J4
1
Temp #1
J6
1
Temp #2
J7
2
100nF
C1, C2
1
470R
R1
2
220R
R2, R3
4
4.7k
R4, R5, R6, R7
1
10K
R8

Micronova stove esphome design files

The KiCad project lives in the r-hmn/micronova_stove_esphome repository on GitHub; these links point at the commit this page was built from.

Micronova stove esphome: common questions

What microcontroller does the Micronova stove esphome use?

The Micronova stove esphome is built around the mini_esp32, from the ESP32 family.

How big is the Micronova stove esphome PCB?

The Micronova stove esphome measures 65 × 47 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Micronova stove esphome?

20 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Micronova stove esphome design files?

From the r-hmn/micronova_stove_esphome repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Micronova stove esphome design in my own project?

Yes, under the terms of its GPL-3.0 license, which r-hmn chose for the repository.

Can I test firmware for the Micronova stove esphome 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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