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Honeywell-HPAx00-ESPHome

flaviut·Honeywell-HPAx00-ESPHome

Honeywell-HPAx00-ESPHome PCB layout, top view — open source ESP32 board by flaviut
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About the Honeywell-HPAx00-ESPHome PCB

Honeywell-HPAx00-ESPHome is an open source ESP32 PCB design by flaviut, published on GitHub. It is a 2-layer board measuring 215.9 × 50.8 mm, with 27 components from 9 distinct parts.

Its main chip is the mini_esp32, from the ESP32 family. By type, the board carries 11 diodes, 8 connectors, 6 capacitors, 1 IC and 1 jumper.

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

From the project

Demo of current firmware version, HPA200HEPAFilter_V2.yaml

Demo of current firmware version, HPA200HEPAFilter_V2.yaml

Demo of older firmware version, hepa-filter.yaml ## Current Software Features Currently the on device firmware recreates all of the factory features of the HPA200 with a few improvements. Connection to Home Assistant is not needed for any functions. - Fan Speed - Pressing the power button will toggle thru the 4 fan speed and then off - Turbo button will go to highest fan speed immediately - Timer - Pressing the "Clock" button will toggle thru 2, 4, 8hr run timers - Filter buttons - Current filter life is now show constantly with the…

Honeywell-HPAx00-ESPHome, from the project README
From the project README

Main components on the Honeywell-HPAx00-ESPHome

mini_esp32

Honeywell-HPAx00-ESPHome bill of materials (BOM)

27 components, 9 distinct parts.

QtyPartRefs
1
mini_esp32
U1
1
Conn_01x06
J1
6
Conn_01x01
J2, J3, J4, J5, J6, J7
1
Conn_01x02
J8
1
Jumper_2_Bridged
JP1
1
M7
D1
10
SKC6812
D2, D3, D4, D5, D6, D7, D8, D9 +2
5
1u
C1, C2, C4, C5, C6
1
1000uF
C3

Honeywell-HPAx00-ESPHome design files

The KiCad project lives in the flaviut/Honeywell-HPAx00-ESPHome repository on GitHub; these links point at the commit this page was built from.

Honeywell-HPAx00-ESPHome: common questions

What microcontroller does the Honeywell-HPAx00-ESPHome use?

The Honeywell-HPAx00-ESPHome is built around the mini_esp32, from the ESP32 family.

How big is the Honeywell-HPAx00-ESPHome PCB?

The Honeywell-HPAx00-ESPHome measures 215.9 × 50.8 mm, has 2 copper layers and is 4.69 mm thick.

How many components are on the Honeywell-HPAx00-ESPHome?

27 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Honeywell-HPAx00-ESPHome design files?

From the flaviut/Honeywell-HPAx00-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 Honeywell-HPAx00-ESPHome design in my own project?

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

Can I test firmware for the Honeywell-HPAx00-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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