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HOPPVALS-MRF-01

evanpurkhiser·HOPPVALS-MRF-01·electronics/HV-MRF-01.kicad_pcb

HOPPVALS-MRF-01 PCB layout, top view — open source ESP32 board by evanpurkhiser
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About the HOPPVALS-MRF-01 PCB

HOPPVALS-MRF-01 is an open source ESP32 PCB design by evanpurkhiser, published on GitHub. It is a 2-layer board measuring 105 × 21 mm, with 39 components from 20 distinct parts.

Its main chip is the XIAO-ESP32-C6-DIP, from the ESP32 family. Other key parts include the AP63205WU. By type, the board carries 18 capacitors, 11 resistors, 2 ICs, 1 transistor, 1 connector and 1 fuse.

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

From the project

Motorized Zigbee retrofit for IKEA HOPPVALS cellular blinds -- firmware, electronics, and mechanical design (ESP32-C6)

IKEA HOPPVALS Motorized Retrofit, version 01 (short: HV-MRF-01).

An open hardware + firmware project that motorizes an [IKEA HOPPVALS][hoppvals] cellular (honeycomb) blind and exposes it to your smart home as a standard Zigbee 3.0 Window Covering — so any compliant hub (Home Assistant / ZHA, Zigbee2MQTT, deCONZ, SmartThings) can drive it with no custom converters.

HOPPVALS-MRF-01, from the project README
From the project README

Main components on the HOPPVALS-MRF-01

XIAO-ESP32-C6-DIPAP63205WU

HOPPVALS-MRF-01 bill of materials (BOM)

39 components, 20 distinct parts.

QtyPartRefs
1
XIAO-ESP32-C6-DIP
U1
1
AP63205WU
U2
1
DMP3007SPS-13
Q1
1
POWER
J1
2
DRV8876PWPR
DRV_L1, DRV_R1
1
4A
F1
1
MOTOR_L
ML1
1
MOTOR_R
MR1
1
4.7uH
L1
3
22uF
C1, C9, C18
6
100nF 50V
C2, C4, C14, C15, C16, C17
2
10nF
C3, C5
2
100µF 35V
C6, C7
1
680µF 35V Bulk
C8
2
22nF 50V
C10, C11
2
100nF 16V
C12, C13
6
10k
R1, R2, R3, R5, R6, R7
2
560
R4, R8
2
20k
R9, R10
1
100k
R11

HOPPVALS-MRF-01 design files

The KiCad project lives in the evanpurkhiser/HOPPVALS-MRF-01 repository on GitHub; these links point at the commit this page was built from.

HOPPVALS-MRF-01: common questions

What microcontroller does the HOPPVALS-MRF-01 use?

The HOPPVALS-MRF-01 is built around the XIAO-ESP32-C6-DIP, from the ESP32 family.

How big is the HOPPVALS-MRF-01 PCB?

The HOPPVALS-MRF-01 measures 105 × 21 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HOPPVALS-MRF-01?

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

Where can I download the HOPPVALS-MRF-01 design files?

From the evanpurkhiser/HOPPVALS-MRF-01 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the HOPPVALS-MRF-01 design in my own project?

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

Can I test firmware for the HOPPVALS-MRF-01 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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