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Hv board

andia89·MaraXEvolution·hv_board/hv_board.kicad_pcb

Top view of the Hv board PCB
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Hv board is an open source PCB design by andia89: a 2-layer, 69 × 54 mm board with 31 components (27 distinct parts). It is built around the ECE10US12, ALDP112, BAT46WJ_115, H11L1 and more. Filed under iot & wireless and sensors.

This repository contains the hardware design and firmware for the MaraX Evolution main controller board. This project is designed to replace the stock controller of the Lelit Mara X espresso machine, adding advanced features such as PID temperature control, pressure profiling, we

This repository contains the hardware design and firmware for the MaraX Evolution main controller board. This project is designed to replace the stock controller of the Lelit Mara X espresso machine, adding advanced features such as PID temperature control, pressure profiling, weighing scale integration, and WiFi connectivity.

controllerboard/: KiCad v6 hardware design files (schematics, PCB layout, and fabrication files). firmware/`: PlatformIO project source code for the ESP32-based controller.

Hv board, from the project README
From the project README

Built around

ECE10US12ALDP112BAT46WJ_115H11L1MOC3021M

Parts list

31 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ECE10US12
U1
1
ALDP112
U2
2
BAT46WJ_115
U3, U4
1
H11L1
U5
1
MOC3021M
U7
2
BSS138
Q1, Q2
1
BTA16-600BWRG
Q3
1
Controller board
J6
1
0034.6808
F1
1
0697H9100-02
F2
1
3413.0215.22
F4
1
160650-2
230 Live
FA1
1
160650-2
230 Neutral
FA4
1
160650-2
Coffee Relay
FA7
1
160650-2
PumpOut
FA10
1
160650-2
Pump Relay
FA11
1
7178DG
H1
1
RT314A12
K1
1
W04G
D1
1
VJ2220Y103KXUSTX2
C1
Show 7 more
QtyPartRefs
1
100UF
100uF
C3
2
10K
R1, R28
2
47K
47k
R5, R6
1
1k
R7
1
100
R8
1
330
R9
1
39
R11

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