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230 Topics 1 Followers

Pool Automation Controller
10/1/23, 11:14 AM • sequent 8/4/26, 11:18 AM

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7.9k
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TD

Tom Dolan
8/4/26, 11:18 AM

In my Pool Automation system I am using 2 Building Automation hats to control all my devices. BTW...
jw

Eight MOSFETS 8-Layer Stackable HAT Relay Wiring
8/5/25, 7:54 PM • james webb 8/3/26, 5:57 PM

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11
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268
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alexburcea
8/3/26, 5:57 PM

Because the IGND pin is connected between every 4 channels, you cannot do that. Because all 4 hi...
MR

Sixteen 0-10V Analog Outputs Modbus
7/3/25, 11:26 AM • Michael Rushton 7/31/26, 4:07 PM

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8
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223
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alexburcea
7/31/26, 4:07 PM

The Modbus parameters can be changed only over the I2C port. There is a serial number (processor ...
Eight 24-Bit Analog Inputs DAQ
3/2/26, 3:35 AM • Fling Flong 7/31/26, 4:01 PM

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13
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138
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alexburcea
7/31/26, 4:01 PM

I am sorry, but I didn't have a chance to look into this.
JF

SM_8RELAY relay numbering in OpenPLC v3
7/9/26, 4:32 PM • Jake Freese 7/9/26, 6:08 PM

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3
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50
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JF

Jake Freese
7/9/26, 6:08 PM

OK i opened it up in VSC and realized the identifications for the relays are the letter O and not...
J

16inpind raspberry-pi home-assistant Sixteen LV Digital Inputs 8-Layer HAT (16inpind): AC input behavior (zero-crossing) and Home Assistant
6/1/26, 8:54 AM • Janko 6/1/26, 8:54 AM

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1
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29
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J

Janko
6/1/26, 8:54 AM

Hi,Since February 2023, I have been using your older "Sixteen Digital Inputs 8-Layer Stackable HA...
JW

Cards not powering from 24v input
5/5/26, 12:36 AM • Justin Wendt 5/7/26, 5:52 PM

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6
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90
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alexburcea
5/7/26, 5:52 PM

Could you give me more info? What do you mean you're not getting any data from the card? Have yo...
JF

4relind dry contact
4/30/26, 5:36 PM • Jake Freese 5/1/26, 11:46 AM

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5
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85
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JF

Jake Freese
5/1/26, 11:46 AM

FW update fixed it! Thanks!
YF

Setting up a RTD Data Acquisition 8-Layer Stackable HAT for Raspberry Pi for Even parity
4/12/26, 8:42 AM • Yosi F 4/19/26, 6:59 AM

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9
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104
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YF

Yosi F
4/19/26, 6:59 AM

@alexburcea Thank you for the products. It's great to know that there are low-cost alternat...
JF

IOPLUS card not working
4/17/26, 9:16 PM • Jake Freese 4/18/26, 7:06 PM

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4
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57
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alexburcea
4/18/26, 7:06 PM

What does the status LED? There are 3 possibilities: 1) Blink sort ON long OFF; 2)Equal ON/OFF; 3...
JF

OpenPLC migration to v4
4/15/26, 5:36 PM • Jake Freese 4/15/26, 5:59 PM

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3
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72
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JF

Jake Freese
4/15/26, 5:59 PM

I did not know about the subscription side of things. This is really unfortunate.
hardware HATs Multiple versions of User Guide - hardware differences?
3/30/26, 7:31 AM • Antti Rytsölä 3/30/26, 7:43 AM

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2
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51
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alexburcea
3/30/26, 7:43 AM

The user guides follow the card version for the erlie hardware versions, but lately the hardware ...
VT

HATs power supply Multi-IO HAT 8-Layer & Multichemistry Watchdog HAT with UPS
3/27/26, 4:01 PM • Valentin Tanasa 3/27/26, 4:28 PM

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2
Posts

36
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alexburcea
3/27/26, 4:28 PM

You need to power both cards from the same power source, no electrical conflict here. The only t...
DB

Best of Class - How to Integrate RPi w/SM HATs into Home Assistant
3/18/26, 11:18 PM • Dale Barnes 3/23/26, 9:48 PM

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2
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226
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DB

Dale Barnes
3/23/26, 9:48 PM

Solved. MQTT via Python on the RPi works well. Both from HA to RPi to toggle Relays, ...
hardware HATs Other than rPI for Home Automation HATs?
3/23/26, 3:31 PM • Antti Rytsölä 3/23/26, 3:31 PM

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1
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35
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Antti Rytsölä
3/23/26, 3:31 PM

Hi, Has anyone tried other manufacturers than Raspberry if they work with those HATs, mainly Hom...
NB

16 LV input card v3.0 connected via RS485 Modbus
12/28/24, 1:36 PM • Norman Beaulieu 3/21/26, 3:20 PM

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34
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NB

Norman Beaulieu
3/21/26, 3:20 PM

@Norman Beaulieu Resolved, this card is different from the other input card. Here offset is...
JF

Challenges getting 8 RELAY board to work in OpenPLC
2/27/26, 6:51 PM • Jake Freese 3/2/26, 8:26 PM

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9
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140
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JF

Jake Freese
3/2/26, 8:26 PM

For some reason the editor is not assigning the pin outputs. The first one i...
JF

post creation test
2/26/26, 1:58 AM • Jake Freese 2/26/26, 1:59 AM

2

2
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27
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alexburcea
2/26/26, 1:59 AM

Thanks.
T

Sixteen Analog/Digital Inputs Board In OpenPLC
7/17/24, 3:39 PM • TimP 2/26/26, 1:57 AM

9

9
Posts

1.9k
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alexburcea
2/26/26, 1:57 AM

Yes is still on our radar.
DS

Open PLC and Industrial Automation card
5/21/23, 6:30 AM • DOMINIC STOREY 2/2/26, 1:14 AM

41

41
Posts

5.1k
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DS

DOMINIC STOREY
2/2/26, 1:14 AM

OK, solved. ChatGPT and I wrote a shim that enables you to use the OpenPLC v4 run time and editor...

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