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Custom PCB · Smart home

ESP32 boards and
smart home solutions

Controllers, touch switches, LED strips and RS485 modules built and supported in Greece, driven from one app on iPhone and Mac.

ESP32 motherboard layout
ESP32 motherboard rendering
ESP32 motherboard front
ESP32 motherboard back

ESP32 motherboard

Pin and connectors

  • Analog input34 · 35 · 36 · 39
  • Digital input27 · 32
  • Relay on board ×215 · 12
  • Buzzer0
  • Reset default settings2
  • IR3
  • Serial connector 4pin+5V · 4 · 25 · GND
  • Modbus serial 4pinGND · 16 · 17 · +5V
  • Display 1.3" 4pin+3V · GND · 22_CL · 21_DA
  • CRT connector 5pin+3V · 21_D · 22_C · NC · GND
  • GSM 6pinRF · +4V · RS_33 · RX_14 · TX_13 · GND
  • Ethernet 2×6pin5 · 18 · 19 · 23 · 26

Application

Soft

One app for the whole installation — channels, rooms, scenarios and power metering on iPhone, plus the channel matrix and ESP32 server settings on Mac.

For smartphone

Login

Login

Menu

Menu

4 row channels

4 row channels

6 row channels

6 row channels

Group channels

Group channels

Rooms

Rooms

Scenarios

Scenarios

Edit channel

Edit channel

Power meter

Power meter

Power meter peaks

Power meter peaks

Users

Users

Siri

Siri

Design

Design

For Mac

Channels

Channels

Server

General

General settings

Ethernet

Ethernet

Wi-Fi

Wi-Fi

Info

Info

Matrix

Matrix

SW1

Smart switches

Glass touch panels in 4 and 6 gang, four finishes, with the switch module behind them.

White 4 gang

White · 4 gang

Black 4 gang

Black · 4 gang

Grey LED 4 gang

Grey led · 4 gang

Gold 4 gang

Gold · 4 gang

4 gang module

4 gang module

4 gang module

4 gang module

Black 6 gang

Black · 6 gang

CPU smart switches

Pin and connectors

  • Power input3–24 V

Video

D1

Led strip

CPU led strip

Led strip specifications

  • High performance83.20 %
  • Density238 led/meter
  • Water resistanceIP54
  • Thickness10 mm · 3 oz
  • Colour3000 K · cri > 90
  • Roll20 meter/rol
  • Silicon cable20 AWG
  • Power input DC18–27 V
  • Maximum power32 w/meter
Power per meter by input voltage
InputCurvew/meter
18V
0.18
19V
1.90
20V
4.20
21V
7.14
22V
10.34
23V
14.00
24V
18.00
25V
22.25
26V
27.30
27V
32.13

U2

Net module

Net module
Net module

Pin and connectors

  • Chipesp32-c3
  • RS485 Modbus+A · −B
  • RadioWi-Fi · Bluetooth 5
  • Power input5–24 V
  • Pin socket 1.272 × 8 (16 pin)
  • Buttonsreset · program
  • Photoresistor on boardyes
  • Temperature sensor on boardyes
  • DimensionsD 27 mm · hole 10,5 mm
Net module v8
Net module v8

Pin and connectors · v8

  • Chipesp32-c3
  • GPIO RS485 (+A −B)28 · 27
  • GPIO out or input0,1,3,4,5,6,7,10
  • GPIO USB18 · 19
  • RadioWi-Fi · Bluetooth 5
  • Power input5–100 V
  • Soft start20 ms
  • Pin spring4 × 4 (16 pin)
  • Buttonsreset · boot
  • POGO 4pin+A · −B · GND · +100V
  • DimensionD = 32 mm

PS1

AC DC converter

AC DC converter
  • Short circuit protection
  • Temperature protection
  • Smooth start
  • Input voltage AC & DC
  • Adjustable voltage range
  • Dimension35 × 10 mm
AC DC converter render
AC DC converter

Specifications

  • Adjustable version output voltage range1.2–37 V
  • Output load current3 A
  • Input voltage rangeup to 40 V
  • Low power standby mode, IQtyp. 80 µA
  • High efficiency
  • Thermal shutdown and current-limit protection
  • Temperature sensors on board2

U3

Uart to RS485

Uart to RS485
Uart to RS485
Uart to RS485

Pin and connectors

  • UART input22 * 4pin
  • RS485 Modbus input+A · −B
  • Power input8–28 V
  • Power output ADJ3.3–5 V · 3 A

U4

Dimmer ERPF

Dimmer ERPF
Dimmer ERPF
ERPF-400-24
ERP and ERPF

Pin and connectors

  • Chipesp32-c3
  • RadioWi-Fi · Bluetooth 5
  • Power input5–24 V
  • GPIO UART28 · 27
  • GPIO USB18 · 19
  • Input optocoupler GPIO3 · 4
  • Output optocoupler GPIO5 · 6
  • 4 buttonsreset · boot + 2 custom input GPIO 7,10
  • DimensionD = 43 × 62 mm
  • ERP-200
  • 12
  • 24
  • 36
  • 48
  • ERP-350
  • 12
  • 24
  • 36
  • 48
  • ERPF-400
  • 12
  • 24
  • 36
  • 48

J1

Contacts

Fax

2312 133 370

Online chat

10:00 – 21:00 Monday – Friday

Legal

Privacy policy

CPU.gr (“we”, “us”, or “our”) is committed to protecting the privacy of our users. This Privacy Policy explains how we collect, use, and disclose information when you use our SmartHome mobile application (“App”). Please read this Privacy Policy carefully. By using our App, you agree to the terms of this Privacy Policy.

1. Information we collect

We only collect the minimum amount of information necessary for the operation of our App. This includes the device name and password, which are required to connect your smart home chipset to our App. We do not collect any personal data or other identifiable information about you.

2. How we use your information

We use the information you provide (device name and password) to verify your access to our database and to provide you with the device IP address, enabling you to manage your smart home chipset via our App. We do not use this information for any other purposes.

3. Data sharing

We do not share any personal or sensitive user data collected through our App with any third parties.

4. Data security

We take the security of your information seriously and implement appropriate technical and organizational measures to protect the information you provide us. However, no method of transmission over the internet or electronic storage is completely secure, and we cannot guarantee absolute security.

5. Data retention and deletion

The App stores your device details (device name, password, and IP address) locally on your device. You can delete these details from the App at any time. We do not store this information on our servers.

6. Changes to this privacy policy

We may update this Privacy Policy from time to time. If we make any material changes, we will notify you through the App or other appropriate means. Your continued use of the App after any changes to the Privacy Policy signifies your acceptance of the updated terms.

7. Contact us

If you have any questions or concerns about this Privacy Policy, please contact us at info@cpu.gr