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
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
Menu
4 row channels
6 row channels
Group channels
Rooms
Scenarios
Edit channel
Power meter
Power meter peaks
Users
Siri
Design
For Mac
Channels

Server
General

Ethernet

Wi-Fi

Info

Matrix

SW1
Smart switches
Glass touch panels in 4 and 6 gang, four finishes, with the switch module behind them.

White · 4 gang

Black · 4 gang

Grey led · 4 gang

Gold · 4 gang

4 gang module

4 gang module

Black · 6 gang
Pin and connectors
- Power input3–24 V
Video
D1
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
| Input | Curve | w/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
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
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
- Short circuit protection
- Temperature protection
- Smooth start
- Input voltage AC & DC
- Adjustable voltage range
- Dimension35 × 10 mm


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
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
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
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
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