E-VLXESP32 - Standard Version
Specification
The following table shows the general specifications of the E-VLXESP32.
| Feature | Details |
|---|---|
| MPU | ESP32-C3 |
| Flash Memory | 4 MB |
| Circuit Operating Voltage | 3.3 V |
| Communication | Wi-Fi 802.11 b/g/n 2.4 GHz |
| Ambient Sensor | HDC1080 |
| Protection | ESD protection on USB-C port |
| Protection Rating | IP20 |
| Certifications | CE, RoHS |
Electrical Information
| Parameter | Details |
|---|---|
| Standard Input Voltage | 220 VAC, 50–60 Hz |
| Power Consumption | < 0.5 W |
| Neutral Wire Required | No |
| Protection | Transient protected |
Functional Overview
E-VLXESP32 views.
| Ref. | Description |
|---|---|
| 1a | VELUX® remote cover (*) |
| 1b | Control buttons |
| 1c | Ventilation grid |
| 1d | Mounting holes |
| 1e | Power supply terminal |
(*) The VELUX® remote cover is not included with the E-VLXESP32 and must be provided by the customer.
Mechanical Information
E-VLXESP32 outline (dimensions in mm).
| Description | Value |
|---|---|
| Mounting Type | Wall box |
| Mounting Width | 501 Wall Box Compatible |
| Width | 80 mm |
| Height | 80 mm |
| Depth | 39 mm |
| Weight | 80 g |
Operation Conditions
The E-VLXESP32 must operate under the following conditions:
| Parameter | Min. | Max. |
|---|---|---|
| Input Voltage | 110 VAC | 240 VAC |
| Input Frequency | 50 Hz | 60 Hz |
| Ambient Temperature | -20 °C | 70 °C |
| Humidity | Non-condensing | Avoid icing |
| Positioning | No direct sunlight | Keep away from heat sources |
| Protection Rating | IP20 |
Board Topology
E-VLXESP32 Circuit Top View
| Ref. | Name | Description |
|---|---|---|
| 1a | LEDs | Power LED (red), User LED (green) |
| 1b | Buttons | Tactile switches for reset and bootloader mode |
| 1c | Pogo Pins | Gold-plated pins for solderless connection to VELUX® remote |
| 1d | ESP32-C3 | Single-core Wi-Fi module |
| 1e | HDC1080 | High-accuracy digital temperature and humidity sensor |
| 1f | ESD | Data line ESD protection |
| 1g | LDO | Low-noise voltage regulator |
| 1h | USB-C | Flashing firmware and powering the board |
GPIO Pinout
| Pin | Function. |
|---|---|
| GPIO3 | I2C SDA |
| GPIO2 | I2C SCL |
| GPIO1 | POGO PIN DOWN (shutter) |
| GPIO7 | POGO PIN STOP (shutter) |
| GPIO5 | POGO PIN UP (shutter) |
| GPI10 | POGO PIN UP (binary sensor) |
| GPIO6 | POGO PIN STOP (binary sensor) |
| GPIO0 | POGO PIN DOWN (binary sensor) |
Wiring Diagram
E-VLXESP32 connected to the AC power line
Setup and Use
Read before installation
Before beginning installation, read this documentation carefully and completely.
Failure to follow recommended procedures may result in device malfunction, serious injury, or violation of local electrical regulations.
High voltage – qualified personnel only
Installation involves high AC voltage and must be carried out by a qualified electrician.
Handling
- Connect the E-VLXESP32 only as shown in these instructions.
- Ensure all power sources are disconnected before any wiring changes.
- Do not remove or attach the VELUX® front cover while power is connected.
- Do not use the device if it has been damaged.
- Do not attempt to repair or service the device yourself.
- Keep the device away from children.
Environment
Do not install the device where it may get wet, in direct sunlight, or near heat sources.
Certification
PG LAB Electronics S.R.L.S declares, under sole responsibility, that E-VLXESP32 complies with the following EU Directives and therefore qualifies/qualify for free movement within markets comprising the European Union (EU) and European Economic Area (EEA).
RoHS Directive 2011/65/EU:
- EN IEC 62311:2020
Directive 2014/30/UE (EMC):
- EN IEC 63044-5-1:2019/A1:2024
- EN IEC 63044-5-2:2019/A1:2024
Radio Equipment Directive (RED) 2014/53/UE:
EMC (RED Article 3.1b):
- EN 301 489-1 V2.2.3:2019
- EN 300 328 V2.2.2:2019