Skip to content
Toggle Navigation
Home
Products
Controllers
Modules
Expansions
DIY
Integrations
Support
Contact
Toggle Navigation
My account
Personal account
Cart
Sort by
Price
Sort by
Default Order
Sort by
Name
Sort by
Price
Sort by
Date
Sort by
Popularity
Sort by
Rating
Show
12 Products
Show
12 Products
Show
24 Products
Show
36 Products
ESP32R4 – 4 Relays controller board for Wi-Fi & Bluetooth Smart Home system, equipment control.
$
9.90
–
$
23.99
This is a simple product.
Select options
This product has multiple variants. The options may be chosen on the product page
Details
ASTRA controller, 4 Relays 16A, 8 GPIO, AC/DC power, LED (BR4G8AL)
$
19.90
–
$
23.90
Interface: WiFi and Bluetooth;
Outputs: 4 Relays 16A;
Inputs: 8 GPIO 3.3V, direct contact to MCU, not isolated;
Power IN: DC 7~36V (VDC);
Firmware: TASMOTA, Integrated web server with web interface and MQTT protocol.
Select options
This product has multiple variants. The options may be chosen on the product page
Details
ASTRA controller, 4 Relays 16A, 4 DC dry contact Input, DC power, LED (BR4D4DL)
$
19.90
–
$
23.90
Interface: WiFi and Bluetooth;
Outputs: 4 Relays 16A;
Inputs: 4 isolated DC, dry conact;
Power in: DC 7~36V (VDC);
Firmware: TASMOTA, Integrated web server with web interface and MQTT protocol;
Select options
This product has multiple variants. The options may be chosen on the product page
Details
ASTRA controller, 4 Relays 16A, 4 AC Input, AC power, LED (BR4A4AL)
$
19.90
–
$
23.90
Interface: WiFi and Bluetooth;
Outputs: Relays 16A;
Inputs: isolated AC;
Power in: AC 90~240V;
Firmware: TASMOTA, Integrated web server with web interface and MQTT protocol;
Select options
This product has multiple variants. The options may be chosen on the product page
Details
ASTRA expansion module, 4 Relays 16A, 4 AC Input, AC power (ER4A4A)
$
14.90
Interface: I2C;
Outputs: Relays 16A;
Inputs: isolated AC;
Power in: AC 90~240V;
Extended temperature range -20 to 55°C, without condensation.
Add to cart
Details
RS-485 embedded communication module for ASTRA controller and ESP32R4
$
7.99
RS-485 communication module with cable DB9 DTE/DCE/RJ12/Terminal connector for ASTRA/ESP32R4 controllers
Select options
This product has multiple variants. The options may be chosen on the product page
Details
RS-232 embedded communication module for ASTRA controller and ESP32R4
$
6.99
RS-232 communication module with cable DB9 DTE/DCE connector for ASTRA/ESP32R4 controllers
Select options
This product has multiple variants. The options may be chosen on the product page
Details
Remote Keyfob and Receiver RF433MHz module
$
2.79
RF433MHz KeyFob and receiver module for ASTRA and ESP32R4 controllers, for receiving and decoding RF signal.
Select options
This product has multiple variants. The options may be chosen on the product page
Details
Remote Receiver RF433M/315M module
$
0.99
RF315MHz/RF433MHz receiver module for ASTRA and ESP32R4 controllers, for receive and decoding RF signal.
Select options
This product has multiple variants. The options may be chosen on the product page
Details
Out of stock
Relays Expansion module 8 Relays for ESP32R4 controller
Details
Page load link
Go to Top