2 CH 12 V / 10 A relay module with serial and Bluetooth, app-controllable

2 CH 12 V / 10 A relay module with serial and Bluetooth, app-controllable - Image 1
2 CH 12 V / 10 A relay module with serial and Bluetooth, app-controllable - Image 3
2 CH 12 V / 10 A relay module with serial and Bluetooth, app-controllable - Image 4

SKU 1606-HR4386EAN 8219671098533Item type: Assembled,

Description

2-channel relay board with bistable operation, allowing you to turn the connected load on/off, 12V/10A (max). It features a Bluetooth module, through which it can be paired with a smartphone to switch the two relays on/off remotely, and a serial converter. The operating mode (Bluetooth / serial) is set via the jumper on the board. Blue LED indicating Bluetooth status and two red LEDs, one per channel, indicating relay activation/deactivation.

User manual
Technical specifications
  • High-performance 8-bit MCU on board and 2.1 SPP-C Bluetooth slave module
  • Relay outputs remotely controllable via Bluetooth through an app (Android only)
  • On-board 2 relays 12V, 10A/250Vac, 10A/30Vdc
  • LED indication of Bluetooth and relay status
  • Reserved UART debug interface and MCU program download port
  • Interface:
    5V, GND, SWIM, NRST: program download port
    LED D2/D4 (red): relay status indication, lit when the relay is active
    LED D1 (blue): Bluetooth status indicator:
    – if flashing, it indicates that it is waiting to pair with the smartphone
    – steady light indicates that the module is connected to the smartphone
  • Dual jumper:
    – Bluetooth: insert the two jumpers on the right side (RX with RX1 and TX with TX1)
    – independent: insert the two jumpers on the left side to turn the serial module from USB to TTL, in order to debug the SPP-C module
Download

Technical details

Remote control range 10 m (no obstacles)
Supply voltage 12Vdc
Dimensions 40*64.5mm
IN 12Vdc input
RX UART serial port PIN
NRST program download port
COM1 common terminal
NC1 Normal close
NO1 Normal open
COM2 common terminal
NC2 Normal close
NO2 Normal open

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