Search results for: 'I2c 4 digit led display tube'

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  1. ESP32 - 4 Relays controller board for Wi-Fi or Bluetooth Smart Home system, equipment control. TASMOTA firmware. Programmable.
    ESP32 controller board easily integrates with many home automation solutions reporting status and sensor data and allowing complete control. Learn More
    As low as $9.89
  2. AC Dimmer Module, 1 Channel, 3.3V/5V logic, AC 50/60hz, 110V~400V

    The AC Dimmer is designed to control the alternating current voltage, which can transfer current up to 4A/8A

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    As low as $2.69
  3. AC Dimmer Module 8A with AC-DC power supply, 1 channel, 3.3V/5V logic, AC 110~240V 8A
    Dimmer module with AC-DC power supply. ​With this dimmer module don't need an external power supply for your project. Do power your microcontroller and circuit from this dimmer module. Learn More
    As low as $5.99
  4. RFID module, MFRC522 with UART, SPI, I2C interface
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    The MFRC522 is an RF Module that consists of an RFID reader, RFID card and a key chain. The module operates 13.56MHz and supports 3 types of interfaces: SPI, UART and I2C. For example using I2C interface will allow you to connect plenty of RFID devices on just 2 wires. Learn More
  5. PoE passive module Vin=12-48V, Vout=9V
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    PoE (Power over Ethernet) - is a technology that allows you to transfer power and data through a single Ethernet cable. All that is required is to connect a PoE-issuing device to a PoE-powered device via an RJ-45 network connector. Paired with a controller board, this module will allow you to power your project via Ethernet.

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