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January 27, 2021

Communications & Interfacing

Communications & Interfacing

Products in this category include RS485, wireless RF, Bluetooth, IR Remotes, RFID, logic level shifters and anything used to communicate or interface with electronics

Showing all 26 results

Sale! -8%

ESP8266 ESP-01 Adapter with Voltage Regulator

Interface adapter for the 8266 ESP-01 WiFi modules includes built-in 3.3V regulator and logic level shifting.

~~$2.39~~ $2.19
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Sale! -24%

ESP8266 ESP-01 WiFi Module

The ESP-01 module provides WiFi connectivity for a microcontroller.

~~$4.25~~ $3.25
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FT232RL USB to TTL Serial Interface Adapter

Provides a bridge to connect between TTL serial devices and a USB port.

$3.49
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IR Receiver Module

VS1838 based receiver detects infrared (IR) as commonly used for IR remote control.

$0.85
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Sale! -51%

IR Remote Control Kit

Kit includes the remote control with battery and IR sensor and transmitter LED.

~~$3.95~~ $1.95
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I2C Logic Level Converter with Regulator Module

Provides interface between 5V and 3.3V devices using the I2C bus.

$0.89
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Logic Level Converter 4-Ch Bi-Directional Module

4-channel bi-directional logic level converter.

$0.79
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Logic Level Converter 8-Ch Bi-Directional Module

8-channel bi-directional logic level converter.

$1.39
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Sale! -34%

MAX3232 TTL to RS-232 Interface Module

Converts between TTL serial and +/- RS-232 levels using built-in charge pumps.

~~$2.25~~ $1.49
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Sale! -14%

MAX485 TTL to RS-485 Interface Module

Implements RS-485 differential signaling for robust long distance serial communications.

~~$1.39~~ $1.19
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MCP2515 CAN Bus Interface Module

Implements the CAN 2.0B protocol for robust distributed node communication networks.

$3.29
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TJA1050 CAN Bus Transceiver Module

Provides the interface between a CAN bus controller and the physical CAN bus differential lines.

$1.95
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MFRC522 RFID Reader, Key Card and Key Ring

Wireless technology commonly embedded into key cards to give access to a locked door by holding the card up to a reader.

$3.95
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PCF8574 I2C I/O Expansion Module

Module can be used to expand the digital I/O of an MCU using the I2C bus.

$2.25
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Sale! -19%

SCM TTL to RS-485 Interface Module

Provides a robust automatic bi-directional interface between TTL and long-line RS-485.

~~$2.95~~ $2.39
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TCA9548A I2C 8-Ch Multiplexer Module

Allows up to 8 devices with the same I2C address to be hooked up to an MCU or permits up to 8 separate I2C buses to be controlled.

$3.95
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TXS0108E 8-Ch Logic Level Converter Module

8-channel bi-directional logic level converter.

$1.95
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LCD I2C Interface Adapter

Converts a 16×2 or 20×4 character LCD display with a standard parallel interface to I2C.

$1.59
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Ethernet Shield W5100

Allows Uno or Mega to establish a wired Ethernet connection to a network.

$11.49
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HC-05 (ZS-040) Bluetooth Module

HC-05 is a serial to Bluetooth Master / Slave bridge module

$7.49
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nRF24L01+ 2.4GHz RF Wireless Module

RF Wireless Module has a range up to 100 meters and up to 2Mbps data rate.

$1.59
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nRF24L01 Breakout Adapter with Voltage Regulator

Breakout adapter includes a built-in 3.3V regulator and easy header hookup.

$0.95
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nRF24L01+PA+LNA 2.4GHz RF Wireless Module

nRF24L01 with power amplifier and antenna extends range up to 1100 meters.

$4.25
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USB Micro-B to 2.54mm Header Breakout

Adapter accepts a Micro-B style USB cable and converts to male header

$0.49
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USB Type A Male to 2.54mm Header Breakout

Breakout adapter plugs into USB Type A port like is found on a PC or USB hub and converts to male header.

$0.59
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USB Type B Female to 2.54mm Header Breakout

Adapter accepts a printer style Type B USB cable and adapts it to male header

$0.75
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