Connectivity

SKU: SF-WRL-00558 | Brand: SparkFun

A large 2.4 GHz rubber duck antenna with 5 dBi gain and a reverse-polarity SMA (RP-SMA) connector. At 196 mm (7.7″) long, it provides significantly more range than smaller duck antennas — ideal when you need to push y...

SKU: DF-DFR0050 | Brand: DFRobot

The DFRobot XBee USB Adapter connects XBee and Bluetooth modules to your PC via mini USB for configuration, wireless data transmission, and firmware programming. It uses an FTDI232 USB-to-UART converter chip for stabl...

SKU: AF-3071 | Brand: Adafruit

The Adafruit RFM69HCW Transceiver Radio Breakout @ 433 MHz is a breadboard-friendly packet radio module for adding long-range wireless communication to Arduino and other microcontroller projects. Based on the SX1231 t...

SKU: AF-3133 | Brand: Adafruit

The Adafruit Ultimate GPS FeatherWing brings precise, low-power GPS to the Feather ecosystem. Built around the MTK3339 chipset, it tracks up to 22 satellites on 66 channels with -165 dBm sensitivity and delivers up to...

SKU: SF-WRL-13231 | Brand: SparkFun

The SparkFun ESP8266 Thing is a breakout and development board for the ESP8266 WiFi SoC — a popular platform for IoT and WiFi-connected projects. All module pins are broken out to breadboard-compatible rows, and on-bo...

SKU: AF-375 | Brand: Adafruit

A magnetic reed switch encased in an ABS plastic shell, commonly used to detect when a door, window, or drawer is opened. The switch half contains a normally-open reed contact, and the other half is a magnet. When the...

SKU: DF-TEL0092 | Brand: DFRobot

Wifi Bee-ESP8266 is a Serial-to-WIFI module using XBEE design in a compact size, compatible with XBEE slot, applicable to a variety of 3.3V single-chip system. It can be used for Arduino, wireless data transfer,...

SKU: SF-WRL-10535 | Brand: SparkFun

These wireless transmitters work with our 315MHz receivers. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they...

SKU: DF-DFR0015 | Brand: DFRobot

An XBee-compatible shield for Arduino that supports a wide range of wireless communication modules including ZigBee, WiFi, and Bluetooth 2.0/4.0 bee-format boards. Stacks directly onto Arduino Uno, Leonardo, or Mega, ...

SKU: AF-3584 | Brand: Adafruit

The ANT500 from Great Scott Gadgets is a telescopic antenna designed for operation from 75 MHz to 1 GHz. Its length is adjustable from 20 cm to 88 cm, and it features a stainless steel construction with an SMA male co...

SKU: AF-6441 | Brand: Adafruit

These use an NTAG chipset, a 'Type 2' tag usable with any smartphone. Unlike "Classic 1K" cards (a.k.a. MiFare S50s), these tags are more secure and work with almost any phone with RFID support, since they avoid the p...

SKU: WS-19297 | Brand: Waveshare

This 5G omni-directional antenna provides 18dBi gain across a wide 600–6000MHz frequency range, covering 5G, 4G, 3G, and GNSS bands. The omni-directional radiation pattern delivers consistent signal quality in all dir...

SKU: WS-8781 | Brand: Waveshare

Enhance your positioning accuracy with our high-performance GPS External Antenna, designed with an integrated amplifier and superior ceramic technology for optimal signal capture and amplification. Suited for a multit...

SKU: WS-30795 | Brand: Waveshare

The Waveshare Modbus POE ETH Relay 16CH is an industrial-grade 16-channel relay module controlled over Ethernet using Modbus RTU or Modbus TCP protocol. It features dual Ethernet ports for cascading, Power over Ethern...

SKU: WS-28154 | Brand: Waveshare

Enhance your project development with the cutting-edge ESP32-S3 4inch Display Development Board, a versatile and powerful tool designed to streamline the creation of high-performance human-machine interfaces (HMI), sm...

SKU: WS-30683 | Brand: Waveshare

Introducing the ESP32-S3 1.85inch Round LCD Development Board – The Ultimate Tool for Your Next Innovation!Dreaming up the next game-changer in smart technology? Look no further! The ESP32-S3 1.85inch Round LCD Develo...

SKU: DF-TEL0185 | Brand: DFRobot

Introduction RainbowLink is a high-performance USB protocol converter designed for multi-channel serial communication and power output, making it ideal for IoT and industrial applications. It integrates four independe...

SKU: DF-DFR1084 | Brand: DFRobot

The Arduino UNO R4 WiFi is the latest evolution of the iconic UNO series, powered by the Renesas RA4M1 (Arm Cortex-M4) processor running at 48 MHz — a 3× speed increase over the UNO R3. With 256 KB flash, 32 KB SRAM, ...

SKU: WS-23949 | Brand: Waveshare

The USB to RS485/422 is an industrial-grade isolated converter designed for reliable and stable communication. Featuring an original FT232RL chipset and SP485EEN transceiver, it ensures fast, interference-free data tr...

SKU: WS-28643 | Brand: Waveshare

Illuminate Your Smart Home with Precision: DALI2 Expansion Module for ESP32-Pico BoardsTake your lighting automation to the next level with the DALI2 Expansion Module, designed to integrate effortlessly with the ESP3...