Wireless & Connectivity

SKU: DF-FIT0821 | Brand: DFRobot

A 4-port RS-485 bus hub with optical isolation and surge protection, designed for industrial environments with complex electromagnetic interference. Each port is independently opto-isolated at 2500 V and protected aga...

SKU: DF-TEL0140 | Brand: DFRobot

A simple 433 MHz RF wireless switch set that transmits digital signals between a transmitter and receiver module. Based on Gravity interface connectors, it works with any microcontroller that can read and write digita...

SKU: DF-DFR0806 | Brand: DFRobot

With bass and treble tone independent control, this powerful Bluetooth Amplifier has AM interference and filtering function that makes the board THD as low as 0.1% even when working for a long time at large power outp...

SKU: AF-5048 | Brand: Adafruit

The Power Profiler Kit II is a standalone unit, which can measure and optionally supply currents all the way from sub-uA and as high as 1A on all Nordic DKs, in addition to external hardware. As we've featured on EYE ...

SKU: AF-4481 | Brand: Adafruit

The Adafruit ItsyBitsy nRF52840 Express brings Bluetooth Low Energy connectivity to the tiny ItsyBitsy form factor. Powered by the Nordic nRF52840 Cortex M4 at 64 MHz with 1 MB Flash, 256 KB RAM, and 2 MB QSPI Flash, ...

SKU: AF-4819 | Brand: Adafruit

The Adafruit MagTag Starter Kit bundles everything you need to get started with the MagTag WiFi E-Ink display. The ESP32-S2-powered board features a 2.9" grayscale E-Ink screen that retains its image even when power i...

SKU: SF-WRL-18569 | Brand: SparkFun

This RP-SMA to U.FL Cable is commonly used to attach WiFi, Bluetooth, or nRFxxx based devices to a 2.4GHz antenna. What makes this unassuming cable special is the slightly longer length of 150mm (compared to 100mm). W...

SKU: SF-WRL-17830 | Brand: SparkFun

The ESP32-WROOM-32E is a powerful, generic Wi-Fi+BT+BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music stre...

SKU: DF-FIT0832 | Brand: DFRobot

This is an industrial-grade USB to RS485 module with a DC voltage output of up to 36V, which is applicable to industrial instruments that require a high-voltage power supply.  The converter can be directly powere...

SKU: SF-WRL-17743 | Brand: SparkFun

The SparkFun Thing Plus ESP32-S2 WROOM is a Feather form-factor development board built around Espressif's ESP32-S2 SoC with integrated 2.4 GHz Wi-Fi. It features enhanced security over the original ESP32, including t...

SKU: DF-DFR0781 | Brand: DFRobot

INTRODUCTIONThis Bluetooth module features Bluetooth/U-disk/TF-card playback, and Bluetooth call function, supporting simple and clear serial port control function, BLE pass-through, and SPP pass-through functions. Th...

SKU: EC-CCW08266S | Brand: Elecrow

This ESP-12S WiFi module has core processor ESP8266 in smaller sizes of the module encapsulates Tensilica L106 integrates industry-leading ultra low power 32-bit MCU micro, with the 16-bit short mode, clock speed s...

SKU: EC-CT0917KIT | Brand: Elecrow

Do you want to DIY some funny and practical “IOT” applications? Welcome to the world of ESP8266 NodeMCU. It’s an ESP8266 WiFi module with Crowtail interface. We will use it to make some simple application of fun with ...

SKU: AF-4430 | Brand: Adafruit

Inductive charging is a way of powering a device without a direct wire connection. Most people have seen inductive charging in a rechargeable electric toothbrush: you may have noticed that you recharge it by placin...

SKU: SF-WRL-15597 | Brand: SparkFun

A high-gain outdoor fiberglass antenna designed for maximum range on LoRa projects. With 5.8 dBi gain in the 860–930 MHz band, this antenna is ideal for heavy-duty LoRa base stations and long-range node deployments. ...

SKU: SF-DEV-15444 | Brand: SparkFun

The SparkFun RedBoard Artemis brings the powerful Artemis module into a familiar Arduino Uno footprint. Built around the Ambiq Apollo3 processor, it runs at 48 MHz (with 96 MHz turbo mode), includes BLE 5.0, and draws...

SKU: AF-4333 | Brand: Adafruit

The Circuit Playground Bluefruit builds on the popular Circuit Playground Express by upgrading to an nRF52840 microcontroller with built-in Bluetooth Low Energy. The round board is packed with sensors, LEDs, and input...

SKU: SF-WRL-15130 | Brand: SparkFun

After years of popularity with the XBee Series 1 and XBee Series 2, we now have the XBee Series 3 which brings the best of both worlds. XBee 3 not only handles 802.15.4, and ZigBee, but also BLE protocols and you can ...

SKU: LB-LS0537 | Brand: Little Bird

The DT-06 is a compact Wi-Fi-to-TTL serial module based on the ESP8285 — essentially an ESP8266 with 1 MB of built-in SPI flash. It provides a simple way to add Wi-Fi connectivity to any microcontroller project via a ...

SKU: LB-LS1217 | Brand: Little Bird

JDY-08 BLE Serial Transmission Module Compatible CC2541  JDY-08 transparent transmission module is based on the Bluetooth 4.0 protocol standard, the working frequency of 2.4GHZ range, modulation scheme is GFSK...