Connectivity

SKU: DF-SEN0486 | Brand: DFRobot

This highly integrated QR code scanner with excellent performance can recognize common 1D codes and 2D codes. With a small size, it employs easy-to-connect Gravity Interface and is equipped with a colorful indicator t...

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-5023 | Brand: Adafruit

A compact Bluetooth-enabled clock and sensor that displays the current time, temperature, and humidity on a crisp e-ink screen. At just 110 × 55 mm with a minimal ABS enclosure, it fits neatly on a desk, shelf, or wal...

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-18086 | Brand: SparkFun

This small form-factor antenna offers a 2.4GHz frequency range. These antennas offer adhesive backing that simplifies mounting within the device for a FPC or PCB. Just connect the antenna using the attached U.FL conne...

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-FIT0854 | Brand: DFRobot

This M12 to RJ45 Ethernet adapter uses M12 male 4 pin D coded with IP67 waterproof rating, which is impervious to dust and short-term soaking, safe and reliable to use. There are metal shielding layers on the RJ45 por...

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-DFR0777 | Brand: DFRobot

INTRODUCTIONStarting to build your dream Speakers with this Bluetooth Power Amplifier board! This cost-effective high power Bluetooth amplifier board features 100W output power, a volume control button, Bluetooth 5.0 ...

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-CRF16500R | Brand: Elecrow

This product has been used in building intercom and access control products for many years, it has high stability and strongest anti-interference ability. The ATMEGA8 of this module is a high- performance AVR MCU of A...

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: EC-WWI8266ESP | Brand: Elecrow

This serial WiFi transceiver module is based on ESP8266 SoC.. ESP8266 is a highly integrated chip that has Integrated TCP/IP protocol stack. It offers a complete and self-contained Wi-Fi networking solution, allowing ...