Communication and IoT

Communication, GPS and IoT

Subcategories

GSM
Receiver RadioMaster, R81 mini, 8CH, FrSky D8
Receiver RadioMaster, R81 mini, 8CH, FrSky D8
In Stoc
Ultra-compact receiver for FPV drones and small RC models, offers 8 channels and FrSky D8 compatibility for stable control over 1 km. SBUS output ensures fast response, RSSI support allows real-time signal monitoring, and the 17x11 mm size and 2 g weight facilitate integration into compact builds.
18.59 €
Video switch module, 3 channels, PV3IN1, 5V, analog
Video switch module, 3 channels, PV3IN1, 5V, analog
In Stoc
3-channel video switch for analog FPV systems, allows connecting three cameras to a single VTX and quickly switching between sources directly from the radio control. It operates at 4.8-6V, switching is done via PWM on proportional channel or 3-position switch, offers stable signal through high-speed switching chip, is compact and easy to mount on drone or aircraft model.
7.33 €
TTGO LoRa32 V2.1 Development Board, 868MHz, WiFi, Bluetooth
TTGO LoRa32 V2.1 Development Board, 868MHz, WiFi, Bluetooth
In Stoc
Development module for IoT projects with LoRa communication on 868MHz, ideal for telemetry and remote control, offers high coverage up to 15 km in open field, quick integration with ESP32 for WiFi and Bluetooth, included SMA antenna for stable signal and integrated LCD display for local monitoring.
51.35 €
UART TTL to USB HID converter, CH9329, 5V
UART TTL to USB HID converter, CH9329, 5V
In Stoc
Quickly transforms UART TTL signal into a USB HID device, automatically recognized by PC as keyboard, mouse or custom HID, ideal for embedded, automation and IoT projects. Operates at 3.3V or 5V, supports ASCII characters and multimedia commands, includes absolute or relative mouse mode, allows software configuration for baud rate, VID PID and working mode.
2.74 €
TTL to RS485, UART, 3.3-5V converter module
TTL to RS485, UART, 3.3-5V converter module
In Stoc
Allows quick connection of a microcontroller to an RS485 bus via UART TTL, ideal for automation and industrial control over long distances. Operates at 3.3V or 5V, offers anti-interference protection and external grounding for harsh environments, supports up to 128 devices, includes RXD TXD LEDs and switchable 120 ohm termination resistor.
0.86 €
Bluetooth 5.0 Beacon Module, HolyIOT, 21014
Bluetooth 5.0 Beacon Module, HolyIOT, 21014
In Stoc
BLE 5.0 beacon for location, monitoring and traceability in industrial applications, based on Nordic nRF52810 chip for stable transmission up to 50 m in open space. It has a compact and IP67 sealed housing, quick configuration from the HolyIOT Beacon application and integrated accelerometer for motion detection, powered by CR2032 battery for long-term use.
23.20 €
4G industrial router, USR-G806S, IoT, RS485, WiFi, RTU to TCP
Out-of-Stock
4G industrial router, USR-G806S, IoT, RS485, WiFi, RTU to TCP, 9-36V
Out-of-Stock
Industrial 4G router for secure connectivity in IoT and automation applications, offers fast internet access and equipment interconnection via 4G, WiFi and 2 Ethernet WAN LAN ports. Integrates RS485 with Modbus RTU to TCP conversion, supports VPN for remote access, operates at 9-36V and includes 4G and WiFi antennas.
197.71 €
Access control module, NFC, RFID and Fingerprint, 2 channels
Access control module, NFC, RFID and Fingerprint, 2 channels, 10-120VDC
In Stoc
Flexible solution for access control and automation, with authentication by fingerprint, 13.56MHz IC card or NFC phone. Operates at 10-120VDC, stores up to 100 cards and 50 fingerprints, includes 2 relays for controlling gates, doors, electronic projects or automotive applications, with 10 configurable modes and programmable activation times.
58.92 €
LoRa M5 Stack module with E220 transceiver, 433MHz, 5V
LoRa M5 Stack module with E220 transceiver, 433MHz, 5V
In Stoc
High-performance LoRa solution for long-distance wireless communications, ideal for IoT, remote sensors and monitoring. It operates at 433 MHz with coverage up to 10 km in open field, UART interface with AT commands for quick integration with Arduino and similar boards, adjustable 22 dBm emission power and ultra-low sleep consumption of up to 2 uA.
42.24 €
NFC card, NTAG216, 13.56MHz
Out-of-Stock
NFC card, NTAG216, 13.56MHz
Out-of-Stock
NFC card for contactless identification and automation, compatible with ISO14443A at 13.56 MHz, with 888 bytes of useful memory for URLs, texts, access or Wi-Fi settings. It is read quickly at 1-5 cm, is rewritable over 100,000 cycles and retains data over 10 years. Standard white PVC format, easy to customize as a badge or access card, ideal for Arduino, Raspberry Pi and Android projects with NFC.
0.79 €
FPV receiver, OTG, Skydroid 5.8GHz, 150CH, True Diversity UVC
Out-of-Stock
FPV receiver, OTG, Skydroid 5.8GHz, 150CH, True Diversity UVC, MicroUSB
Out-of-Stock
Compact analog FPV receiver for live viewing on Android phone or tablet via OTG, with 150 5.8GHz channels and auto-scan for fast locking on the strongest signal. True Diversity automatically switches between two antennas for stable reception, and UVC output provides smooth 640x480 image at 30fps. Also works on PC via USB, includes MicroUSB and Type-C OTG cables and 2 antennas.
74.52 €
GSM relay module, gate opener, G202 Plus, 9-24V, 2G
GSM relay module, gate opener, G203, 9–24V, 2G
In Stoc
GSM relay module for gate opening and access control, fast activation by rejected call or SMS, works on 2G network and is powered at 9-24V. It allows storing up to 1001 authorized numbers and defining administrators and users, includes an external antenna and Nano SIM slot, COM NC NO relay output with configurable pulse time.
47.27 €
Wireless Remote Control Kit, Freenove with tutorial, NRF24L01
Wireless Remote Control Kit, Freenove with tutorial, NRF24L01
In Stoc
Quickly build a functional remote control that sends radio commands at 2.4GHz via NRF24L01, ideal for hands-on learning and Arduino-compatible projects. Includes Freenove UNO R3 board with USB-C, two NRF24L01 modules for transmitter and receiver, complete mounting and power accessories, plus step-by-step tutorial on GitHub for integration and programming.
53.11 €
Mini Gigabit converter set for fiber optic, A and B, 1000Mbps
Out-of-Stock
Mini Gigabit converter set for fiber optic, A and B, 1000Mbps
Out-of-Stock
Quickly expand your single mode fiber optic network using a single fiber, with stable bidirectional communication between modules A and B. Provides 10 100 1000 Mbps speeds, auto-adaptive Gigabit RJ45 port and SC UPC or APC connection, plug and play installation and reliable operation up to 3 km, ideal for building links, IP surveillance and industrial applications.
19.70 €
RG58 coaxial cable, 2 meters, SMA Tata connectors
RG58 coaxial cable, 2 meters, SMA Tata connectors
In Stoc
2m RG58 coaxial cable with SMA Male connectors on both ends, ideal for extending and connecting WiFi antennas, RF modules and communication equipment. The 50 ohm impedance ensures stable transmission with low loss, and the SMA connectors offer secure attachment and wide compatibility. The 2m length allows flexible positioning of the antenna.
11.70 €
MATEKSYS M10Q-5883 GPS + Compass module 5V
GPS and Compass module, MATEKSYS M10Q-5883, Drone FPV, 5V
In Stoc
Compact module for FPV drones and DIY projects, offers fast and stable positioning with simultaneous GPS, GLONASS, Galileo and BeiDou reception, up to 5Hz update via UBX for better response in flight, integrated QMC5883L compass on I2C for precise orientation, PPS LED easily indicates 3D fix status, includes 15x15 mm patch antenna for easy mounting.
89.68 €
Quectel LC29HDA GNSS RTK module with YEGB000Q1A antenna
GNSS RTK module, dual band, Quectel LC29HDA, with YEGB000Q1A antenna
In Stoc
Professional GNSS RTK solution for stable centimeter-level positioning, ideal for automation, drones, measurements and monitoring in urban environments. Dual band L1 L5 reception with multi-constellation tracking GPS GLONASS Galileo BDS QZSS, high sensitivity with integrated SAW and LNA for interference resistance, UART I2C SPI interfaces and NMEA RTCM support. Includes YEGB000Q1A antenna.
86.13 €
G10A-F30 GNSS module UBX-M10050-KB
G10A-F30 GNSS module, with UBX-M10050-KB, L1 multi-constellation, UART TTL, 25Hz, 1PPS, SBAS
In Stoc
Multi-constellation L1 GNSS solution for fast integration on TTL UART, provides stable positioning in mobile and industrial applications. Supports GPS, GLONASS, Galileo, BeiDou, QZSS and SBAS for faster fix in difficult areas, allows up to 25 Hz update for dynamic tracking, includes 1PPS output for precise synchronization and saves settings in Flash.
29.64 €
STM32F103 dev board with Air780E 4G and dual 5V relays
STM32F103 development board, 4G Air780E module, 5V double relay, for IoT
In Stoc
Integrated solution for IoT projects with 4G connectivity and external load control, based on STM32F103 and Air780E LTE Cat.1 bis module with AT firmware and low idle power consumption. Includes two 5V relays controlled from PA4 and PA5, flip-up Nano SIM slot with 4G antenna and network status LED. Simple 5V power supply via USB Type-C or KF128 terminal, easy programming via SWD or USART.
31.05 €
TTL to RS485 converter module, MAX3485, 3.3V
TTL to RS485 converter module, MAX3485, 3.3V
In Stoc
Compact converter for quick connection of 3.3V microcontrollers to RS485 networks, providing bidirectional TTL-RS485 conversion for stable industrial communication, supports long distances up to 1 km with suitable cable, includes ESD and overvoltage protection, direction is simply controlled by the EN pin for a semiduplex bus with multiple nodes.
2.06 €
USB to TTL RS485 converter module, serial, FT232RL, dual
USB to TTL RS485 converter module, serial, FT232RL, dual function
In Stoc
USB 2.0 to RS485 and TTL converter, ideal for quickly connecting PLCs, CNCs or cameras to PC. Based on FT232RL and SN75176 bidirectional transceiver, ensures stable multipoint communication up to 32 devices. Automatic direction control and speed 300-9216000 bps, compatible with Windows, Linux and Mac, 3-5V power supply with TVS protection.
3.11 €
AI Voice Assistant Module, with ESP32 S3, LCD 1.54inch, Audio
New
AI Voice Assistant Module, with ESP32 S3, LCD 1.54inch, Audio
In Stoc
Compact solution for voice assistant projects with display, based on ESP32-S3, offers Wi-Fi and Bluetooth for quick integration into smart home and prototypes, includes ES8311 audio codec with integrated microphone and speaker output, displays the conversation and status on a 1.54-inch color LCD screen, supports switching between AI models such as Qwen, DeepSeek, and Doubao via xiaozhi.me, and is easy to program via USB-C.
30.63 €
ESP32-S3 Smart IR Controller, Home Assistant, AG8
ESP32-S3 Smart IR Controller, Home Assistant, AG8
Last items in stock
DIN module for automating equipment with remote control, simultaneously controls up to 8 IR devices through independent channels and quickly learns codes with the built-in IR receiver. It integrates automatically into Home Assistant via MQTT, offers stable connectivity via WiFi or Ethernet, and is powered directly at 9-24 VDC, with USB-C for programming and backup.
143.83 €
USB Mode on GSM SIM800C – Quad-band, GPRS, Bluetooth
USB Mode on GSM SIM800C – Quad-band, GPRS, Bluetooth
In Stoc
Compact solution for GSM connectivity in automation and prototyping projects, it allows SMS, voice calls, and GPRS data transfer via AT commands. It connects directly to a PC via 5V USB thanks to the CH340T and appears as a virtual serial port. It works globally on quad band 850 900 1800 1900 MHz, includes Bluetooth and an SMA connector for the antenna, compatible with Arduino, STM32 and ESP32.
13.41 €
SIM808 development module, GSM-GPRS-GPS-Bluetooth, 5–25V
New
SIM808 development module, GSM-GPRS-GPS-Bluetooth, 5–25V
In Stoc
Development board for communications and localization, ideal for IoT and telemetry projects. It offers quad-band GSM GPRS, precise GPS with fast fix, and Bluetooth, with control via AT commands over UART with autobaud. The UART logic level is selectable at 1.25V, 3.3V, or 5V via VMCU, compatible with Arduino, STM32, ESP32, and Raspberry Pi. Includes GSM and GPS antennas.
26.27 €
AI Voice Assistant Module, ESP32 S3, Audio, Xiaozhi
New
AI Voice Assistant Module, ESP32 S3, Audio, Xiaozhi
In Stoc
Compact solution for projects with AI voice assistant and display, based on a dual-core ESP32-S3 at 240 MHz with 16MB Flash and 8MB PSRAM for fast response. Includes a 1.54" LCD, integrated microphone, and ES8311 audio codec for natural conversations with an external speaker. Offers 2.4 GHz Wi-Fi and Bluetooth 5 LE, and can be easily programmed via USB-C in Arduino IDE, ESP-IDF, or MicroPython.
31.14 €
WiFi Probe Mode, Passive Sniffer, MAC Addresses, TZ-DT06, ESP M2,5V
New
WiFi Probe Mode, Passive Sniffer, MAC Addresses, TZ-DT06, ESP M2,5V
In Stoc
Compact module for passive 802.11 sniffing, captures MAC addresses from probe requests for monitoring nearby WiFi devices without network association. Quickly transmits data over UART in hex format with timestamp and CRC, has a FIFO buffer to prevent losses, and an adjustable RSSI threshold for distance filtering. Compatible with 3.3V or 5V, ideal for pedestrian traffic analysis and presence detection.
5.19 €
Bluetooth proximity switch module, with relay, XY-MB02YF, 5V
New
Bluetooth proximity switch module, with relay, XY-MB02YF, 5V
In Stoc
Smart proximity switch with Bluetooth BLE, automatically activates a bistable relay when the phone connects and turns off the load after leaving range or disabling Bluetooth. Works without an app, compatible with iOS and Android, has very low power consumption thanks to the latching relay, supports control of up to 10A, and allows advanced settings via AT commands over UART.
14.75 €
Serial-to-WiFi Converter Module, Sinilink, XY-WFPOW, ESP8285H16
New
Serial-to-WiFi Converter Module, Sinilink, XY-WFPOW, ESP8285H16
In Stoc
Compact WiFi module with ESP8285H16 that adds remote control and real-time monitoring to Sinilink programmable power supplies, mounts directly on the board via a dedicated connector, communicates via 3.3V UART with a ModBUS bridge for commands and telemetry, operates at 3.3-5V with internal regulation, and supports advanced integration through alternative firmware such as ESPHome or Tasmota.
16.55 €
GPS module, NMEA 0183, RS232, 1Hz, 5V
New
GPS module, NMEA 0183, RS232, 1Hz, 5V
In Stoc
GPS receiver with RS232 output and NMEA 0183 messages, ideal for navigation, monitoring and time synchronization in industrial and maritime systems. It offers 1 Hz update, 66 channels with GPS QZSS support and SBAS corrections for an accuracy of about 2 m, has an active antenna integrated in an IP67 enclosure and is powered at 5 V, with a 2.5 m shielded cable for quick connection.
28.06 €