Reference: RBD-0960

WiFi IoT Switch Sonoff Pow R2

Voltage range: 100-240V AC Color: White Remote Control Monitor Energy Usage Historical Energy Consumption Overload Protection Measure Power Usage for a Period Sync Status Timing Function Share Control Smart Scene APP Supported Check out New Product Sonoff POWR320D Elite Smart Power Meter Switch

Reference: RBD-1336

ESP8266 5V WIFI Relay Smart Home Remote Control Switch

Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Transmission Distance : 400m (max) Relay : 5V,10A/250V AC 10A/30V DC Baud Rate: 9600. Diode effusion protection; Short...

Reference: RBD-1134

M590E GSM GPRS module Diy kits M590 GSM GPRS 900m-1800m sms CPU MCU test

Easy to Assemble Comes With all Components Operating Voltage: 5VDC Operating Current: 200mA Compatible With Arduino and Raspberry Pi

Reference: RBD-0273

Brand: Waveshare

Arduino WIFI Shield EMW3162

A1rduino WIFI Shield EMW3162 (module is not included)

Reference: RBD-0552

A6 Pro Serial GPRS GSM Module Core Development Board

Working frequency: quad-band network, 850 / 900 / 1800 / 1900MHz Working voltage: 4.8-9VDC(On-board voltage regulator circuit supply power for A6 module) Working Current: maximum of 2A. RoboticsBD

Reference: RBD-0948

ESP32 ESP-32S 30P NodeMCU Development Board Wireless WiFi

Built-in Flash: 32Mbit Power supply: 5V WiFi protocol: IEEE 802.11 b/g/n Peripheral interface: UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S Logic level: 3.3V

Reference: RBD-1016

Sonoff Dual 2CH Wifi Smart Switch

Power Supply: 90-250V AC Max Current: 16A(2 gang),10A(1 gang) Max Power:  3500W(2 gang) / 2200W(1 gang) Product Dimensions: 114*52*32mm Color: White  Frequency: 802.11 b/g/n  Security Mechanism: WPA-PSK/WPA2-PSK

Reference: RBD-0698

ESP8266 ESP-01 Serial WiFi Wireless Adapter Module

On-board level shift circuit Arduino UNO R3 and the compatible board can directly connect to this module; Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit); Working voltage: 4.5~5.5V (Onboard 3.3V LDO Regulator); Working current: 240mA(MAX).RoboticsBD

Reference: RBD-1412

TTGO T-Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board

Chipset :ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor FLASH: QSPI flash 4MB / PSRAM 8MB SRAM:520 kB SRAM Button: Reset USB to TTL: CP2104 Modular interface: UART,SPI,SDIO,I2C,PWM,TV PWM,I2S,IRGPIO On-board clock:40MHz crystal oscillator Working voltage:2.7V-3.6V Working current: About 70mA

Reference: RBD-1812

WeMos D1 mini Pro – ESP8266 based WiFi Module

11 digital input/output pins Interrupt/PWM/I2C/one-wire 1 analog input(3.2V max input) 16M bytes(128M bit) Flash External antenna connector Built-in ceramic antenna New CP2104 USB-TO-UART IC

Reference: RBD-2266

ESP32 Dev Board CH340 USB-C

Versatile and powerful development board for IoT and embedded systems projects. USB Type-C port for reversible plug orientation and easy connection to computer or other devices. Built-in Wi-Fi and Bluetooth module for wireless connectivity. Arduino IDE compatibility for easy code writing and uploading. Suitable for a wide range of applications, including...

Reference: RBD-1402

NodeMCU ESP8266 Expansion Base Board

The perfect solution for breaking out the pins from Lua V3 Nodemcu. Lead-out all the IO ports of the ESP-12E development board Lead out the pins of 5V and 3.3V power supply Convenient to connect with peripheral modules Onboard 5V / 1A DC-DC step-down converter circuit Onboard power indicator With DC power jack 6-24V.

Reference: RBD-2271

ESP32 30P Development Expansion board

Wide compatibility with ESP32-DevKitC(30P) series boards Safe and reliable with stable power and signal transmission Extended GVS interface for easy connection to various electronic modules and sensors JUMP interface for easy reuse of all pins, making it ideal for DIY projects Versatile and reliable option suitable for a wide range of projects

Reference: RBD-2108

WGP Mini UPS - Router + ONU Backup Output 5V, 9V, 12V

Multiple Outputs: 5V+9V+12V Constant DC output, long backup time up to 6 hours Intelligent circuit design with over-charging, over-discharging and short circuit protections Suitable for 95% DC/USB digital products, such as: modem, router, CCTV camera, mobile phone etc.

Reference: RBD-1558

TTGO Meshtastic T-Beam V1.1 ESP32 WiFi Bluetooth GPS with OLED

TTGO Meshtastic T-Beam V1.1 ESP32 915Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder  OLED (915Mhz OLED)

Reference: RBD-1654

5 In 1 Portable CO2 Detector Air Quality Detector Intelligent Air Detector

5 In 1 Portable  CO2 Detector Air Quality Detector Intelligent Air Detector Temperature and Humidity Sensor Carbon Dioxide Monitor TVOC Formaldehyde Detection HCHO Detector  Color Black

Reference: RBD-1670

ESP8285 IR Infrared Transmitter Receiver Module WIFI Remote Control Switch

The smallest 802.11b/g/n Wi-Fi SoC module Uses low power 32bit CPU and compatible with the application processor Main frequency up to 160MHz Built-in 10Bit high precision ADC Support UART/GPIO/PWM/ADC interface Integrate Wi-Fi MAC/BB/RF/PA/LNA

Reference: RBD-2269

ESP32 Dev Board CH9102X

Adds WiFi and Bluetooth connectivity to your projects, great for IoT and automation applications Integrated antenna and RF balun, power amplifier, and other features in a small printed circuit board area Low power consumption and safe, reliable, and scalable RF properties Supports Lua programming and Win10 system automatic installation drive Small form...

Reference: RBD-1962

ESP32-S2-DevKitM-1 Development Board

ESP32-S2-DevKitM-1 Equipped with ESP32-S2-MINI-1 module Easy interfacing Integrates ESP32-S2FH4 chip.  PCB antenna  4 MB SPI flash.

Reference: RBD-1337

ESP8266 Dual WiFi Relay Module Internet Of Things Smart Home Mobile APP Remote Switch

Transmission Distance(m) :400 Relay Channel:2 Trigger Voltage (VDC): 5 Switching Voltage (VAC):250@10A Switching Voltage (VDC):30@10A Baud Rate:9600 Note: Relay might be different from the picture as per stock

Reference: RBD-1529

LoRa SX1278 Long Range RF Wireless Module

Model:SX1278ZTR4 SX1278 433mhz module spread spectrum low power serial port module LoRa wireless module Range: 3-5 KM (line of sight) Sensitivity: down to -148dBm Programmable bit rates: up to 300kbps RSSI dynamic range: 127dB Wireless frequency: 433MHz Working voltage: 1.8-3.7v Working temperature: -40-+80 ℃

Reference: RBD-1831

Siemens Logo 6ED1052-1MD08-0BA1 (Model Year: 2021)

Part No: 6ED1052-1MD08-0BA1 Country of origin: China Condition: Brand New

Reference: RBD-2267

ESP32 Dev Board CP2102

Integrated Wi-Fi and Bluetooth connectivity make this board a great choice for IoT projects and robotics. The ESP32 chip on the board is a dual-core microcontroller that operates at up to 240 MHz, providing ample processing power for complex projects. With 520 KB of SRAM and 4 MB of flash memory, the board has plenty of memory for storing and running...

Reference: RBD-1603

MicroPython Board R3 ATmega328P+ESP8266, 8Mb flash, USB-TTL CH340G, Micro-USB

USB-TTL converter. Logic Level: 5V. Operating Supply Voltage: 5V. Digital I/O Pins: 14. Analog I/O Pins: 6.

Reference: RBD-1255

NodeMCU ESP8266 with 0.96 Inch OLED Module Development Board

Integrated 0.96″ OLED Micro USB connection Compatible with Arduino Compatible with NodeMCU(Lua for ESP8266) Input Power 5V Compatible for Arduino Compatible with NodeMCU(Lua for ESP8266)

Reference: RBD-0579

GPS GSM GPRS SIM808 Module (Arduino Compatible)

Quad-band 850/900/1800/1900MHz GPRS multi-slot class12 connectivity: max. 85.6kbps(down-load/up-load) GPRS mobile station class B Controlled by AT Command (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands) Supports charging control for Li-Ion battery Supports Real-Time Clock Integrated GPS/CNSS and supports A-GPS Low power consumption, 10mA in sleep...

Reference: RBD-0694

ESP8266 CH340 NodeMCU Wifi Module Lua V3

Power input: 4.5V ~ 9V (10VMAX), USB-powered Transfer rate: 110-460800bps Support UART / GPIO data communication interface Support Smart Link Smart Networking Working temperature: -40°C ~ + 125°C Drive Type: Dual high-power H-bridge Don’t need to download resetting A great set of tools to develop ESP8266 Flash size: 4MByte Lowest cost WI-FI Note: The...

Reference: RBD-1806

LILYGO® TTGO T-Display ESP32 WiFi And Bluetooth Development Board

Based on ESP32 240MHz Xtensa dual-core 32-bit microprocessor Operating Voltage: 2.7V – 4.2V Working Current: 60mA Battery Charging Current: 500mA

Reference: RBD-1020

GSM Antenna with SMA Male Connector

Frequency (MHz) : 824 – 960 MHz & 1710 – 1980 MHz Gain:2 / 3 dBi Impedance (Ω): 50 Connector Type: SMA Plug VSWR :< 2.5

Reference: RBD-2064

SIM800L NEW GPRS GSM Module Core Board Quad-band TTL Serial Port with the antenna

TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal. Note: If you want to buy the cheaper recycled SIM800L Module Click here.