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.

Reference: RBD-1138

AI-thinker A9G GSM/GPRS+GPS/BDS Development Board

Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v

Reference: RBD-1015

Sonoff 4CH R2 Smart Switch Wifi

Power Supply: 90V~250V AC(50/60Hz) Max. Current: 10A/gang Max. Power：2200W/gang, 2200W/Total Wireless Standard: 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0

Reference: RBD-1765

LILYGO TTGO LoRa32 915Mhz ESP32 OLED 0.96 Inch Wireless Module

LILYGO TTGO Model: 915MHZ CH9102F  T3_V1.6.1 LoRa32 V2.1_1.6 Version 915Mhz ESP32 LoRa OLED 0.96 Inch SD Card Bluetooth WIFI Wireless Module ESP-32 SMA

Reference: RBD-0345

ESP8266 ESP-01 WIFI Wireless Transceiver Send Receive LWIP AP+STA M70

802.11 b/g/n Standards Wi-Fi Direct (P2P), soft-AP 1MB Flash Memory Integrated low power 32-bit CPU could be used as an application processor A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) RoboticsBD

Reference: RBD-0273

Brand: Waveshare

Arduino WIFI Shield EMW3162

A1rduino WIFI Shield EMW3162 (module is not included)

Reference: RBD-1671

ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino

ESP32 Bluetooth Wi-Fi development board, support NodeMCU / Arduino DHT11 temperature and humidity sensor CP2104 communication chip USB TO TTL Micro USB port Soil probe (long) soil temperature and humidity detection module 18650 Lithium Battery Holder Powered (Battery is not included)

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-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-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-1176

Sonoff S26 WiFi Smart Socket

Power supply: 90V~250V AC(50/60Hz) Max. Current: 10A Remote turn on/off connected device. Support checking real-time device status on APP. Support scheduled/countdown/loop timing tasks. Setting scene to turn on/off a group of devices in the same account. Setting scene to trigger on/off the other device by status changes

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-2138

NodeMCU Mega WiFi R3 Atmega2560 ESP8266 32Mb Memory Board

Arduino compatibility Full integration USB-TTL converter 32 Mb flash memory Dual microcontrollers

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-1017

Sonoff IFan02 Smart Wifi Fan Speed Control

Input: AC 100-240V 50/60 Hz 5A Output: Light: AC 100-240V 50/60 Hz 3A, Fan: AC 100-240 V 50/60 Hz 2A Max Rf Frequency: 433.92 MHz Turn on/off ceiling fan and light using your voice Support the RM433 RF to control devices (RM433 RF included) Share the device and manage it with your family together Display the real-time device status on the app Check out...

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-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-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-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-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-1552

868MHz RF LoRa SX1276 Long-Distance Communication Module

Working Frequency: 868 MHz Distance: 8000m RF IC: SX1276

Reference: RBD-1820

ESP-32S ESP-WROOM-32 Development Board 38P NodeMCU

38 Pin version 2.4GHz Dual-Mode WiFi + Bluetooth Development Board, 38PIN Ultra-Low power consumption works perfectly with the IDE

Reference: RBD-0841

A6 GPRS GSM Module

Supports Quad-band: GSM850, EGSM900, DCS1800 and PCS1900 Connect onto any global GSM network with any 2G SIM Make and receive voice calls using an external 8Ω speaker & electret microphone Facility to connect 4-pole TRRS mic and headset

Reference: RBD-2268

ESP32 V1.3 Dev Board CH340C NodeMCU-32

Features WiFi+Bluetooth connectivity with the ESP-WROOM-32 module Accessible I/O pins via extension headers for easy customization Onboard USB CH340 for convenient programming and debugging 2x keys for reset or user-defined functions ESP32S-DEV development board is a cost-effective solution for a wide range of applications.

Reference: RBD-1531

Discovery Kit STM32F429ZI MCU STM32F429I-DISC1

STM32F429ZIT6 microcontroller featuring 2 Mbytes of Flash memory, 256 Kbytes of RAM in an LQFP144 package 2.4" QVGA TFT LCD USB OTG with Micro-AB connector I3G4250D, ST MEMS motion sensor 3-axis digital output gyroscope

Reference: RBD-1578

DT-06 TTL to WIFI Module

Support serial AT command Support re-programmable, OTA firmware update Seamless transparent transmission between serial and WiFi Built-in HTTP Web Server, support configure parameters by web page

Reference: RBD-1945

LILYGO® TTGO T8 ESP32-S2 V1.1 WIFI Wireless Module Type-c Connector TF Card Slot Development Board

TTGO module from LilyGO  Microcontroller based on an ESP32-S2 chip.  USB-C connection  MicroSD card adapter.

Reference: RBD-1852

ESP32-CAM External Antenna

IPEX To SMA Female External Antenna Adapter SMA Male Antenna for 2.4G WIFI Module Only Antenna and Adapter RF Cable  ESP32 Cam is not included

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-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...