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Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0351
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: RBD-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
Reference: 1353
Length: 12.5 inches/30 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
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Free Ship Over 5000 BDT
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Sonoff 4CH R3 4 Channels Smart Switch Home Automation 10A
Change your old conventional manual electrical switchboard to today’s generation a smart voice-controlled switchboard with all new Sonoff 4CH R3 4 Channels Smart Switch. Sonoff is a leading brand of Best Quality IoT Switching devices that provides a diverse range of products.
This Sonoff 4CH R3 4 Channels Smart Switch Operates on 230V AC so you won’t need to arrange any additional power supply to run this device, you can make the easy connections and hide this device inside the switchboard itself or install it over the switchboard. It Supports Google assistance as well as Alexa voice command to ON-OFF the 4 different 230V AC application with operating current up to 10A it means you can operate almost all appliances at home.
Sonoff 4-gang WIFI smart switch has four pushbuttons to ON-OFF the devices individually also it can be done via a mobile app voice command available on Google play store and Apple App Store and any Voice assistance devices like Alexa Speaker remote or Google devices. Onboard 4 LED lights to show the status and one additional LED to show the WIFI connection status. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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| General Specification | |
| Model | 4CHR3 |
| Input Voltage (V AC) | 110 ~ 240 |
| Output Voltage(V) | 110-240V AC 10A |
| WIFI | IEEE 802.11b/g/n 2.4GHz |
| Color | White |
| Material | PC |
| Length (mm) | 145 |
| Width (mm) | 90 |
| Height (mm) | 34 |
| Weight (gm) | 200 |
| Shipment Weight | 0.22 kg |
| Shipment Dimensions | 15 × 8 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x Sonoff 4CH R3 4 Channels Smart Switch Home Automation 10A
1 x Small Scew Driver
1 x User Manual.
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The latest price of Sonoff 4 Channel R3 Wireless WiFi Smart Switch (10A, 2200 W) in Bangladesh is BDT 2,220 You can buy the Sonoff 4 Channel R3 Wireless WiFi Smart Switch (10A, 2200 W) at best price from our RoboticsBD or visit RoboticsBD Office.
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Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
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Product Images are shown for illustrative purposes only and may differ from the actual product. |
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Reference: RBD-0814
The 2021 Model is Sonoff Basic R2 Support remotely turn on or off added devices. Support Max 8 timers tasks for each added device. Works with AMAZON ALEXA Works with GOOGLE ASSISTANT Also, Work with NEST Support numerous Wi-Fi smart switches one smartphone.
Reference: RBD-0960
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-1015
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-1016
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-1017
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-1176
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-1345
Remotely control the ceiling fan and light on your phone 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 The fan speed is optional from the high, medium and low speed (only for RM433 RF)...
Reference: RBD-1418
Model: 4CHR3 Input Voltage: 110-240V AC 16A MAX Output Voltage: 110-240V AC 10A/Gang (16A total) WiFi: IEEE 802.11b/g/n 2.4GHz Color: White Material: PC Dimension: 145 x 90 x 34 mm
Reference: RBD-1525
Can control up to 3 device 220V Model : T3EU3C Remotely control devices through a phone Turn on/off devices with Amazon Alexa and Google Assistant Touch control buttons for convenient operation Set a particular time to turn on/off devices Customize one or groups of SONOFF devices to turn on/off with a simple tap Allow you to manage devices when there is...
Reference: RBD-1526
Can control up to 2 device 220V Model : T3EU2C Remotely control devices through a phone Turn on/off devices with Amazon Alexa and Google Assistant Touch control buttons for convenient operation Set a particular time to turn on/off devices Customize one or groups of SONOFF devices to turn on/off with a simple tap Allow you to manage devices when there is...
Reference: RBD-1336
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-0318
This module is intended for advanced users who require moderate knowledge of GSM systems and microcontrollers. It needs wiring and firmware updates to unlock the country lock. Dual-Band 900/ 1800 MHz GPRS multi-slot class 10/8GPRS mobile station class B Compliant to GSM phase 2/2+ Dimensions: 24*24*3 mm Weight: 3.4g Control via AT commands (GSM 07.07...
Reference: RBD-0960
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-2366
The ESP32-S3-DevKitC-1 Version 1.0 is an entry-level development board equipped with ESP32-S3-WROOM-1, ESP32-S3-WROOM-1U, or ESP32-S3-WROOM-2, a general-purpose Wi-Fi + Bluetooth® LE MCU module that integrates complete Wi-Fi and Bluetooth LE functions. Most of the I/O pins on the module are broken out to the pin headers on both sides of this board for...
Reference: RBD-2550
This multi-functional air quality monitor offers simultaneous testing for PM2.5, CO2, TVOC, HCHO, AQI, temperature, and humidity. Featuring a 2.8-inch TFT color display, it provides clear and easy-to-read detection data. Additionally, the monitor can be connected to the Tuya App for real-time air quality monitoring and historical data trend analysis...
Reference: RBD-1020
Frequency (MHz) : 824 – 960 MHz & 1710 – 1980 MHz Gain:2 / 3 dBi Impedance (Ω): 50 Connector Type: SMA Plug VSWR :< 2.5
Reference: RBD-1864
USB and Bluetooth Low energy connectivity. Compass and Accelerometer. 2 x user-assignable buttons. A 25 LED display. 21 pin edge connector.
Reference: RBD-1535
Multiple Outputs: 5V+12V+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-2271
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-1640
Color: White Material: Metal + Plastic Operating Voltage : 12V DC Standby Current : ≤90mA Alarm Current : ≤100mA
Reference: RBD-1729
Tuya Smart Universal IR Remote Control your Air Conditioner TV AC Works with Alexa, Google Home
Reference: RBD-2367
ESP32-S3-WROOM-1-N16R8(16M Flash/8SRAM) Powerful ESP32-S3 chip for enhanced processing capabilities Dual Type-C USB ports for easy connectivity Built-in Wi-Fi and Bluetooth for seamless communication 16MB flash memory for ample storage space 8MB PSRAM for efficient multitasking Micropython support for easy programming Ideal for IoT projects, robotics, and...
Reference: RBD-1578
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-1661
All in one kit for Arduino Based Wireless and IoT NRF wireless Transceiver Module Sim900 Shield Sim800L RF Transmitter and Receiver
Reference: RBD-2164
WeMos D1 R32 Mini ESP32 WIFI Bluetooth Development Board CH340 chip for compatibility with Arduino UNO R3 Supports WIFI and Bluetooth connectivity Comes with a Type-B/Micro USB adapter
Reference: RBD-2064
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-1910
Square onboard USB interface for connection stability The use of imported high-performance USB controller chip Use the special relay driver chip ULN2803, relay work more stable Military grade PCB board production Input voltage: DC 12 V Input Current: more than 300mA Connection : NC / COM / NO Note: Relay might be different from the picture as per stock
Reference: RBD-1552
Working Frequency: 868 MHz Distance: 8000m RF IC: SX1276
Reference: RBD-1566
Long distance APP remote control via WIFI; Support routing mode (AP) and LAN connection mode (STA); Support almost every kind of one-wire or two-wire LED driver IC; Brightness adjustable, with 180 kinds of patterns and 8 kind of color adjustable patterns;
Reference: RBD-2108
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-1672
Model Number: P06 Product Name: PIR Sensor Indoor Communication: greater than 20 Meters Detect Angle Side View: 128 degrees Detect Angle Down View: 128 degrees Detect distance: 10 Meters<
Reference: RBD-2488
Support Hardwired TCP/IP Protocols: TCP, UDP, ICMP, IPv4 ARP, IGMP, PPPoE, Ethernet 10BaseT/100BaseTX Ethernet PHY embedded Auto-Negotiation (Full-duplex and half duplex) Support Auto MDI/MDIX Simultaneously Supports to 4 independent sockets 0.18 µm CMOS technology 3.3V operation with 5V I/O signal tolerance Provide Serial Peripheral Interface (SPI MODE...
Reference: RBD-2142
Operating Voltage: 5VDC USB to Serial Converter: CH340C Compatible With:ESP8266 ESP-01/01S Comes With Onboard Reset Switch Has Female Headers for Connecting the Wifi Module.
Reference: RBD-1134
Easy to Assemble Comes With all Components Operating Voltage: 5VDC Operating Current: 200mA Compatible With Arduino and Raspberry Pi
Reference: RBD-1525
Can control up to 3 device 220V Model : T3EU3C Remotely control devices through a phone Turn on/off devices with Amazon Alexa and Google Assistant Touch control buttons for convenient operation Set a particular time to turn on/off devices Customize one or groups of SONOFF devices to turn on/off with a simple tap Allow you to manage devices when there is...
Reference: RBD-2268
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-0308
New Rainproof WIFI Transmitter Wireless P2P 30fps realtime video FPV Transfer compatible IPhone, IPad, Android system WiFi transmission, no need router, no need internet. Support iPhone, iPad, and Android phone Transmission distance with no obstacle 150meters The terminal shall support Android 2.2 or above, and iOS shall support Version 4.3 or above. Easy...
Reference: RBD-1654
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-1531
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-2138
Arduino compatibility Full integration USB-TTL converter 32 Mb flash memory Dual microcontrollers
Reference: RBD-1309
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 5V 3A. Load regulation (%): ±5. Input Plug: 2-Pin EU type. Output Plug: Micro USB Plug. Compatible with: Raspberry Pi B+, 2, 2B, 2B+,3 ,3B+, Zero, Zero W. It has a switch so you can easily power off the device without having to unplug it right from the socket.
Reference: RBD-0022
Affordable Price Operating Voltage: 5 V Sonar Sensing Range: 2-400 cm Max. Sensing Range: 450 cm Frequency: 40 kHz RoboticsBD
Reference: RBD-0654
Single row. 2.54mm pitch. 1 x 40 pins. Through-hole mount. RoboticsBD
Reference: RBD-1063
Temperature Control Range(°C): -50 to +110 Resolution @-9.9°C to +99.9°C: 0.1°C Resolution @all temperatures: 1°C Accuracy: 0.1°C Refresh Rate(s): 0.5 Supply Voltage(V): 12 Measuring Inputs: NTC10K Cable Length: 0.5 Meter Output Type: 1 Channel Relay Output Capacity: 10A
Reference: RBD-1172
Infrared Sensor Automatic Lighting Control Switch with lamp holder; convenient, safe & practical. Good solution for energy saving. You can conveniently let the light auto on/off. The switch can detect the human body's infrared, and use infrared to control the load. Easy to install. Strong anti-interference ability Suitable for corridor, toilet,...
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-1329
Current: 1A; Voltage : AC 220V / 380V Thread Dia(Approx) : 11mm/0.43" Overall Size(Approx) : 14 x 20mm/0.55" x 0.78"(D*L) Weight : 16g; Package Content : 2 x Keylock Switch
