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Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
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: 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: RBD-0094
Arduino UNO in Bangladesh Micro-controller : ATmega328. Operating Voltage : 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins : 14 (of which 6 provide PWM output). Analog Input Pins : 6.
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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 with a manufacturer warranty.
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. RoboticsBD
| 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 |
1 x Sonoff 4CH R3 4 Channels Smart Switch Home Automation 10A
1 x Small Scew Driver
1 x User Manual
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-1765
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
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-1821
Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled Arduino-like hardware IO Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLL, regulators, DCXO and power management units Onboard USB to serial chip to easily program and upload codes from the Arduino IDE Embeds logic level converter circuits...
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-1812
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-1962
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-0698
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-1641
Product: GSM Antenna Color: Black SMA male straight 5cm 900-1800MHz radio antenna. Frequency: 900MHz – 1800MHz Maximum Power: 50W Length: 5cm/1.97 inch
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-1671
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-0841
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-2176
SX1262 LoRa Module 868MHz 915MHz RF 30dBm Long Distance 10km E22-900T30D-V2.0 Wireless Transceiver Receiver SMA-K Interface
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-0443
Based on SIMCom‘s SIM900 Module Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world. Control by AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands. Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).
Reference: RBD-2131
S2 Mini V1.0.0 ESP32-S2 4MB FLASH 2MB PSRAM WIFI Development Board ESP32 S2
Reference: RBD-1337
Transmission Distance(m) :400 Relay Channel:2 Trigger Voltage (VDC): 5 Switching Voltage (VAC):250@10A Switching Voltage (VDC):30@10A Baud Rate:9600
Reference: RBD-1402
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-1558
TTGO Meshtastic T-Beam V1.1 ESP32 915Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder OLED (915Mhz OLED)
Reference: RBD-1602
Microcontroller: ESP8266EX Operating Voltage: 3.3V Digital I/O Pins: 11 (all I/O pins have interrupt/PWM/I2C/one-wire capability, except for D0) Analog Input Pins: 1 Flash Memory: 4MB On-Board Switching Power Supply: Input Voltage Range: 9V to 12V Output: 5V at 1A Max
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. We do not provide technical support, so please consider this when purchasing this item. RoboticsBD Dual-Band 900/ 1800 MHz GPRS multi-slot class 10/8GPRS mobile station class B...
Reference: RBD-1603
USB-TTL converter. Logic Level: 5V. Operating Supply Voltage: 5V. Digital I/O Pins: 14. Analog I/O Pins: 6.
Reference: RBD-1039
The module was recycled from a mobile phone so you can say it is used. 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. In recent years...
Reference: RBD-1852
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: 2164
CH340 WeMos D1 R32 Mini ESP32 WIFI Bluetooth Development Board for Arduino UNO R3 WeMos TTGO with Type-B/Micro USB Adapter 5-12V Type-B Board
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-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
Reference: RBD-1670
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-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-1138
Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v
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-1397
Programmer: CH340 Operating Voltage 5V Input Voltage (recommended) 7-12V Input Voltage (limits) 6-20V Digital I/O Pins 54 (of which 15 provide PWM output) Analog Input Pins 16 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Flash Memory 256 KB of which 8 KB used by bootloader
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: RBD-0945
Length: 1.5m Weight: 82 gm. Color: Steel Black Supports all HDTV devices including 1.4 Supports resolution up to 1080P Supports 3D and Blu-ray Disc
Reference: RBD-0136
Microcontroller: AT91SAM3X8E Operating Voltage: 3.3V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-16V Digital I/O Pins: 54 (of which 12 provide PWM output) Analog Input Pins: 12 Analog Outputs Pins: 2 (DAC) A 32-bit core, that allows operations on 4 bytes wide data within a single CPU clock. CPU clock at 84Mhz 96KBytes of SRAM
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-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-0983
Capacity (mAh): 960-2000 Output Voltage: 3.7V High energy density High working voltage for single battery cells. Pollution-free Long cycle life Genuine SMALL SUN
