- Raspberry Pi
- Mini Computer/ PC
- 3D Printer
- Internet of things (IoT)
- Arduino Shield
- Robotics Parts
- Home Automation
- Industrial Shield
- Industrial Component
- Motor Driver
- Communication Module
- Robot Platform Chassis
- Power Module & Adapter
- PLC Cable
- Tools & Accessories
- Thermal Printer
- Solar Panel
- Battery & Charger
- Retired Products
Length: 8.5 inches (Medium) Material: Copper Plated.EachPin Spacing: 2.54mm.Color: Colorfulcompatible with 2.54mm mil spacing pin headers.It can be used for PCB project, pc motherboard, etc.Allow you to plug and unplug easily for prototyping.Package Contents: 1 x Jumper Wire You will get only one pcs.
Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.
Sonoff 4 Channel R3 Wireless WiFi Smart Switch (10A, 2200 W)
4 Channel WiFi Smart Switch
It can control 4 devices individually
Cost effective to control multiple appliances
Best Suitable for any Resistive load up to 2200 watt/channel
Store Pickup Available!
Free Ship Over 5000 BDT
About this item
- Independently control 4 devices : Just need one Sonoff 4ch R2 that can make you connect and control four home appliances and electronic devices independently.
- Smart remote control switch: You can check your home appliance status anytime & anywhere, and control them on/off with just a click on your smart phone or tablet via WiFi via APP eWeLink. It's no limit to the distance.
- Share control of devices to others: You can simply share control of your home appliances to others so that they can also turn on/off the devices remotely.
- Set time schedules for automatic control: It has single, repeating, and countdown timers that you can use to control home appliance on/off automatically.
- Works with Alexa: Link "eWeLink Smart Home Fan" skill. You can directly ask Amazon Echo/Echo Dot/Amazon Tap to turn on/off your Sonoff devices. Works With the Google Assistant: Link "Smart We Link" on Google Home app, start to voice control your Sonoff devices on Google Home.(Only eWeLink advanced users have access to IFTTT,costs 9.9USD and you will enjoy a full year of the privilege)
Works with Amazon Alexa & Google Home Assistant
1. Tap "eWeLink Smart Home"on Alexa App, or "Smart We Link" on Google Home App.
2. Enter your eWeLink account and log in.
3. All the devices supported by voice control under your account display on Alexa App or Google Home App.
4. Name the devices to complete.
5. Now, control the connected devices with voice commands.
“Alexa, turn on the light.”
“Hey Google, turn off the bedroom light.”
Turn on/off 4 connected devices independently.
Turn on 1 device every time, and turn off other devices at the same time.
Turn on 1 device and it will automatically turn off after 0.5-3600s.
Share the control permission of devices to other accounts to control together.
Support scheduling a timer to make devices automatically start and stop to work.
Customize Smart Scenes
You can create smart scenes in order that one SONOFF device can trigger on/off another one or gather multiple devices into one group and tap to run them together.
Security Comes Before Everything
The durable flame-retardant PC shell provides the maximum safety for connected devices in use.
Power On state
You can set the power-on state to: ON/OFF/KEEP. When the device is powered back on,the switch status of the device will be determined by the power-on state you set.
No Hub Required
The device works with 2.4G WiFi router without the need of extra hub (5.0 GHz WiFi is not supported).
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Cable Length: 2.5m Frequency Range(MHz): 824-960/1710-1990Mhz Bandwidth(MHz): 136/280 VSWR≤1.5 Gain(dBi): 2-3dbi Max Input power(W): 60 Input Impedance(Ω): 50 Polarization Type: Vertical net weight: 47g Cable Type: RG174 Mounting Adhesive
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Technical DataApplicable Bands: Dual Band 900/1800 MHzFrequency Range: 880-960 MHz / 1710-1990 MHzBandwidth: ±5 MHzVSWR (5m): 2.0 : 1Impedance: 50 ohmGain: 2 dBiMax Input power: 60WPolarization Type: VerticalDimension: 10.4 (D) x 55 mm (H)Colour: BlackConnector Type: SMA maleOperating Temperature: -40°Cto +85°C
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