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Gravity - relay module - with DC-USB adapters - DFRobot DFR0643

Index: DFR-19032 EAN: 5904422361624
Relay module included with DC adapters manufactured by DFRobot. It has a built-in Gravity connector, which allows to reduce the number of connection wires, making it convenient and friendly especially for novice users. Adapters included in the kit make the relay compatible with most power sources, battery boxes or DC power supplies and PowerBanks. The module is equipped with a bistable switch, which makes it possible to switch between normally closed NC and normally open NO modes. It supports voltages from 3.3, V to 5.5 V. It is compatible with control boards like Arduino or DFRduino.
Gravity - relay module - with DC-USB adapters - DFRobot DFR0643
€8.66 -20%
€6.93
€5.63 tax excl.
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Manufacturer: DFRobot
Compatibility: Arduino Micro:bit

Product description: Gravity - relay module - with DC-USB adapters - DFRobot DFR0643

Relay module included with DC adapters manufactured by DFRobot. It has a built-in Gravity connector, which allows to reduce the number of connection wires, making it convenient and friendly especially for novice users. Adapters included in the kit make the relay compatible with most power sources, battery boxes or DC power supplies and PowerBanks. The module is equipped with a bistable switch, which makes it possible to switch between normally closed NC and normally open NO modes. It supports voltages from 3.3, V to 5.5 V. It is compatible with control boards such as Arduino or DFRduino.

The product iscompatible with Arduino
There is a product wiki page available on the manufacturer's website, which contains detailed user guide and sample program code for Arduino IDE environment.

Gravity - moduł przekaźnika wyprodukowany przez firmę DFRobot.
Gravity - a relay module manufactured by DFRobot.
Przekaźnik może być wykorzystywany do sterowania wiatrakami.


The relay can be used to control windmills.

Znajduje zastosowanie także jako kontroler nawilżaczy powietrza.


It can also be used as a humidifier controller.

Opis wyprowadzeń przekaźnika od DFRobot.

Pinout description of the relay from DFRobot.

Pinout description

  • VIN - power input
  • VOUT - output power
  • Gravity:
    • "-" - circuit ground
    • "+" - chip power supply
    • D - LED signal

Technical specification

  • Supply voltage VIN: from 5 V to 30 V
  • Operating current VIN: 0 A to 2.5 A
  • Operating voltage: 3.3 V to 5 V
  • Operating temperature range: from -55°C to 150°C
  • Switching characteristic:
    • T (on) = 20 us
    • T (off) = 50 us
  • Switching frequency: 1 kHz
  • Output status indication: LED
  • Adapter: 2.1 / 5.5 mm DC socket
  • Module dimensions: 37 x 24 mm
Moduł został wyposażony w przełącznik bistabilny, za pomocą którego można manualnie przełączać tryby NC i NO.

The module is equipped with a bistable switch, which can be used to manually switch between NC and NO modes.

Do zestawy dołączono adaptery DC, które są kompatybilne z większością źródeł zasilania.

DC adapters are included that are compatible with most power sources.

Contents of the set

  • Gravity - relay module
  • Gravity connection cable
  • Adapter DC 2.1 / 5.5 mm
  • Adapter DC 2.1 / 5.5 mm male - 2 pcs.
  • DC 2.1 / 5.5 mm female to male USB adapter
  • DC 2.1 / 5.5 mm female to female USB adapter
  • Acrylic stand
  • Mounting screws M3 x 8 mm - 4 pcs.

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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