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If you have a modern smart phone you may have noticed that it comes with built in wireless charging capability called 'Qi charging'. Qi is a trademark name for a thin and smart inductive charging system. Many large gadget companies have standardized on Qi, which means it's easy to find a charging dish and we thought it might be cool if your Arduino project can recharge itself wirelessly.

We've added a ton of Qi receivers but, until now, we haven't had a charging base.  No longer! This is a super simple Qi transmitter.  It will work with any standard Qi charger receivers - like the ones we carry here.  You just connect the board to a 5v power supply - either through a micro USB port - then put your device w/ Qi receive onto the base. If you want to 'share' the microUSB power connection, you can also connect direct to the USB-A port

Maximum output is around 5W which is good for most smart phones, basically 1000mA charge at 5V on the other side of the wireless connection.  It has a charging distance of 2-8mm, works with all our Qi charge receivers. You can only use one receiver per transmitter so if you want to charge two Qi devices at once, you'll need 2 transmitters.

You do need a Qi transmitter to go along with the receivers.

Technical Details

  • Input: 5V
  • Input Current: 2A
  • Maximum output power of 5W
  • Operating Frequency: 100-200Khz
  • Charging Distance: 2-8mm
  • Charging Plate Dimensions: 53mm x 53mm x 4mm / 2.1" x 2.1" x 0.2"
  • PCB Dimensions w/ Components: 55mm x 37mm x 6mm / 2.2" x 1.5mm x 0.2"
  • Weight: 47g

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Convenient wireless nightstand charging

Universal Qi Wireless Charging Transmitter - 5V/1A [2162]

  • Brand: Adafruit
  • Product Code: ADA-2162
  • Reward Points: 31
  • Availability: Out Of Stock
  • £38.30

  • Ex Tax: £31.91
  • Price in reward points: 400

Wireless Charging QI Module Kit - 5V/1A

Wireless Charging QI Module Kit - 5V/1A

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Universal Qi Wireless Receiver Module - 5V/0.5A [1901]

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This is just the inductive charging Qi receiver. It will work with any Qi charger base transmitter ...

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Qi Wireless Charger Transmitter - 5V/1A

Qi Wireless Charger Transmitter - 5V/1A

£24.61

This module is designed for 5V Qi Wireless Charge Transmitter, which is based on BQ500211, a second ...

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Smart Wireless Charger Transmitter - 5V/1.5A

Smart Wireless Charger Transmitter - 5V/1.5A

£34.92

This wireless charger transmitter is a high power wireless charger.

Qty: 2

Qi Wireless Charging Module - 20mm - Lightning Connector [2677]

Qi Wireless Charging Module - 20mm - Lightning Connector [2677]

£30.29

Many large gadget companies have standardized on Qi, which means it's easy to find a charging dish.

Qty: 3

Tiny Wireless Charger Receiver (Qi Compatible)

Tiny Wireless Charger Receiver (Qi Compatible)

£1,198.80

BIWIN wireless charger Receiver.

Discontinued