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1 Wire Pi Zero

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Please inform me as soon as the product is available again.
€14.35 *

Prices incl. VAT plus shipping costs

Delivery time 14 Workdays

  • AB Electronics
  • EXP-R72-015
  • 1WirePiZero
  • 0
  • UK
  • 85423190
  • 0.005
The 1 Wire Pi Zero from AB Electronics UK is a communication board supporting the 1-Wire... more

The 1 Wire Pi Zero from AB Electronics UK is a communication board supporting the 1-Wire protocol designed for use on the Raspberry Pi Zero.  A 5V buffered I2C port is also provided on the board. 

The 1-Wire port on the 1 Wire Pi Zero is based around a DS2482-100 I2C to 1-Wire bridge device.  The DS2482-100 provides bi-directional protocol conversion between the I2C port on the Raspberry Pi and any attached 1-Wire slave devices.  An ESD Protection Diode is used to protect the 1 Wire Pi Zero and Raspberry Pi from electrostatic spikes on the 1-Wire port.  Connections to the 1-Wire port can be made through the RJ-12 socket or the solder points on the PCB.  We have a knowledge base article for configuring and using the 1-Wire port on your Raspberry Pi.

The 1 Wire Pi Zero is powered through the host Raspberry Pi using the GPIO port and extended pins on the GPIO connector allow you to stack the 1 Wire Pi Zero along with other expansion boards.

A 5V input port is also provided allowing you to use an external power supply on the 1-Wire interface, reducing the load on the Raspberry Pi.  If you choose to use the external 5V input please remove the solder jumper on the board to isolate the Raspberry Pi 5V bus.



  • 1-Wire to I2C host interface with ESD protection diode.
  • Stackable with other Raspberry Pi accessory boards.
  • Buffered 5V I2C port.
  • External 5V power input for 1-Wire interface.
  • I2C address selection via solder jumpers.



  • Vdd (5V pin): 5.0V
  • Maximum current on 1-Wire pins: ±20 mA
  • I2C SDA/SCL voltage: 5.0 V
  • I2C port current: 100 mA
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