The One Wire Bricklet can be used to communicate with any 1-wire capable device.
The API uses a set of high-level commands (bus search, reset, write, read, write command). Each command will give immediate status feedback for easy error detection.
Up to 64 devices can be connected to the bus and used at the same time.
A jumper can be used to switch between 3.3V, 5V or an external supply voltage for the connected 1-wire devices.
An example application would be to read the temperature of a MAX31820 1-wire ambient temperature sensor.
This Bricklet ist not galvanically isolated to the Tinkerforge system. This means that there is a direct electrical connection between the terminals of the Bricklet and the rest of the system. Dependent of the application this can lead to undesired connections, ground loops or short circuits. These problems can be prevented by using the Bricklet together with a Isolator Bricklet.
The One Wire Bricklet has a 7 pole Bricklet connector and is connected to a Brick with a 7p-10p Bricklet cable.
Property Value Current Consumption 35mW (7mA at 5V) Maximum Bus Size 64 Supported Voltage 3.3V, 5V and external supply Commands bus search, reset, write, read, write command Dimensions (W x D x H) 30 x 30 x 14mm (1.18 x 1.18 x 0.55") Weight 6.5g
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