THERMO 2 click carries DS1825, a programmable resolution digital thermometer IC with a unique 64-bit address. The click is designed to run on a 3.3V power supply. The board communicates with the target microcontroller through a 1-wire interface. Using the onboard jumper you can select between two outputs: GP1 (default mikroBUS™ AN pin), and GPO (default PWM pin).
The sensor aboard THERMO 2 click measures temperature within a range from –10°C to 85°C with ±0.5°C accuracy.
You can specify the resolution of the measurements, from 9 to 12-bit, depending on the application. Because each DS1825 has a unique 64-bit serial code, many of them can function on the same 1-wire bus.
The 4-bit location address lets you set up a unique ID for up to 16 sensors that operate on a single 1-Wire bus.
The board features a set of four onboard jumpers (zero ohm resistors) for specifying a unique address for the sensor.
A separate jumper lets you select the sensor’s output between GP1 and GP0 pins.
THERMO 2 click also features four Address Select jumpers for setting a unique ID for the sensor (allowing for up to 16 sensors to operate on a single 1-Wire bus).
|Applications||HVAC systems, weather stations… especially suitable for connecting multiple sensors to a single MCU|
|On-board modules||DS1825 digital thermometer IC|
|Key Features||1-Wire interface. Sensitivity: -10°C to 85°C with ±0.5°C accuracy. User selectable 9 to 12-bit measurement resolution|
|Key Benefits||Four onboard jumpers for specifying sensor ID|
|Click board size||S (28.6 x 25.4 mm)|
This table shows how the pinout on THERMO click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
|Data Input/Output pin||GPIO1||1||AN||PWM||16||GPIO0||Data Input/Output pin|
|Not connected||NC||2||RST||INT||15||NC||Not connected|
|Not connected||NC||3||CS||TX||14||NC||Not connected|
|Not connected||NC||4||SCK||RX||13||NC||Not connected|
|Not connected||NC||5||MISO||SCL||12||NC||Not connected|
|Not connected||NC||6||MOSI||SDA||11||NC||Not connected|
|Power supply||+3.3V||7||3.3V||5V||10||NC||Not connected|
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