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The sensor is the Measurement Specialties TSYS01, which is accurate to ±0.1°C and communicates over I2C. It operates on 3.3V I2C voltage but can accept power input up to 5.5V. It includes four solder pads for ground, 3.3V-5.5V power, and 3.3V I2C lines.
The TSYS01 sensor itself has a fast time response and we designed the whole package to maintain that speed.
The electrical schematic and board layout are open-source and the design files are available in the Technical Details tab. Feel free to adapt for your own needs.
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Parameter |
Value |
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Electrical |
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Supply Voltage |
3.3 to 5.5 volts |
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I2C Logic Voltage (SDA and SCL) |
3.3 volts |
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Peak Current |
1.4 mA |
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Temperature |
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Operating Temperature |
-40 to +125°C |
-40 to 257°F |
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Storage Temperature |
-55 to +150°C |
-67 to 302°F |
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Absolute Accuracy |
+/- 0.1°C (when used between -5 to 50°C) |
+/- 0.18°F |
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+/- 0.5°C (when used between -40 to 125°C) |
+/- 0.9°F |
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Documents
TSYS01 Datasheet (PDF)
Celsius Temperature Sensor Schematic (PDF)
