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TMP36 - Analog Temperature sensor [TMP36]
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The TMP36 is a low-power analog temperature sensor that outputs a voltage proportional to ambient temperature. It operates on 2.7–5.5V and requires no extern...
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The TMP36 is a low-power analog temperature sensor that outputs a voltage proportional to ambient temperature. It operates on 2.7–5.5V and requires no external calibration — simply read the analog voltage and convert to temperature.
Key Features
- Analog Voltage Output – Proportional to temperature (10 mV/°C)
- Wide Temperature Range – −50 °C to +125 °C
- Low Power – 2.7–5.5V supply voltage
- No Calibration Required – Factory-calibrated output
- Simple 3-Pin Package – TO-92 (power, output, ground)
Wiring
- Pin 1 (left) – Power (2.7–5.5V)
- Pin 2 (centre) – Analog output (connect to ADC input)
- Pin 3 (right) – Ground
Temperature Conversion
Output is 0V at −50 °C and 1.75V at 125 °C. Formula: Temp °C = 100 × (voltage in V) − 50
Ideal For
- Arduino and microcontroller temperature monitoring
- Weather stations and environmental sensing
- Thermostat and HVAC projects
- Beginner electronics projects
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- ADC
- An analogue-to-digital converter reads a changing voltage and turns it into a number the microcontroller can use. It matters when connecting analogue sensors such as light, sound, or variable-resistor sensors.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
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