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06_i2c_tcn75¶
Read temperature from a TCN75 (or LM75) I2C thermometer. I2C address: 1 0 0 1 A2 A2 A0
Hardware requirements:¶
- FRDM-KL25Z board
- TCN75 (or LM75) thermometer
Wiring scheme:¶
| TCN75 | FRDM-25KLZ |
|---|---|
| 1. SDA | D14 (PTE0) |
| 2. SCL | D15 (PTE1) |
| 3. ALERT | (not used) |
| 4. GND | GND |
| 5. A2 | GND |
| 6. A1 | GND |
| 7. A0 | GND |
| 8. VCC | 3V3 |
Note: Pins SDA, SCL and Alert must be pulled up by external resistors.
