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PCA9685 LED controller and ESP8266 example

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TMP102 digital sensor and ESP8266 example

In this article we look at the TMP102 digital sensor and we will connect it up to an ESP8266

The TMP102 device is a digital temperature sensor ideal for NTC/PTC thermistor replacement where high accuracy is required. The device offers an accuracy of ±0.5°C without requiring calibration or external component signal conditioning. Device temperature sensors […]

Si1145 sensor and ESP8266 example

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PCF8575 I/O expander and ESP8266 examples

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 5.5-V VCC operation.

The PCF8575 device provides general-purpose remote I/O expansion for most microcontroller families by way of the I2C interface [serial clock (SCL), serial data (SDA)].

The device features a 16-bit quasi-bidirectional input/output (I/O) port (P07–P00, P17–P10), including […]