Wemos and SHT11 example

The SHT1x digital humidity sensor is a reflow solderable sensor. The SHT1x series consists of a low-cost version with the SHT10 humidity sensor, a...

ESP8266 and MLX90393 magnetic field sensor example

The MLX90393 magnetic field sensor can be reprogrammed to different modes and with different settings at run-time. The sensor offers a 16-bit output proportional...

Wemos Mini and LPS25H piezoresistive pressure sensor example

In this article we look at a pressure sensor - this time its the LPS25H and we will connect it to a Wemos Mini The...

ESP8266 displaying a QR code on an OLED display

In this example we will display a QR code on an OLED display with an ESP8266, in this case a Wemos mini. This will...

Wemos Mini and HC-SR04 ultrasonic sensor

The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. Ultrasonic ranging module HC-SR04 provides 2cm - 400cm...

Using a LTR-329 Ambient Light sensor with an ESP8266

In this article we look at an Ambient Light sensor, the LTR-329 and connect it to an ESP8266 board - a Wemos D1 Mini...

Wemos and DS3231 RTC example

The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery...

The Wemos IR controller shield

In this small article we take a look at the IR controller shield, this is a shield which can act as an IR receiver...

BME680 environment sensor and ESP8266 example

In this article we will connect a BME680 sensor to an ESP8266 - as usual we will use a Wemos Mini BME680 is an integrated...

ESP8266 and BMI160 sensor example

The BMI160 is a small, low power, low noise 16-bit inertial measurement unit designed for use in mobile applications like augmented reality or indoor...

Using a STTS22H temperature sensor with an ESP8266

In this article we look at a temperature sensor, the STTS22H sensor from ST and connect it to an ESP8266 board Sensor Information The STTS22H is...

ESP8266 and TCS34725 Color Sensor

The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR blocking filter, integrated on-chip and...

Using a BMP384 pressure sensor with an ESP8266

In this article we look at a temperature and pressure sensor, the BMP384 pressure sensor from Bosch Sensortec, and connect it to an ESP8266...

MCP4725 Digital-to-Analog Converter example

MCP4725 is a single channel, 12-bit, voltage output Digital-to-Analog Converter with integrated EEPROM and an I2C Compatible Serial Interface. Again the easiest way to interface...

Wemos and LM35 temperature sensor

In this example we will connect an LM35 temperature sensor to our Arduino The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is...

Wemos and Barometric Pressure Shield example

In this article we look at a relatively new shield for the Wemos/Lolin products - this is a Barometric Pressure shield based on a HP303B. Here...