LTR390 UV Light Sensor and ESP8266 example using the Arduino IDE
In this article we look at a LTR390 UV Light Sensor and we will connect it to a Wemos Mini
First lets look at the...
Wemos Mini and L3GD20 sensor
The L3GD20 is a low-power three-axis angular rate sensor. This is the module I bought for reference
More information can be found at http://www.st.com/content/st_com/en/products/mems-and-sensors/gyroscopes/l3gd20.html about the...
ESP8266 and HMC5983 magnetometer example
The Honeywell HMC5983 is a temperature compensated three-axis integrated circuit magnetometer. This surface-mount, multi-chip module is designed for low-field magnetic sensing for applications such...
DHT12 humidity temperature sensor and ESP8266 example
The DHt12 is an upgraded version of the classic DHT11 humidity temperature sensor, it is fully downward compatible, more precise and adds an I2C...
ESP8266 and Si7021 temperature sensor example
The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, ...
A look at various ESP specific APIs
Description
Some ESP-specific APIs related to deep sleep, RTC and flash memories are available in the ESP object. These may be useful, we have already...
Using a KX132 or KX134 Triple Axis Accelerometer with an ESP8266
In this article we look at 2 very similar Triple-axis Magnetometer that I recently purchased, the KX132 and KX134 Triple Axis Accelerometers, we 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...
ESP8266 and MS5611 barometric pressure sensor example
In this example we look at the MS5611 barometric pressure sensor
This barometric pressure sensor is optimized for altimeters and variometers with an altitude resolution of...
RPI-1031 tilt sensor and Wemos Mini example
In this article we look at a tilt sensor - this time its the RPI-1031 and we will connect it to a Wemos
The RPI-1031...
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...
MPL3115A2 pressure sensor and ESP8266
The MPL3115A2 is a compact, piezoresistive, absolute pressure sensor with an I2C digital interface. MPL3115A2 has a wide operating range of 20 kPa to...
DHT11 sensor data to Thingspeak using a Wemos D1
In this example we will connect a DHT11 sensor to our Wemos D1, we will then send the temperature and humidity values to thingspeak.
DHT11...
ESP8266 and MPU6500 6-axis Motion Tracking device
The MPU-6500 is the company’s second-generation 6-axis Motion Tracking device for smartphones, tablets, wearable sensors, and other consumer markets.
The MPU-6500, delivered in a 3...
SHTC1 digital humidity sensor and ESP8266 example
In this article we look at another digital humidity sensor - this time its the SHTC1 and we will connect it to a Wemos...
VCNL4040 Proximity Sensor and ESP8266 example using the Arduino IDE
In this article we look at a VCNL4040 Proximity Sensor and we will connect it to a Wemos Mini
First lets look at the sensor
The...