ESP8266 and L9110 fan module example
In this example we connect an ESp8266 to a dual L9110 fan module. This is a commonly found, basic low cost module which consists...
VEML6070 ultraviolet light sensor and ESP8266
In this example we look at an VEML6070 UV sensor and connect it to an Arduino UNO
VEML6070 is an advanced ultraviolet (UV) light sensor...
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...
Wemos Mini and DHT Pro example
In this example we connect the DHT22 Single Bus Digital Temperature Humidity Sensor (DHT Pro shield) to our Wemos Mini , you can see this...
A basic NodeMCU and Simba OS example
Ok, I had heard of Simba OS but hadn't managed to try it, as quoted "2Simba is an RTOS and build framework. It aims...
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...
MQ3 Gas Sensor example
The MQ3 Gas Sensor module is useful for gas leakage detection (in home and industry). It is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG,...
Wemos Mini and HDC2080 humidity and temperature sensor example
In this article we look at yet another humidity and temperature sensor from TI - this time its the HDC2080 which we will connect...
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...
Connecting a basic Touch sensor
This example shows how to interface a basic touch sensor to our Wemos Mini (esp8266), this sensor came as part of a kit of...
Wemos HDC1008 sensor example
The HDC1000 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The device measures humidity...
I2C Scanner
This is a basic example which will display via the serial monitor the address of any devices connected to your Wemos.
Its the same as...
Wemos and basic TEA5767 example
The TEA5767HN is a single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and demodulation. The radio...
ESP8266 and BMP388 barometric pressure sensor
In this article we look at another sensor - it is a BMP388 by Bosch Sensortec, so lets crack on and try this out...
Wemos Mini ADXL345 example
The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is formatted...
A look at SHA-1 and ESP8266
Description
In cryptography, SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known...