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...

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...

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...

ESP8266 and LM75 temperature sensor example

The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...

Using a LTR-303 Ambient Light sensor with an ESP8266

In this article we look at an Ambient Light sensor, the LTR-303 and connect it to an ESP8266 board - a Wemos D1 Mini...

ESP8266 and LCD4884 example

This LCD4884  provides a 84x48 display this LCD shield can help meet your needs. It is able to display in English, Chinese and even images, it...

ESP8266 and SHt30 shield example

This time we look at the SHT30 shield from Wemos. Now there are other versions of this board as well, this is the official...

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...

Wemos Mini and a TTP223 Capacitive Touch Sensor

In this example we will connect a TTP223 Capacitive Touch Sensor to our Wemos Mini. The TTP223 is a touch pad detector IC which offers 1...

BH1750FVI Ambient Light Sensor example

The BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light...

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...

Control a Wemos using an application on your PC

In this example we will control an RGB led connected to our Wemos Mini from an application running on our PC. In this example...

Wemos OLED shield example

In this example we look at another terrific little low cost shield for the Wemos mini, this time its the OLED shield. Lets look...

Wemos and LDR example

In this example we connect a photoresistor to an Arduino, the value read from the photoresistor corresponds to the amount of light present. The...

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...

WS2812B RGB SHIELD for WeMos D1 mini examples

In this example we look at a new wemos shield (for us anyway), this is called the RGB shield and as you might expect...