Goouuu-S1 ESP8266 RGB led examples

In a previous post we looked at the Goouuu-S1 ESP8266 , on the board you will have seen that there is an RGB led The board uses...

Wemos and 4051 LED example

The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages. The HCF4051 analog multiplexer/demultiplexer...

Wemos and dust sensor example

Sharp's GP2Y1010AU0F is an optical air quality sensor it is designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally...

DPS310 barometric pressure sensor and ESP8266 example using the Arduino IDE

In this article we look at a DPS310 barometric pressure sensor and we will connect it to a Wemos Mini First lets look at the...

Wemos Mini Ws2812B example

In this example we connect a Wemos Ws2812B RGB shield to a Wemos mini, we will then loop through red, green and blue colors   The...

ESP8266 SHT30 shield I2C code example

This example uses the same Wemos SHt30 shield or one of the variants on the internet but tis time we don't use a library,...
ESP8266 and VEML7700 layout

VEML7700 lux sensor and ESP8266 example using the Arduino IDE

In this article we look at a ambient light digital 16-bit resolution sensor - this time its an VEML7700. As per usual we will...

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...

Wemos and MMA7455L example

The MMA7455L is a Digital Output (I2C/SPI), low power, low profile capacitive micromachined accelerometer featuring signal conditioning, a low pass filter, temperature compensation, self-test,...
ESP8266 and LTR390 layout

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...
ESP8266 and SHT40 layout

SHT40 Temperature & Humidity Sensor and ESP8266 example using the Arduino IDE

In this article we look at a SHT40 Temperature & Humidity Sensor and we will connect it to a Wemos Mini First lets look at...

ADS1115 analog-to-digital converter and ESP8266

The ADS1115 device is a precision, low-power, 16-bit, I2C-compatible, analog-to-digital converters (ADCs) offered in an ultra-small, leadless, X2QFN-10 package, and a VSSOP-10 package. 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 BMA250 acceleration sensor example

The BMA250E is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 10 bit digital resolution,...

ESP8266 and Si7021 temperature sensor example

The  Si7021  I2C Humidity  and  Temperature  Sensor  is  a  monolithic  CMOS  IC integrating   humidity   and   temperature   sensor   elements,  ...

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...