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,...

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...

Wemos webserver example

In this example we will create a basic webserver example using our Wemos, it will connect to your Wifi network and then you will...

APDS-9930 ambient light and proximity sensor example

The APDS-9930 provides digital ambient light sensing (ALS), IR LED and a complete proximity detection system in a single 8 pin package. The proximity...

ESP8266 and CJMCU-1010 capacitive touch module example

In this example we look at the CJMCU-1010 module - this is based on the AT42QT101x The AT42QT101x Single Key capacitive touch controller family provides an easy...

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...

3 channel tracking sensor example

This Tracking Sensor for Arduino can detect the white lines in black and black lines in white. This particular module has 3 sensors Using infrared...

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...

ESP8266 and SHT21 humidity and temperature sensor example

SHT21, the new humidity and temperature sensor of Sensirion is about to set new standards in terms of size and intelligence: Embedded in a...

ESP8266 and Ambient light Shield example

This was another new shield for the Wemos called the Ambient light Shield , this time its based around the BH1750FVI digital Ambient Light Sensor Lets...

Wemos and DHT Pro shield Micropython example

In this example we look at a DHT PRO example in Micropython for an ESP8266. Once again we use uPyCraft and again we use...

Wemos buzzer shield example

In this example we look at another Wemos mini shield, this time its the buzzer_shield which as its name suggests is a basic buzzer....

ESP8266 and HDC1080 humidity and temperature sensor

The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over...
ESP8266 and PCT2075 layout

PCT2075 temperature-to-digital converter and ESP8266 example using the Arduino IDE

In this article we look at a PCT2075 temperature-to-digital converter and we will connect it to a Wemos Mini First lets look at the sensor The...
ESP8266 and L3G4200D layout

L3G4200D three-axis gyroscope and ESP8266 example

In this example we connect a L3G4200D three-axis gyroscope module to a Wemos Mini - you can of course use any ESP8266 based board...

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...