ESP8266 and TCS34725 Color Sensor

The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR blocking filter, integrated on-chip and...

ESP8266 and GY-21P module example

This module  combines a BMP280 sensor and an SI7021 sensor. The on-board BMP280+SI7021 sensor measures atmospheric pressure from 30kPa to 110kPa as well as...

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...

Max7219 8×8 LED matrix example

The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph...

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 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...

Wemos Infrared receiver example

In this example we look at how to connect an IR Reciever. Generally, they require Vcc(5v) but I found this to work well with 3v3, GND...

Wemos and ADS1015 example

The ADS1015 is a precision analog-to-digital converters (ADCs) with 12 bits of resolution offered in an ultra-small, leadless QFN-10 package or an MSOP-10 package. The...

Wemos and TMP36 example

The TMP35, TMP36, and TMP37 are low voltage, precision centigrade temperature sensors. They provide a voltage output that is linearly proportional to the Celsius...
esp8266 and bmm150

ESP8266 and BMM150 digital geomagnetic sensor example

In this article we look at a digital geomagnetic sensor - this time its the BMM150 and as usual we will connect this to...

Wemos RGB led example

In this example we will connect an RGB led to our Wemos MIni, lets look at RGB leds first RGB LEDs consist of one red,...

ESP8266 and PIR example in Micropython

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

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...
ESP8266 and AHT20 layout

AHT20 Temperature & Humidity Sensor and ESP8266 example using the Arduino IDE

In this article we look at a AHT20 Temperature & Humidity Sensor and we will connect it to a Wemos Mini First lets look at...

ESP8266 Micropython I2C Scanner

This is a simple very short code example in which we show how to create a basic I2CScanner in Micropython using the uPyCraft IDE...

Wemos 1.44“ inch TFT LCD shield examples

In this example we look at the 1.44“ inch TFT LCD shield from Wemos. It can display 128×128 resolution and 18-bit color The TFT is...