Wemos and MAG3110 magnetometer

Freescale’s MAG3110 is a small, low-power, digital 3-axis magnetometer. The device can be used in conjunction with a 3-axis accelerometer to realize an orientation...

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...

Wemos and LX1972 light sensor example

The LX1972 is a low cost silicon light sensor with spectral response that closely emulates the human eye. Patented circuitry produces peak spectral response...

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 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 MCP9808 digital temperature sensor example

ESP8266 and MCP9808 digital temperature sensor example The MCP9808 digital temperature sensor converts temperatures between -20°C and +100°C to a digital word with ±0.5°C (max.)...

DHT11 sensor data to Thingspeak using a Wemos D1

In this example we will connect a DHT11 sensor to our Wemos D1, we will then send the temperature and humidity values to thingspeak. DHT11...
ESP8266 and TSL2591 layout

TSL2591 light-to-digital converter and ESP8266 example

In this article we look at another light-to-digital converter - this time its the TSL2591 and we will connect it to a Wemos Mini First...
ESP8266 and TLV493D layout

TLV493D magnetic sensor and ESP8266 example using the Arduino IDE

In this article we look at a TLV493D magnetic sensor and we will connect it to a Wemos Mini First lets look at the sensor The...

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...

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...

Interfacing an AD keypad module to your Wemos

I purchased this module as part of a microcontroller kit, its an interesting little module as it has 16 buttons but with only 1 I/O...

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...

ESP8266 and DS18B20 sensor and MIcropython example

In this example we look at a DS18b20 example in Micropython for an ESP8266. Once again we use uPyCraft and again we use Wemos...

BME680 environment sensor and ESP8266 example

In this article we will connect a BME680 sensor to an ESP8266 - as usual we will use a Wemos Mini BME680 is an integrated...

ESP8266 and DS1624 sensor example

The DS1624 consists of two separate functional units: a 256-byte nonvolatile E2 memory and a direct-to-digital temperature sensor. The nonvolatile memory is made up of...