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...
VEML6075 ultraviolet (UV) light sensor and ESP266
The VEML6075 senses UVA and UVB light and incorporates photodiode, amplifiers, and analog / digital circuits into a single chip using a CMOS process....
Wemos Mini and LIS3MDL magnetic field sensor example
In this article we look at another sensor - this time its the LIS3MDL which is a 3-axis MEMS magnetic field sensor, digital output,...
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...
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...
Using a STTS22H temperature sensor with an ESP8266
In this article we look at a temperature sensor, the STTS22H sensor from ST and connect it to an ESP8266 board
Sensor Information
The STTS22H is...
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...
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...
TSL2561 Luminosity Sensor example
The TSL2560 and TSL2561 are second-generation ambient light sensor devices. Each contains two integrating analog-to-digital converters (ADC) that integrate currents from two photodiodes. Integration...
Wemos and DS3231 RTC example
The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal.
The device incorporates a battery...
Wemos Mini DH11 shield example
I like the Wemos Mini and when I saw that there were some shields I decided to purchase some of them, in this first...
Sampling analog data
Sampling sata is particularly useful for analog sensors such as an LDR or a thermistor. Another good example is one of the MQ gas...
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...
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....
Using a 74HC595 shift register with the Wemos
Sometimes in your projects you simply do not have enough I/O lines available, take for example a lot of the multiple LED examples, these...
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...