ESP8266 and DS18b20 sensor readings displayed on a web server
In this example we will connect a Wemos compatible DS18B20 shield to a Wemos Mini and display a page on a web server. This...
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....
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...
A basic NodeMCU and Simba OS example
Ok, I had heard of Simba OS but hadn't managed to try it, as quoted "2Simba is an RTOS and build framework. It aims...
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 MMA8451 accelerometer
The MMA8451 is a low-power accelerometer with 14 bits of resolution, with the following features:
Embedded functions with flexible user-programmable options, configurable to two interrupt...
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,...
Wemos and PCF8591 example
The PCF8591 is a monolithically integrated, and a separate power supply, low-power, 8-bit CMOS data acquisition devices. The PCF8591 has the four analog inputs,...
Wemos and L9110 Fan module example
In this example we connect an Arduino to a L9110 fan module.
The L9110 is anASIC device control and drive motor design two-channel push-pull power...
Wemos and LM35 temperature sensor
In this example we will connect an LM35 temperature sensor to our Arduino
The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is...
Wemos Mini and PIR sensor example
In this example we connect a PIR module to a Wemos Mini. A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared...
ESP8266 and OLED Micropython example
In this example we show an example written in Micropython using the uPycraft IDE. This time we will be trying out the Wemos OLED...
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 HMC5883L example
The Honeywell HMC5883L is a surface-mount, multi-chip module designed for low-field magnetic sensing with a digital interface for applications such as lowcost compassing and...
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 BMA400 acceleration sensor example
In this article we look at another acceleration sensor - this time its the BMA400
Lets take a look at the sensor and its features
Description
The...