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 displaying a QR code on an OLED display
In this example we will display a QR code on an OLED display with an ESP8266, in this case a Wemos mini. This will...
ESP8266 RGB LED examples in Micropython
In this example we look at some WS2812B RGB LEDs example in Micropython for an ESP8266. Once again we use uPyCraft and again we...
Wemos and MAX44009 ambient light sensor example
The MAX44009 ambient light sensor features an I²C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and...
Wemos and LDR example
In this example we connect a photoresistor to an Arduino, the value read from the photoresistor corresponds to the amount of light present. The...
Wemos Mini and I2C LCD example
Sometimes a nice big LCD is useful for your projects, in this example we will interface to an I2C LCD using our ESP32. Now...
Goouuu-S1 ESP8266 RGB led examples
In a previous post we looked at the Goouuu-S1 ESP8266 , on the board you will have seen that there is an RGB led
The board uses...
ESP8266 and MLX90393 magnetic field sensor example
The MLX90393 magnetic field sensor can be reprogrammed to different modes and with different settings at run-time. The sensor offers a 16-bit output proportional...
Si1145 sensor and ESP8266 example
Another sensor reaches the desk, this time it is a Si1145 sensor, we will connect it to an ESP8266 and test it out
The Si1145/46/47...
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...
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...
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...
MAX30102 pulse and heart-rate monitor sensor and ESP8266
The MAX30102 is an integrated pulse oximetry and heart-rate monitor biosensor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient...
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...
ESP8266 and a BH1745NUC Luminance and Colour Sensor
In this article we look at a BH1745NUC Luminance and Colour Sensor and connect it to a Wemos Mini
First of all lets take a...
Wemos and 4051 LED example
The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages.
The HCF4051 analog multiplexer/demultiplexer...