Wemos and SHT11 example
The SHT1x digital humidity sensor is a reflow solderable sensor. The SHT1x series consists of a low-cost version with the SHT10 humidity sensor, a...
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...
Wemos and PCF8563 RTC example
The PCF8563 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector...
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...
PCA9685 LED controller and ESP8266 example
In this example we connect a PCA9685 LED controller to an ESP8266
The PCA9685 is an I²C-bus controlled 16-channel LED controller optimized for Red/Green/Blue/Amber (RGBA)...
Wemos and 4067 example
The 4067 was one of the IC's that I wanted to connect up to various microcontrollers as it looked extremely useful, here is a quick...
TMP175 digital temperature sensor and ESP8266 example
Another sensor or module to cross our path, this time we will look at the TMP175 digital temperature sensors
We will connect one of these up...
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...
Using a LTR-329 Ambient Light sensor with an ESP8266
In this article we look at an Ambient Light sensor, the LTR-329 and connect it to an ESP8266 board - a Wemos D1 Mini...
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...
Wemos mini DS18B20 temperature sensor example
The DS18B20 is a temperature sensor that can be used in various simple projects. This part uses the 1 wire (I2C) bus and you can...
VEML6040 color sensor and ESP8266
VEML6040 color sensor senses red, green, blue, and white light and incorporates photodiodes, amplifiers, and analog / digital circuits into a single chip using...
ESP8266 and BMA250 acceleration sensor example
The BMA250E is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 10 bit digital resolution,...
Some Neopixel examples
This example takes the Wemos Mini Ws2812B example a bit further on and use an 8 LED Neopixel strip
Here is an image of the strip we...
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...
ESP8266 and RFID-RC522 module example
In this example we will connect an RFID-RC522 module and connect to a Wemos Mini
The microcontroller and card reader uses SPI for communication ....