SHT20 temperature and humidity sensor and ESP8266
The SHT2x series consists of a low-cost version with the SHT20 humidity sensor. the SHT2x provides calibrated, linearized sensor signals in digital, I2C format....
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...
Wemos Mini Ws2812B example
In this example we connect a Wemos Ws2812B RGB shield to a Wemos mini, we will then loop through red, green and blue colors
The...
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...
CCS811 digital gas sensor and ESP8266 example
CCS811 is a low-power digital gas sensor solution, which integrates a gas sensor solution for detecting low levels of VOCs typically found indoors, with...
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...
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...
Wemos Mini and a PCF8574
The PCF8574 is an 8 bits I/O port expander that uses the I2C protocol. Using this IC, you can use only the SDA and...
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,...
ESP8266 and GY-21P module example
This module combines a BMP280 sensor and an SI7021 sensor. The on-board BMP280+SI7021 sensor measures atmospheric pressure from 30kPa to 110kPa as well as...
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...
OPT3001 Digital Ambient Light Sensor and ESP8266 example
In this example we will connect an OPT3001 to a Wemos, this sensor measures light intensity - so you can easily create a lux...
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...
VCNL4040 Proximity Sensor and ESP8266 example using the Arduino IDE
In this article we look at a VCNL4040 Proximity Sensor and we will connect it to a Wemos Mini
First lets look at the sensor
The...
AM2320 temperature and humidity sensor and ESP8266 example
Temperature and humidity combined sensor AM2320 digital temperature and humidity sensor is a digital signal output has been calibrated. Using special temperature and humidity...
A quick look at the Wemos TFT 2.4 Touch Shield
This is a 2.4 inch TFT shield for a Wemos, its a large shield thats more than twice the size of a D1 mini...