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...
ESP8266 and BMP388 barometric pressure sensor
In this article we look at another sensor - it is a BMP388 by Bosch Sensortec, so lets crack on and try this out...
Wemos 1.44“ inch TFT LCD shield examples
In this example we look at the 1.44“ inch TFT LCD shield from Wemos. It can display 128×128 resolution and 18-bit color
The TFT is...
Wemos Mini and HDC2080 humidity and temperature sensor example
In this article we look at yet another humidity and temperature sensor from TI - this time its the HDC2080 which we will connect...
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...
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...
Wemos mini bmp180 sensor example
This bmp180 from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. The sensor is soldered onto a PCB with...
Wemos and TEMT6000 light sensor
TEMT6000X01 ambient light sensor is a silicon NPN epitaxial planar phototransistor in a miniature transparent 1206 package for surface mounting. It is sensitive to...
ESP8266 SHT30 shield I2C code example
This example uses the same Wemos SHt30 shield or one of the variants on the internet but tis time we don't use a library,...
PCF8575 I/O expander and ESP8266 examples
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 5.5-V VCC operation.
The PCF8575 device provides general-purpose remote I/O...
The Wemos PIR shield
A new wemos shield and this time its based on a passive infrared sensor
An overview of a PIR
A passive infrared sensor (PIR sensor) is...
Using a MMC5603 Triple-axis Magnetometer sensor with an ESP8266
In this article we look at a Triple-axis Magnetometer, the MMC5603 and connect it to an ESP8266 board - a Wemos D1 Mini pro...
ESP8266 and Stepper motor example
In this example we will show a basic stepper motor example, we use a driver board that can be bought on many sites which...
RPI-1031 tilt sensor and Wemos Mini example
In this article we look at a tilt sensor - this time its the RPI-1031 and we will connect it to a Wemos
The RPI-1031...
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...
DHT11 sensor data to Thingspeak using a Wemos D1
In this example we will connect a DHT11 sensor to our Wemos D1, we will then send the temperature and humidity values to thingspeak.
DHT11...