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,...
ESP8266 Micropython I2C Scanner
This is a simple very short code example in which we show how to create a basic I2CScanner in Micropython using the uPyCraft IDE...
L3G4200D three-axis gyroscope and ESP8266 example
In this example we connect a L3G4200D three-axis gyroscope module to a Wemos Mini - you can of course use any ESP8266 based board...
Using a BMP384 pressure sensor with an ESP8266
In this article we look at a temperature and pressure sensor, the BMP384 pressure sensor from Bosch Sensortec, and connect it to an ESP8266...
TMP102 digital sensor and ESP8266 example
In this article we look at the TMP102 digital sensor and we will connect it up to an ESP8266
The TMP102 device is a digital...
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 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...
TM1637 7 segment display example
A common display module that you can buy on the internet contain the Tm1638 driver chip, I was interested in this one which is the...
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...
ESP8266 and BMP280 sensor example
BMP280 is an absolute barometric pressure sensor especially designed for mobile applications. The sensor module is housed in an extremely compact package. Its small...
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,...
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...
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 Si7021 temperature sensor example
The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, ...
DPS310 barometric pressure sensor and ESP8266 example using the Arduino IDE
In this article we look at a DPS310 barometric pressure sensor and we will connect it to a Wemos Mini
First lets look at the...
Using a LTR-303 Ambient Light sensor with an ESP8266
In this article we look at an Ambient Light sensor, the LTR-303 and connect it to an ESP8266 board - a Wemos D1 Mini...