ESP8266 and MCP23017 example
The is a 16-bit, general purpose parallel I/O port expander for I2C bus applications.
The 16-bit I/O port functionally consists of two 8-bit ports (PORTA...
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...
MLX90614 infrared thermometer example
The MLX90614 is a non-contact infrared thermometer with a measurement range from -70 to +380 degree Celsius. Just connect the four leads to your...
Wemos mini and US-026 Ultrasonic Detector example
In this article we look an ultrasonic module that works well with a Wemos Mini in that it will work with 3.3v.
The US-026 is...
Wemos LSM303 example
The LSM303 3D Accelerometers/Magnetometer Models are a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. These best-in-class eCompass devices...
Wemos HMC5883L example
The Honeywell HMC5883L is a surface-mount, multi-chip module designed for low-field magnetic sensing with a digital interface for applications such as lowcost compassing and...
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...
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...
Wemos and ADS1015 example
The ADS1015 is a precision analog-to-digital converters (ADCs) with 12 bits of resolution offered in an ultra-small, leadless QFN-10 package or an MSOP-10 package. The...
ESP8266 and CJMCU-1010 capacitive touch module example
In this example we look at the CJMCU-1010 module - this is based on the AT42QT101x
The AT42QT101x Single Key capacitive touch controller family provides an easy...
Wemos and SHT31
SHT31 is the next generation of Sensirion’s temperature and humidity sensors. It builds on a new CMOSens® sensor chip that is at the heart of...
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...
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,...
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...
VEML6075 ultraviolet (UV) light sensor and ESP266
The VEML6075 senses UVA and UVB light and incorporates photodiode, amplifiers, and analog / digital circuits into a single chip using a CMOS process....
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...