Sampling analog data

Sampling sata is particularly useful for analog sensors such as an LDR or a thermistor. Another good example is one of the MQ gas...

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 VCNL4010 layout

VCNL4010 light sensor and ESP8266 example using the Arduino IDE

In this article we look at another acceleration sensor - this time its the VCNL4010 and we will connect it to a Wemos Mini First...

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 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 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 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...

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...

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 TSL2591 layout

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 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...

BME680 environment sensor and ESP8266 example

In this article we will connect a BME680 sensor to an ESP8266 - as usual we will use a Wemos Mini BME680 is an integrated...

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 VEML7700 layout

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...

MQ3 Gas Sensor example

The MQ3 Gas Sensor module is useful for gas leakage detection (in home and industry). It is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG,...

Wemos and TMP36 example

The TMP35, TMP36, and TMP37 are low voltage, precision centigrade temperature sensors. They provide a voltage output that is linearly proportional to the Celsius...