Max7219 8×8 LED matrix example

The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph...

Wemos webserver example

In this example we will create a basic webserver example using our Wemos, it will connect to your Wifi network and then you will...

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...

MLX90615 infrared thermometer and ESP8266 example

The MLX90615 is a miniature infrared thermometer for non-contact temperature measurements. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are...

Wemos mini and OLED shield bitcoin ticker

In this example we will display the price in USD of 1 bitcoin, the data is taken from coindesk's API and displayed on an...

Wemos and MMA7455L example

The MMA7455L is a Digital Output (I2C/SPI), low power, low profile capacitive micromachined accelerometer featuring signal conditioning, a low pass filter, temperature compensation, self-test,...

Wemos and SHT11 example

The SHT1x digital humidity sensor is a reflow solderable sensor. The SHT1x series consists of a low-cost version with the SHT10 humidity sensor, a...

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...

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...

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...
esp8266 and bmm150

ESP8266 and BMM150 digital geomagnetic sensor example

In this article we look at a digital geomagnetic sensor - this time its the BMM150 and as usual we will connect this to...

TMP175 digital temperature sensor and ESP8266 example

Another sensor or module to cross our path, this time we will look at the TMP175 digital temperature sensors We will connect one of these up...

Wemos Mini and a TTP223 Capacitive Touch Sensor

In this example we will connect a TTP223 Capacitive Touch Sensor to our Wemos Mini. The TTP223 is a touch pad detector IC which offers 1...

SHTC1 digital humidity sensor and ESP8266 example

In this article we look at another digital humidity sensor - this time its the SHTC1 and we will connect it to a Wemos...

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...

ESP8266 and SHt30 shield example

This time we look at the SHT30 shield from Wemos. Now there are other versions of this board as well, this is the official...