A look at various ESP specific APIs
Description
Some ESP-specific APIs related to deep sleep, RTC and flash memories are available in the ESP object. These may be useful, we have already...
CCS811 digital gas sensor and ESP8266 example
CCS811 is a low-power digital gas sensor solution, which integrates a gas sensor solution for detecting low levels of VOCs typically found indoors, with...
LTR390 UV Light Sensor and ESP8266 example using the Arduino IDE
In this article we look at a LTR390 UV Light Sensor and we will connect it to a Wemos Mini
First lets look at the...
Wemos and DHT Pro shield Micropython example
In this example we look at a DHT PRO example in Micropython for an ESP8266. Once again we use uPyCraft and again we use...
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...
Wemos and MCP3008 example
The Microchip MCP3008 ADC is a 10-bit Analog to Digital (A/D) converter with on-board sample and hold circuitry.
Communication with the device is accomplished using...
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...
ADS1115 analog-to-digital converter and ESP8266
The ADS1115 device is a precision, low-power, 16-bit, I2C-compatible, analog-to-digital converters (ADCs) offered in an ultra-small, leadless, X2QFN-10 package, and a VSSOP-10 package. The...
Wemos and Max6675 example
In this example we take a look at the MAX6675 Cold-Junction-Compensated K-Thermocouple-to-Digital Converter
The MAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple....
Wemos OLED shield example
In this example we look at another terrific little low cost shield for the Wemos mini, this time its the OLED shield. Lets look...
ESP8266 and HDC1080 humidity and temperature sensor
The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over...
PAJ7620 gesture sensor and ESP8266
The PAJ7620 integrates gesture recognition function with general I2C interface into a single chip forming an image analytic sensor system. It can recognize 9...
Wemos and L9110 Fan module example
In this example we connect an Arduino to a L9110 fan module.
The L9110 is anASIC device control and drive motor design two-channel push-pull power...
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...
Wemos and ML8511 example
The ML8511 measures the amount of ultra violet rayses contained in sunlight, and it is used for the equipment which displays the suntan by...
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...