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...
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...
Wemos Mini and LPS25H piezoresistive pressure sensor example
In this article we look at a pressure sensor - this time its the LPS25H and we will connect it to a Wemos Mini
The...
ESP8266 and RFID-RC522 module example
In this example we will connect an RFID-RC522 module and connect to a Wemos Mini
The microcontroller and card reader uses SPI for communication ....
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 MAG3110 magnetometer
Freescale’s MAG3110 is a small, low-power, digital 3-axis magnetometer. The device can be used in conjunction with a 3-axis accelerometer to realize an orientation...
Using a KX132 or KX134 Triple Axis Accelerometer with an ESP8266
In this article we look at 2 very similar Triple-axis Magnetometer that I recently purchased, the KX132 and KX134 Triple Axis Accelerometers, we will...
SHT20 temperature and humidity sensor and ESP8266
The SHT2x series consists of a low-cost version with the SHT20 humidity sensor. the SHT2x provides calibrated, linearized sensor signals in digital, I2C format....
ESp8266 and force sensitive resistor example
A force-sensing resistor is a material whose resistance changes when a force or pressure is applied.
Force-sensing resistors consist of a conductive polymer, which changes...
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...
ESP8266 and MPU6500 6-axis Motion Tracking device
The MPU-6500 is the company’s second-generation 6-axis Motion Tracking device for smartphones, tablets, wearable sensors, and other consumer markets.
The MPU-6500, delivered in a 3...
ESP8266 displaying a QR code on an OLED display
In this example we will display a QR code on an OLED display with an ESP8266, in this case a Wemos mini. This will...
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 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...
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...
Using a 74HC595 shift register with the Wemos
Sometimes in your projects you simply do not have enough I/O lines available, take for example a lot of the multiple LED examples, these...