ESP32 and GY-21P data to Thingspeak example
In this example we connect a GY-21P sensor to an ESP32 and then we will upload the data to Thingspeak
The GY-21P combines a BMP280...
ESP32 and GY-21P readings on a web page
In this example we connect a GY-21P sensor to an ESP32 and then we will display the readings on a webpage
Lets recap the GY-21P...
VEML6040 color sensor and ESP32
VEML6040 color sensor senses red, green, blue, and white light and incorporates photodiodes, amplifiers, and analog / digital circuits into a single chip using...
PAJ7620 gesture sensor and ESP32
The PAJ7620 integrates gesture recognition function with general I2C interface into a single chip forming an image analytic sensor system. It can recognize 9...
MAX30102 pulse oximetry and heart-rate monitor sensor and ESP32
The MAX30102 is an integrated pulse oximetry and heart-rate monitor biosensor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient...
ADS1115 analog-to-digital converter and ESP32
The ADS1115 device (ADS111x) 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....
VL53L0X Time-of-Flight sensor and ESP32
The VL53L0X is a new generation Time-of-Flight (ToF) laser-ranging module housed in the smallest package on the market today, providing accurate distance measurement whatever...
VEML6075 ultraviolet (UV) light sensor and ESP32
The VEML6075 senses UVA and UVB light and incorporates photodiode, amplifiers, and analog / digital circuits into a single chip using a CMOS process....
VEML6070 ultraviolet (UV) light sensor and ESP32
VEML6070 is an advanced ultraviolet (UV) light sensor with I2C protocol interface and designed by the CMOS process. It is easily operated via a...
ESP32 and MPL3115A2 absolute pressure sensor example
The MPL3115A2 is a compact, piezoresistive, absolute pressure sensor with an I2C digital interface. MPL3115A2 has a wide operating range of 20 kPa to...
MLX90615 infrared thermometer and ESP32 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...
Random colours on the WS2812b led ring
This was a WS2812b led ring that I purchased for low cost. There are 12 LEDs in total on this and once you solder...