Program the esp32 ULP coprocessor in Arduino

The Eagle settings SparkFun uses for board designs

ESP32 ULP Coprocessor Helper

ESP32 ULP Co-Processor toolchain implemented in MicroPython

A correct way to determine if two floating-point numbers are approximately equal to one another in Swift

Yet another esp32 watch

FreeRTOS Tick/Tickless via LPTIM

Examples of using the ULP Co-Processor of the ESP32 with simple pulse counting, which I extended for also saving the shortest pulse.

Water level monitor using open-source microcontrollers (Arduino, ESP8266, ESP32) and ultrasonic sensors HC-SR04 / JSN-SR04T and similar with Trigger and Echo signals. Arduino Core & ESP-IDF implementations. For ESP32 available also with FreeRTOS. ESP8266 and ESP32 support for Ultra Low Power deep sleep app. ESP32 available with PHY Ethernet LAN8…

Migration of the original project [Waterius](https://github.com/dontsovcmc/waterius) to ESP32

An Ultra Low Power temperature logger based on the ESP8266 MCU.

ESP32 ULP example

Test of ESP32 reatining RTC IO outpus in hibenation mode

M5Stack sprite+ULP-sound demo

ESP32 temperature measurement with ULP

Various ULPs (User Language Programs) for the Autodesk EAGLE

Remote areas monitoring IoT node: ULP (Energy-harvesting powered) fire detection & alarming system using Fuzzy logic with an edge computing approach for daily temperature logging.

A thin wrapper of ulptool for PlatformIO

Minimal ESP32 ULP Blink example

Environmental monitoring for Aquaculture and Hydroponics