ESP32 Multitool

ESP32 Multitool is an I/O board for ESP32 microcontroller based projects. It is designed for IoT projects on a boat but can be used in automotive, RV, and home environments. It is designed to be inexpensive, robust, energy efficient, and easy to use. It supports firmware from multiple open source projects including ESPHome, ESPSense, and Platformio.

![[esp32-multitool.png]]

Features

• 4x Analog Inputs
  • +0-30VDC
  • Measure voltage or resistance
• 4x Digital Inputs
• 4x PWM/Switch Outputs
  • Configurable voltage from VIN, +5V, and External
  • 1A current per channel
• CAN/N2K
• 1-Wire
• I2C
  • Qwiic and Adafruit compatible I2C connector
• Power
  • +5 - 30VDC Input
  • OVP, RV, and ESD Protection
• Software Compatibility
  • ESPHome
  • ESPSense
  • Platformio

Examples

TBD

Tank Level Monitor

Engine Monitor

Fan Controller

LED Dimmer

More

• Refridgerator Controller
• Barometer & Lightning Detector

Acknowledgements

Sailorhat