ESP32-SD-Card-Logger

A simple SD-Card Logger for the ESP-WROOM-32 with RTC, LCD and Ultrasonic-sensor.

Circuit

Built on ESP32-WROOM-32 from AZ-Delivery.

Parts

• Simple button
• 10k Potentiometer
• 10k Ohm resistor
• Ultrasonic-Sensor (HC-SR04)
• SD-Card Module (Standard size SD)
• LCD 16x2
• Real-Time-Clock (DS3231)
• ESP32-WROOM-32

Warning

• The Pinout maybe different on your ESP32-Board. Check the datasheet.

TO-DO

• Log Battery Voltage
• Show Remaining / Used Storage and Voltage on LCD
• Integrate a menu system
• Integrate a button to switch between menus
• Show SD-Card errors on screen
• Log important events e.g. Interrupts, Errors, Storage Usage Information, Voltage, Unusual Values
• Swap Ultrasonic-Sensor out for version US-100