PCBCrew Easymeal IoT
ESP32 based vending machine controller board with Ethernet, Wi-Fi, and 4G LTE connectivity
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Project description
ESP32-S3 Wiznet W5500 Ethernet Controller Mini-PCIe connector for a Quectel/Simcom 4G LTE module RS232 UART port via push-pull connector Dual MDB connectors for vending macine interfacing On-board backup 18650 battery holder and charger DS1337 RTC and CR2032 battery holder DIP8 connector for 24Cxx EEPROM A few buttons and LEDs USB 2.0 Type-C connector for debugging
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