ESP32 Vero-Board Security System

I already have an ESP32 module and a vero board set aside; now I need the complete electronics and firmware design that turns them into a compact surveillance unit. The core idea is simple: an ultrasonic... (Budget: £20 - £250 GBP, Jobs: Arduino, Bluetooth Low Energy (BLE), Circuit Design, Electronics, Embedded Systems, Firmware Development, Microcontroller, MQTT)