Quantity   Component name
1 × Microcontroller ESP32 with display https://www.banggood.com/16-Mt-Bytes-128-Mt-bit-Pro-ESP32-OLED-V2_0-TTGO-For-Arduino-ESP32-OLED-WiFi-ModulesBluetooth-p-1205876.html?cur_warehouse=CN
1 × ADF4351 board some sort of eval board from china