Display: placeholder for 0.96" SPI COLOR OLED [SSD1331](https://drive.google.com/file/d/0B5lkVYnewKTGRlpxcEdWaXNvWnM/view)
WiFi+bluetooth: placeholder for ESP-32 (Standalone JTAG web interface over WiFi)
WiFi+bluetooth: placeholder for [ESP-32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf) (Standalone JTAG web interface over WiFi)