The other suggested external IC is an SPI RAM chip to allow for buffering of the incoming MP3 file. WiFi — and TCP networks in general — being what they are, you’re going to want to buffer ...

Reader [Jasper] writes in with glowing praise for the TFT_eSPI library for the ESP8266 and the various cheap 480×320 TFT displays (ILI9341, ILI9163, ST7735, S6D02A1, etc.) that support SPI mod… ...

Among IC industry, how to tell among FWH, LPC and SPI? i.e. FirmWare Hub, Low Pin Count and Serial Peripheral Interface Can we tell them from the IC's appearance or they are just interfaces?