Manual for PIC Basic Pro, the PBP compiler that lets you write firmware for Microchip PIC microcontrollers in a BASIC dialect, filed as a 383 KB PDF.

Short 279 KB PDF datasheet for the Microchip PIC16C5xx family of baseline microcontrollers.

A general PIC reference document in PDF form, 869 KB in size. The name gives only a generic book title and no specific device, author or edition, so its exact contents…

Haier television firmware dump taken from an HK.T.RT2936P638 main board, with HDR in the name likely indicating the HDR-capable build.