AT command reference for the SIM900 GSM/GPRS module, provided as a 1.53 MB PDF. The manual lists the commands used to control calls, SMS, network registration, GPRS data…

PDF document of 422 KB on the MMC (MultiMediaCard) memory card format, with no manufacturer or revision given in the name.

Second part, P2, of the datasheet for the PE160160BRF-001H display module, a 611 KB PDF. Its companion file P1 holds the other half, so keep both for the full document.

Technical document on the MultiMediaCard (MMC) memory card, in a 1.70 MB PDF. The name gives only the card type, without a manufacturer or revision.

Reference document of 1.20 MB in PDF form whose name, SDC, most likely refers to the SD memory card, although the file name gives no maker or version.

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.

Brief PDF of about 60 KB documenting the PG320240-D display module, one of the lettered variants of a 320 x 240 dot graphic LCD series.

Datasheet for the Sitronix ST7565S, a controller and driver for small monochrome graphic dot-matrix LCDs, in a 715 KB PDF.

PDF datasheet for the SED1335, about 398 KB. The SED1335 is a well-known Epson graphic LCD controller used in many 320x240 class monochrome display modules, driving…

ST7066 datasheet, a 318 KB PDF for the Sitronix dot-matrix character LCD controller and driver, commonly found on 16x2 and similar text modules and known as HD44780…

Datasheet for the ST7565S, a dot-matrix LCD controller and driver IC widely used in small monochrome graphic display modules, supplied as a 715 KB PDF.

Specification PDF for the PC1602LRU-QSO-H LCD module, the 1602 number meaning the familiar 16 characters by 2 lines format.

PDF datasheet, 141 KB, for the PC1602LRS-DSO-H character LCD module, which the 1602 code marks as a two-line, sixteen-column panel.

Datasheet in PDF for the SED1560, a 286 KB document. The SED15xx series are Epson LCD controller and driver chips used in dot-matrix graphic display modules.

Datasheet for the Microchip ENC28J60, a stand-alone 10Base-T Ethernet controller with an SPI interface, as a 480 KB PDF.

Datasheet PDF for the SED1330, around 388 KB, an Epson LCD controller from the same family as the SED1335.

Datasheet for the PE1602ARS-001-A character LCD module, 397 KB in PDF form. The 1602 code is the common designation for a 16 character by 2 line text display.

An 842 KB PDF describing the LCD1602, the common 16-character by 2-line alphanumeric character display module.

Technical manual for the S1D15000 series LCD driver ICs, a 4.31 MB PDF; the tm suffix suggests a technical manual rather than a short datasheet.

Programming specification from Microchip describing how to program the flash and data EEPROM memory of PIC16F87X microcontrollers, supplied as a 201 KB PDF.

Comparison document describing the differences between the SIM900 and SIM300 GSM modules, a 958 KB PDF.

Small PDF datasheet titled only as lcd, so the exact display model or controller is not identified by the name.

PDF specification, 135 KB, for the PC2404LRS-AJB-B character module. The digits correspond to 24 characters across 4 lines, and the AJB-B suffix selects a particular…

Datasheet for the T6963C, the Toshiba controller widely used in graphic dot-matrix LCD modules, supplied as a 1.76 MB PDF.

Short 347 KB PDF about the MMC memory card standard; the bracketed number in the name suggests a duplicate saved copy, and no maker or version is stated.

Datasheet for the PE12864-001 LCD module, supplied as a 249 KB PDF. The 12864 in the part number conventionally indicates a 128 x 64 dot graphic display, a very common…

PDF datasheet of 451 KB for the PE12864LRF-001-HC1 LCD module, a 128 x 64 dot graphic display judging by the 12864 group in the part number.

A 1.26 MB PDF datasheet for the UG-2828GCEAF02 display module, with a version-style tail of 1_1 in the name that may indicate a document revision.

Specification sheet in PDF form, 131 KB, for character module PC4004LRS-LSO-B, with a P1 tag suggesting the first edition or page set.

Datasheet for the PC2004LRU-MEA-B alphanumeric display module, a 135 KB PDF. Under the usual convention it is a 20 character by 4 line LCD, one of the most common…