Datasheet for the DS1307 serial real-time clock, provided as a 165 KB PDF. The chip keeps time and calendar data, communicates over the I2C bus, includes 56 bytes of…

Atmel datasheet for the AT89C4051, a compact 20-pin 8051-compatible microcontroller with 4 KB of flash and an onboard analog comparator.

PDF datasheet for the PH320240T-001-I33Q LCD module, 336 KB. The 320240 group indicates a 320 x 240 dot graphic display, and the trailing code identifies a particular…

Datasheet covering the Microchip PIC18Fxx20 microcontroller family, a 7.04 MB PDF document.

Datasheet for the AM2301 digital temperature and humidity sensor, a 577 KB PDF. The AM2301, also sold as DHT21, uses a single-wire bus with a proprietary timing…

Microchip datasheet for the PIC18Fxx8 family, the largest file in this set at 7.43 MB, where xx marks the different memory and pin-count variants.

Full 5.89 MB PDF datasheet for the Microchip PIC18Fxx39 group of 8-bit flash microcontrollers, a family that includes on-chip motor control features.

Full datasheet for the ATmega32 AVR microcontroller in PDF form, 2.70 MB. It describes the pinout, memory, clock options, timers, ADC, USART, SPI, TWI, JTAG interface…

Full datasheet for the ATmega406 AVR microcontroller, a 1.68 MB PDF. This chip is designed for smart lithium battery packs, integrating cell balancing, voltage and…

Series datasheet for the PG320240 graphic LCD, revision letter M, 315 KB in PDF. The numbers denote a 320 by 240 dot display, and the late revision letter suggests the…

Microchip datasheet for the PIC12F629 and PIC12F675, 8-pin flash microcontrollers, in a 4.81 MB PDF.

PDF datasheet for the Atmel AT89C1051, the smallest member of the 20-pin 8051-compatible family, offering 1 KB of flash, 64 bytes of RAM and an analog comparator.

Graphic LCD datasheet in PDF, 553 KB, for the PE12864ARF-001-HC1 module, which by its 12864 code is a 128 x 64 dot display.

Customer approval specification for the LM270WR8-SSA1 panel, version 0.4 from June 2020 per the name, in a 1.15 MB PDF; the leading number appears to be a document…