Door lock and access control systems
ADC0831 8-Bit Analog to Digital Converter IC
It supports 15 commands in all and only 5 commands at the same time
Auto and manual ranging — fast auto mode or precise manual selection
based on the PIC® mid-range core with an 8-level deep hardware stack and 35 instructions
ATtiny45 AVR Microcontroller 12v Door lock and access controlATtiny45 AVR Microcontroller 8 Bit AVR 8 Pin The ATtiny45 is a compact 8 bit AVR microcontroller from Microchip (formerly Atmel), featuring 4KB flash, 256 bytes EEPROM, 256 bytes SRAM, and 6 I O lines in an 8 pin package. With a 4 channel 10 bit ADC, PWM, and multiple power saving modes, it is ideal for small, low power embedded applications. Key Features 8 pin DIP package with 6 usable I O pins 4KB ISP Flash program memory 256 bytes EEPROM, 256 bytes