39 Touch Control Safety Deposit Box BS85C20-3 + HT1620 Touch MCU Solution - ITO + LCD Characteristics Electronic Password Lock - Memories the Unlocked Date, Time and Password Integrated LCD + ITO Touch Applications Battery Capacity Display, Tilt Alarm, RTC, Perpetual Calendar MCU Integrated Touch Control with EEPROM Limited Peripheral Component Requirements - no External Oscillator and Reset Circuit Required High Noise Immunity Flash MCU Supports ICP Multiple Programming. ITO + LCD HT1620 BS85C20-3 Product Appearance PCB Front PCB Back Application Areas Safety deposit boxes, door machines, electronic locks, security code input systems etc. Product Application Block Diagram Application Circuit