Reading time: 4 minute Among the main topics presented in this issue, we list: Universal USB interface - Velleman K8055; LM3876 - Audio Power Amplifier SeriesHigh-Performance 56W Audio Power Amplifier w / Mute; Electronic thermostat; Access control keypad for electronic lock; AVR (II) microcontrollers - description and use; Liquid crystal displays - LCD; ICL7660 and MAX1044 - CMOS voltage converters with switched capacities.
