Reading time: 4 minute Among the main topics presented in this issue, we list: Two-wire intercom - Full duplex; Alternative method of ultra-fast manufacturing of printed circuits (Toner Transfer System); Switching voltage stabilizers - LM2575, LM2576, LM2577; TDA8571J - 4 x 40W audio amplifier; 3 triac card (3 relays) with RS232 interface for PC; Automatic for cyclists.
1,153 total views
Reading time: 2 minute Among the main topics presented in this issue, we list: Digital thermostat with K probe; Distributed stabilization power supply; LA4445 - Dual AF power amplifier; uA78S40 - 40V / 1.5A switching voltage stabilizer; 3 1/2 digit digital voltmeter.
941 total views
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.
973 total views
Reading time: 3 minute Among the main topics presented in this issue, we list: Development board - uC PIC; AVR Microcontrollers (I) - Description and use; Development module AT89C2051; PWM generator; Capacity meter; Color TV sight generator;
1,073 total hits, 1 hits today
Reading time: 5 minute Among the main topics presented in this issue, we list: Practical measurement of impedances in electronic equipment; AC voltage regulator - voltage controlled; CNX201 - Audio amplifier; ICL8038 - Function generator; TLE 4905/35/45 L - Proximity transducers with HALL effect; Interface for alarm with 2 zones.v
917 total views
Reading time: 5 minute Among the main topics presented in this issue, we list: Practical measurement of impedances in electronic equipment; AC voltage regulator - voltage controlled; CNX201 - Audio amplifier; ICL8038 - Function generator; TLE 4905/35/45 L - Proximity transducers with HALL effect; 2-zone alarm interface.
877 total views
Reading time: 6 minute Among the main topics presented, we list: Protection for acoustic enclosures; Practical measurement of impedances in electronic equipment; Graphical interface - PC-assisted design of transformers; Integrated fixed voltage regulators; Negative voltage stabilizers - minimum output current; ICL8038 - Function generator; Battery charger - Circuit MC33340; TDA7375 - Applications.
986 total views
Reading time: 4 minute Among the main topics presented in this issue, we list: Detector of electrical cables mounted in the wall; Dynamic noise reducer; 13.8V / 3A source with backup battery; Intercom system for 12 stations; Inflatable barrier; AC voltage regulator with PIC16F84;
1,060 total hits, 1 hits today
Reading time: 4 minute Among the main topics presented in this issue, we list: Electronic Lock (Code Lock); Switching power supplies; 13.8 / 1A linear source with battery for back-up; 40W RMS audio amplifier; PC frequency meter; TDA7293 - Applications; Effective voltage converter - direct voltage; FM mini-transmitter;
974 total views
Reading time: 6 minute Among the main topics presented in this issue, we list: Timer with microcontroller; Mains voltmeter for PC - with timed overvoltage protection; DS18S20 - Digital temperature sensor with 1-wire bus; Network PC Thermometer with DS18B20; STK402-xxx; Electronic ignition - For petrol engines; 3-bit fast A / D converter;
942 total views
