Reading time: 4 minute Among the main topics presented in this issue, we list: Alternative technologies for connecting electronic components; Very low voltage stabilizer (LDO) 1.2V; FM 100 - 108MHz mini transmitter (modulator); 2x30W stereo amplifier; Source of constant current, power; Determinator 4001 - Identifier / tester for transistors; Universal temperature sensor with LM335.
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.
Reading time: 3 minute The main topics discussed in this issue: Electronic construction contest; First aid in case of accidents; The inter-county contest of electronic constructions TEAM - Botosani; Will amateur radio disappear ?; Medical kit on vacation;
Reading time: 3 minute Among the main topics discussed in this issue, we list: DTMF (Dual Tone Multi Frequency) standard; Timer; Automatic fan control; SWR - Automatic measurement; Peak detector;
Reading time: 4 minute Among the main topics presented in this issue, we list: Amplifier 2 x 15W; Advantages of using MOSFET transistors; Thermostat; 4-tone siren; VHF transceiver 144 - 148MHz; DC / DC converter; Alternating voltage inverter