Reading time: 3 minute The article presents two mounts that can be used as "mini" beacons. One of the fixtures is powered by a 12V source and uses a halogen bulb as the light source, and the other assembly is powered by 9V and has as light source two series LEDs.
Reading time: 6 minute Among the main topics presented in this issue, we list: Proximity sensor (proximity); TC9153 (AP) - Digital volume controller, up-down; Folia Press'n'Pell (PnP) - Practical advice; Digital stereo volume controller with electronic up / down control; Speed variator for mini-drills; Voice separator for karaoke; Prescaler 1000MHz.
Reading time: 5 minute Among the main topics presented in this issue, we list: MC34064 - Undervoltage sensing circuit (power voltage monitor); Audio frequency amplifiers with TDA2822M; Universal siren module with back-up source; Dynamic lights and signaling arrow; 4-channel digital thermometer; "Flash" type light signals (beacons); Maintaining between two limits the water level in a tank;
Reading time: 5 minute Among the main topics presented in this issue, we list: Configuring an adequate temperature profile for gluing surface-mounted components (SMD); Generation of laboratory sinusoidal signals by direct digital synthesis - DDS. Circuit AD9851; Digital tachometer; Electronic ringtone for LS1240A integrated circuit telephone; ZCD - pulse generator synchronized with the voltage crossing of 220Vac / 50Hz through zero;
Reading time: 4 minute Among the main topics presented in this issue, we list: Introduction to digital potentiometers; AD7376 +30 V / +/- 15 V Operation - 128-Position Digital Potentiometer; Automatic lighting (with IR barrier); TV modulator - for surveillance video cameras; IC-Prog serial programmer - for uC PIC and 24Cxx memories; Voice activated electronic switch.
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;
Reading time: 4 minute Among the main topics presented, we list: Digital oscilloscope - a channel, for PC; Two-channel remote control receiver; Security systems; Timing presence sensor; Programming alphanumeric LCD displays; Reversible memory counter; Software timers made with C51 series microcontrollers.
Reading time: 4 minute Among the main topics presented in this issue, we list: TPS6021X (Regulated 3.3-V 50-mA Low-Ripple Charge Pump with Ultra Low Operating Current); AD698 (Universal LVDT Signal Conditioner); Wireless microphone; PIC, EEPROM and SIM card programmer; TV modulator; Remote control via electrical network; Measurements with the reflectometer.
Reading time: 3 minute Among the main topics presented in this issue, we list: 75W amplifier; Automatic for rotation; CMOS logic circuits; Motorola MC3362; Car alarm; Voltage reference;
Reading time: 2 minute Among the main topics discussed in this issue, we list: Time base; 2x40W stereo audio amplifier; Frequency meter 0.1Hz… 1.5GHz; 250W audio amplifier; Strobe; HB9CV antenna; MC3359; Level indicator; Electronic thermometer;
