Reading time: 6 minute Among the main topics presented in this issue, we list: Indicator - universal controller for liquid level; Remote control receiver for switching electrical and household appliances; Motion control in both directions at a DC minimotor; Temperature measurement and recording on PC - using the iButton DS1820; Volumetric sensor (or broken glass detector); 2 x 3W stereo audio amplifier; Voltage stabilizer 1.25… 20V / 4A.
Reading time: 5 minute Among the main topics presented in this issue, we list: Measuring the electrical resistance of solders made with alloys without Pb or conductive adhesives; Performance indicator for "burned" fuses; Active switch for supply voltages; LM385 (B) - Precision fixed voltage reference source; Charger for lead-acid batteries (sealed); Balance indicator; Automatic / manual video switch; Speed regulator for AC motors; Sensory electronic switch - Touch Switch.
Reading time: 4 minute Among the main topics presented in this issue, we list: Laser telemetry; Timed miniature fuses - FSK0_ Series; Universal electronic voltmeter with LCD display; 18 holiday schemes and applications; Cable capacitance; Adapter for measuring alternating voltages.
Reading time: 4 minute Among the main topics presented in this issue, we list: Broadband amplifier for VHF - UHF; 65W amplifier; Emergency relay; Charger - automatic discharger for Ni-Cd and Ni-MH batteries; Performance Audio Power Amplifier Series (LM3886, LM4766 and LM4780).
Reading time: 4 minute Among the main topics presented in this issue, we list: Applications of Simple Switches controllers - LM257x; Digital capacitance meter; PC-controlled smart relay; Fast and ultra-fast diodes; Parallel programmer for FUSE and LOCK bits at ATmega; IrDa interface (IR port for PC).
Reading time: 4 minute Among the main topics presented in this issue, we list: Development of equipment for temperature monitoring in technological processes (VI); 300W final audio amplifier with MOSFET; Vu-meter stereo; Multifunctional audio-video monitor; Board 16 relays controlled by PC; Thermal fuses; Proximity sensor;
Reading time: 3 minute Among the main topics presented in this issue, we list: Twilight switch; Checking the MOS-FET transistors; Digital thermostat 0… 1000C with thermocouple; Dynamic lights with analog circuits; Programmer - 18-pin PIC application development board; Time relays;
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;
Reading time: 2 minute Among the main topics discussed in this issue, we list: Amplifier 25W; Numerical scale; Vu-meter; Safety lighting; Water level indicator (installation with SMD components);
