Conex Club Magazine - no.3 - 2006

Conex Club Magazine - no.3 - 2006 - Tricks and applications with LM3914 (LM3915)

Reading time: 4 minute Among the main topics presented in this issue, we list: Mini-timer with bargraph; Night light with white LEDs and variable brightness; Capacity indicator for Li-Ion batteries; Tester for operational amplifiers; Telephone alarm; Parallel connected telephones - restrictions and confidentiality of calls; PIC16F84 microcontroller (I) - use and programming.

 207 total views

Conex Club Magazine - no.1 - 2005

Conex Club Magazine - no. 1 - 2005 - Programmable current source 0-5A

Reading time: 4 minute Among the main topics presented in this issue, we list: How to acquire data with 4 channels on USB; AVR Microcontrollers (XIV) - Communication between the UART port of an AVR series CPU and a PC; Critical temperature warning; Thyristor controlled rectifier; Source with 12V / 2A back-up; Overvoltage protection of electronic equipment.

 100 total hits, 1 hits today

Conex Club Magazine - no.12 - 2004

Conex Club Magazine - no.12 - 2004 - R232 interface - One wire

Reading time: 4 minute Among the main topics presented in this issue, we list: Board for experiments with AT89C2051, AT90S1200, AT90S2313; AVR microcontrollers (XIII) - Serial communication on the UART port of uC AT90S2313; Thermal radiators - Physical sizing; Semi-duplex intercom system, two-wire .; UTP / STP cable and telephone tester; Aquarium controller with uC PIC16F84; LED light sets;

 182 total hits, 1 hits today

Conex Club Magazine - no.5 - 2004

Conex Club Magazine - no.5 - 2004 - Protective coatings for implanted plates (conformal coatings)

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.

 95 total views

Conex Club Magazine - no.5 - 2003

Conex Club Magazine - no.5 - 2003 - TDA1560Q (40 W car radio high power amplifier)

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;

 85 total views

Petrosani Hobby Magazine - no16 - 2007

Petrosani Hobby Magazine - no. 16 - 2007 - Installation with tricolor LEDs

Reading time: 3 minute The main topics discussed in this issue: The program of the electronics contest - 2007 Edition - Pitesti; To interpret correctly the unconventional units of measurement; Stereo Amplifiers with TDA 2003; Mounting with tricolor LEDs; Digital photography for beginners (tips, tutorials, ideas);

 89 total views