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.7-8 - 2004

Conex Club Magazine - no.7-8 - 2004 - Anemometer - Wind speed measurement

Reading time: 4 minute Among the main topics presented in this issue, we list: Techniques and methods for measuring earthing installations; Temperature transducers (I) - Resistive transducers (thermistors); TDA5051 - Modem through the 220Vac socket network; Universal mobile phone interface - PC with MAX3232; Counter / Dispenser for pill packaging; Voice encryption module;

 122 total views

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.11 - 2002

Conex Club Magazine - no. 11 - 2002 - The correct steps towards a good bonding

Reading time: 7 minute Among the main topics presented, we list: Remote control by phone; Methods and techniques for measuring conductive structures (II); Prescaler for multimeter - 20MHz; Time relay - Frequency generator with microcontroller 89C2051; Telephone line detector; Automatically programmable time; Resetable fast electronic safety.

 74 total views

Conex Club Magazine - no.4 - 2002

Conex Club Magazine - no. 4 - 2002 - Rapid manufacture of printed circuit boards using engraving technologies

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.

 116 total views

Tehnium Magazine no. 4 - 2002

Tehnium Magazine no. 4 - 2002 - How do we build a wind rotor?

Reading time: 3 minute Among the topics discussed in this issue, we list: Let's build a wind rotor; Intercom; Economic refrigerator; Speed ​​variator for DC motors; Radio beacon; Adjustable voltage source 0V - 27V; Making coils with ferrite type magnetic core; Temperature relay for vulcanizing and hot soldering apparatus with epoxy resins;

 107 total views