Conex Club Magazine - no.5 - 2006

Conex Club Magazine - No. 5 - 2006 - MAX712 / MAX713 - NiCd / NiMH Battery Fast-Charge Controllers

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.

Conex Club Magazine - no.4 - 2006

Conex Club Magazine - no. 4 - 2006 - 120W bridge amplifier with LM3886

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.

Conex Club Magazine - no.2 - 2006

Conex Club Magazine - no.2 - 2006 - Freeze indicator for the car

Reading time: 6 minute Among the main topics presented in this issue, we list: Alternative technologies for connecting electronic components (II); Simple and economical bargraph; ICL7665 - Electric voltage monitor with dual output for under and over-voltage; Stepper motors - Structure and control; Stepper motor driver with MOSFET transistors; Simple protection for acoustic enclosures; Compact Flash / IDE interface; Automatic night lighting powered by the mains.

Conex Club Magazine - no.12 - 2005

Conex Club Magazine - no.12 - 2005 - TDA7384 - 4x25W quad audio amplifier

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;

Conex Club Magazine - no.2 - 2005

Conex Club Magazine - no.2 - 2005 - mAh-meter for Ni-Cd battery elements

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;