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STK439 Circuit

Audio Amplifier Circuit Using STK439

How To making stereo noise filter

How To making stereo noise filter stereo noise filter Schematic using BC547B, BC547C Noise reduction circuit

PC serial port RS-232 pin out and wiring

PC serial port RS-232 pin out and wiring

LED LINEAR

5 DOT LED LINEAR LEVEL METER DRIVER circuit using KA2284 5 DOT LED LINEAR LEVEL METER DRIVER circuit using KA2284 The KA2284 are a monolithic integrated circuit disigned for 5-dot LED level meter drives with a built-in rectifying a amplifier, it is suitable for AC/DC level meters such as VU meters or signal meters. FEATURES […]

Dimmer Touch Switch

Dimmer Touch Switch Dimmer Touch Switch circuit using TT6061A and ST136

Schema Timer for Intervals

Schema timer for intervals of 5 to 30 minutes incremented in 5 minute steps. Timer function to activate an output with a time interval can be set. Done via the timing of setting the value (preset value). The timer will work if given the input and a clock pulse. For the clock pulse is supplied […]

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