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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 […]

PCB Solder Mask

PCB Solder Mask

Burglar alarm circuits with Timer Delay

Burglar alarm circuits with Timer Delay using NE556, 2N3904, 1N914 Burglar alarm circuits with Timer Delay using NE556, 2N3904, 1N914

Dimmer

Dimmer using 40502 TRIAC Dimmer using 40502 TRIAC Parts R1 50K Pot R2 15K 1/2W Resistor C1, C2 0.068 250V Capacitor L1 Lamp To Be Controlled (up to 350 watts) L2 Neon Lamp TR1 40502 TRIAC MISC Case, Knob, Heatsink For TR1, Wire, Socket For L1 Notes 1. This circuit is for 117VAC only. 220 […]

PA 3000W namec circuit diagram

PA 3000W namec circuit diagram PA 3000W namec electronic manufacturing audio #3000w circuit diagram using MPSA42, BD681, MJE350, MJE340, BC549, MJ21193 / MJ15025, MJ21194 /MJ150024 The larger watt power amplifier, the greater the power is needed from the power supply, then the resulting sound more devastating. required power supply 130v DC

audio source amplifier

audio source amplifier circuit using uPC1241H small stereo amplifier

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