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Posts tagged led strobe

Led Strobe

6v led strobe circuit using CD74HC4017 and MM74C14 6v led strobe circuit using CD74HC4017 and MM74C14 Led Strobe 1 IC1 MC14584BCP IC2 CD74HC4017N T1 2N3904 or 2N4401 NPN transistor 8 D1 to D8 1N4148 or 1N914 Diodes 10 LEDs Blue, green or white Ultra-Bright LEDs with Vf = 3.2V or less at 20mA 1 R1 […]

Electronic circuit diagram audio amplifier AN7124 3w

Electronic circuit diagram audio amplifier AN7124 3w

Transportable PC or Laptop circuit

Transportable PC or Laptop circuit using BC337 Transportable PC or Laptop circuit using BC337 Componentes: R1 10 k                                    IC1 zocalo 18 pines R2 1.5 k                                   T1 BC337 D1 1N751A Zener 5.1V    T2 BC337 D2 1N4148 D3 1N4148 D4 1N4148 D5 1N756A Zener 8.2V D6 1N4148 18 Pines: * 16C55x * 16C61 * 16C62x […]

Circuit electronics to determine the humidity of the room

Circuit to determine the humidity is a comparator, which detects the temperature change is very small in relation to the ambient temperature environment. Parts: R1_____________22K Linear Potentiometer (See Notes) R2_____________15K @ 20°C n.t.c. Thermistor (See Notes) R3_____________10K 1/4W Resistor R4,R5,R7,R9____22K 1/4W Resistors R6____________220K 1/4W Resistor R8______________5K 1/2W Trimmer Cermet R10___________680R 1/4W Resistor C1_____________47µF 63V Electrolytic […]

Make preamp circuit for Guitar using TL074

Make preamp circuit for Guitar using TL074 Make preamp circuit for Guitar using TL074

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