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Electrical and electronics engineering

Electrical and electronics engineering

Kanalga Telegram’da o‘tish

📈 Telegram kanali Electrical and electronics engineering analitikasi

Electrical and electronics engineering (@electricalandelectronics09) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 20 065 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 6 657-o'rinni va Hindiston mintaqasida 21 189-o'rinni egallagan.

📊 Auditoriya ko‘rsatkichlari va dinamika

невідомо sanasidan buyon loyiha tez o‘sib, 20 065 obunachiga ega bo‘ldi.

30 Iyun, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni 169 ga, so‘nggi 24 soatda esa -1 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.

  • Tasdiqlash holati: Tasdiqlanmagan
  • Jalb etish (ER): Auditoriya o‘rtacha 35.33% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 5.43% ini tashkil etuvchi reaksiyalarni to‘playdi.
  • Post qamrovi: Har bir post o‘rtacha 0 marta ko‘riladi; birinchi sutkada odatda 1 090 ta ko‘rish yig‘iladi.
  • Reaksiyalar va o‘zaro ta’sir: Auditoriya faol: har bir postga o‘rtacha 0 ta reaksiya keladi.
  • Tematik yo‘nalishlar: Kontent current, transistor, circuit, mosfet, collector kabi asosiy mavzularga jamlangan.

📝 Tavsif va kontent siyosati

Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida ta’riflaydi:
Electrical engineering Paid promotion @Engineeringupdatess @electricalandelectronics09

Yuqori yangilanish chastotasi (oxirgi ma’lumot 01 Iyul, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli bo‘lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Texnologiyalar & Aralashmalar toifasidagi muhim ta’sir nuqtasiga aylantirishini ko‘rsatadi.

20 065
Obunachilar
-124 soatlar
+287 kunlar
+16930 kunlar

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Controlling DC motor speed using voltage directly is inefficient, so this circuit uses Pulse Width Modulation (PWM) to do it
Controlling DC motor speed using voltage directly is inefficient, so this circuit uses Pulse Width Modulation (PWM) to do it more effectively. A 555 timer generates a square wave where the ON time and OFF time can be adjusted using the variable resistor (VR1). When the pulse is narrow, the motor receives power for a shorter time, resulting in lower average voltage and slower speed. When the pulse is wide, the motor gets power for longer duration, increasing the average voltage and making it spin faster. The diodes around the potentiometer help control the charge and discharge paths separately, allowing smooth duty cycle adjustment. The output from the 555 timer drives a power transistor (2N3055), which acts like a switch to supply current to the motor. A diode across the motor protects the circuit from voltage spikes generated when the motor turns off. This method provides efficient speed control with minimal power loss. #ElectronicsEducation #ElectronicsRD #PWM #DCMotor #555Timer Like share 👍👍😍✨✨
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This circuit shows how an Arduino controls an RGB LED using three output pins. An RGB LED contains three internal LEDs—Red, G
This circuit shows how an Arduino controls an RGB LED using three output pins. An RGB LED contains three internal LEDs—Red, Green, and Blue—combined in one package. In this diagram, it is a common cathode type, meaning all the negative terminals are connected together and tied to ground. Each color pin (R, G, B) is connected to a separate Arduino digital/PWM pin through a 220Ω resistor (R1, R2, R3). These resistors limit current and protect both the LED and the Arduino. When the Arduino sends a HIGH signal to any pin, current flows through the resistor and the corresponding LED color turns ON. By using PWM (pins marked with ~), the brightness of each color can be adjusted. By mixing different brightness levels of Red, Green, and Blue, a wide range of colors can be produced. For example: Red + Green = Yellow Red + Blue = Magenta Green + Blue = Cyan All three = White This is the basic principle behind color mixing in displays and lighting systems. #ElectronicsEducation #ElectronicsRD #Arduino #EmbeddedSystems
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