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https://lcenj.ir/product/18/proone-pgm204-black2026-10-20T14:48:09Zweekly0.7https://lcenj.ir/static/Products/18/Images/1.webp?v=1792393971240229893ماساژور گردن پرووان NeckCare PGM204 ـ مشکی https://lcenj.ir/product/19/proone-psb4976-black2026-10-19T08:53:53Zweekly0.7https://lcenj.ir/static/Products/19/Images/1.webp?v=1792393971260229760پارتی‌باکس پرووان Party Vibe PSB4976 ـ مشکی https://lcenj.ir/product/20/proone-pgv303-black2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/20/Images/1.webp?v=1792393971244229867ویدئو پروژکتور پرووان Pixel PGV303 ـ مشکی https://lcenj.ir/product/21/proone-pdh80-black2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/21/Images/1.webp?v=1792393971240229893دانگل HDMI بی‌سیم پرووان PDH80 ـ مشکی https://lcenj.ir/product/22/proone-pmw90-black2026-10-19T08:53:53Zweekly0.7https://lcenj.ir/static/Products/22/Images/1.webp?v=1792393971252229813ماوس بی‌سیم پرووان Noir PMW90 ـ مشکی 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https://lcenj.ir/product/44/proone-ppb5213-white2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/44/Images/1.webp?v=1792404643817376871پاوربانک ۲۰۰۰۰ پرووان Volto20 PPB5213 ـ سفید https://lcenj.ir/product/45/proone-ppb5212-white2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/45/Images/1.webp?v=1792404643817376871پاوربانک ۲۰۰۰۰ پرووان Power Lab Pro PPB5212 ـ سفید https://lcenj.ir/product/46/proone-ppb5212-black2026-10-19T09:32:38Zweekly0.7https://lcenj.ir/static/Products/46/Images/1.webp?v=1792393971252229813پاوربانک ۲۰۰۰۰ پرووان Power Lab Pro PPB5212 ـ مشکی https://lcenj.ir/product/47/proone-psb4981-black2026-10-19T08:53:53Zweekly0.7https://lcenj.ir/static/Products/47/Images/1.webp?v=1792393971264229733پارتی‌باکس پرووان Mini Spark PSB4981 ـ مشکی https://lcenj.ir/product/48/proone-psb4979-black2026-10-19T08:53:53Zweekly0.7https://lcenj.ir/static/Products/48/Images/1.webp?v=1792393971260229760پارتی‌باکس پرووان Spark PSB4979 ـ مشکی https://lcenj.ir/product/49/proone-sb4903-black2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/49/Images/1.webp?v=1792404309671553089اسپیکر قابل حمل پرووان PSB4903 ـ مشکی https://lcenj.ir/product/50/proone-pps615-white2026-10-20T14:48:09Zweekly0.7https://lcenj.ir/static/Products/50/Images/1.webp?v=1792393971256229787چندراهی برق پرووان PPS615 ـ سفید https://lcenj.ir/product/51/proone-phl1196-black2026-10-19T07:49:23Zweekly0.7https://lcenj.ir/static/Products/51/Images/1.webp?v=1792393971248229840پایه رومیزی پرووان Dena PHL1196 ـ مشکی https://lcenj.ir/product/52/proone-phl1195-black2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/52/Images/1.webp?v=1792393971248229840پایه رومیزی پرووان Hold X PHL1195 ـ مشکی https://lcenj.ir/product/53/proone-pco14-black-grey2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/53/Images/1.webp?v=1792393971236229920مبدل OTG میکرو USB پرووان PCO14 ـ مشکی / خاکستری https://lcenj.ir/product/54/proone-pgs101-grey2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/54/Images/1.webp?v=1792393971240229893ست پیچ‌گوشتی دقیق پرووان PGS101 ـ خاکستری https://lcenj.ir/product/55/proone-pgc504-white2026-10-19T07:40:39Zweekly0.7https://lcenj.ir/static/Products/55/Images/1.webp?v=1792404309671553089پرزگیر شارژی پرووان Silka PGC504 ـ سفید https://lcenj.ir/product/56/proone-pgc503-black2026-10-20T14:48:09Zweekly0.7https://lcenj.ir/static/Products/56/Images/1.webp?v=1792393971240229893جارو شارژی پرووان Neat Pro PGC503 ـ مشکی https://lcenj.ir/learning/sensors/fundamentals/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/sensors/temperature-humidity/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/sensors/light/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/sensors/distance-level/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/sensors/motion-position/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/sensors/gas-air-quality/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/sensors/pressure-weight-flow/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/sensors/calibration-noise/2026-07-28T13:05:07Zweekly0.7 https://lcenj.ir/learning/57/sdr-iq-samples-explained2026-10-21T06:33:42Zweekly0.75https://lcenj.ir/static/uploads/learning/57/assets/rtl-sdr-v3-photo.jpgSDR چیست؟ رادیوی نرم‌افزاری و داده‌های I/Q https://lcenj.ir/learning/56/power-bank-mah-wh-usable-energy2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/56/assets/power-bank-interior.jpgظرفیت واقعی پاوربانک: تبدیل mAh به Wh و محاسبه تعداد شارژ https://lcenj.ir/learning/55/uno-input-pullup-bounded-button-debounce2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/55/assets/uno-real.jpgورودی کلید در Arduino Uno: پول‌آپ و debounce با ماشین حالت https://lcenj.ir/learning/54/pc817-optocoupler-ctr-resistor-pullup2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/54/assets/pc817-real.jpgاپتوکوپلر PC817 چیست؟ محاسبه مقاومت LED، CTR و پول‌آپ https://lcenj.ir/learning/53/7805-overheating-power-loss-heatsink2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/53/assets/l7805cv-real.jpgچرا رگولاتور 7805 داغ می‌شود؟ محاسبه اتلاف و هیت‌سینک https://lcenj.ir/learning/52/relay-flyback-diode-1n4007-polarity2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/52/assets/1n4007-real.jpgدیود هرزگرد رله چیست؟ جهت 1N4007 و انتخاب درست https://lcenj.ir/learning/51/ne555-monostable-timer-rc-timing2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/51/assets/ne555-dip-soic-real.jpgآموزش NE555؛ مدار تک‌ضرب و محاسبه زمان RC https://lcenj.ir/learning/50/i2c-spi-uart-comparison2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/50/assets/stm32-real-20261013.jpgتفاوت I2C، SPI و UART؛ انتخاب رابط برای سنسور و ماژول https://lcenj.ir/learning/49/arduino-millis-without-delay2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/49/assets/uno-real-20261013.jpgبرنامه‌نویسی Arduino بدون delay؛ millis و زمان‌بندی چند کار https://lcenj.ir/learning/48/how-to-read-electronics-datasheet2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/48/assets/ds18b20-real-20261013.jpgچگونه دیتاشیت بخوانیم؟ از حد مطلق تا انتخاب قطعه https://lcenj.ir/learning/47/pwm-duty-frequency-arduino2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/47/assets/uno-real-20261013.jpgPWM چیست؟ تفاوت فرکانس و Duty Cycle با مثال Arduino https://lcenj.ir/learning/46/esp32-brownout-power-decoupling2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/46/assets/workbench-real-20261013.jpgچرا ESP32 ریست می‌شود؟ عیب‌یابی Brownout و تغذیه https://lcenj.ir/learning/45/3v3-5v-logic-level-conversion2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/45/assets/esp32-module-real-20261013.jpgاتصال ۵ ولت به ESP32؛ انتخاب تبدیل سطح ۳٫۳ و ۵ ولت https://lcenj.ir/learning/44/esp32-vs-stm32-project-selection2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/44/assets/esp32-real-20261013.jpgESP32 یا STM32؟ انتخاب میکروکنترلر برای پروژهٔ واقعی https://lcenj.ir/learning/43/sensor-noise-filtering-moving-average-median-ema2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/43/assets/cover.webpدادهٔ سنسور نویزی است؟ مقایسهٔ میانگین، میانه و فیلتر EMA https://lcenj.ir/learning/42/esp32-i2c-sensor-troubleshooting2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/42/assets/cover.webpسنسور I²C در ESP32 پیدا نمی‌شود؟ عیب‌یابی مرحله‌به‌مرحله https://lcenj.ir/learning/41/temperature-humidity-sensor-wrong-values2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/41/assets/cover.webpچرا سنسور دما و رطوبت مقدار اشتباه نشان می‌دهد؟ https://lcenj.ir/learning/40/sensor-accuracy-resolution-calibration2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/40/assets/cover.webpدقت، رزولوشن و کالیبراسیون سنسور؛ چرا رقم بیشتر کافی نیست؟ https://lcenj.ir/learning/39/analog-vs-digital-sensors2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/39/assets/cover.webpتفاوت سنسور آنالوگ و دیجیتال؛ از سیم‌کشی تا دادهٔ معتبر https://lcenj.ir/learning/38/sensor-basics-types-applications2026-10-21T06:54:58Zweekly0.75https://lcenj.ir/static/uploads/learning/38/assets/cover.webpسنسور چیست؟ 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