{"product_id":"pc817-optocoupler-isolation-board-2-4-8-channel-3-6-30v-pakistan","title":"PC817 Optocoupler Isolation Board 2\/4\/8 Channel 3.6-30V Pakistan","description":"\u003cp\u003e\u003cstrong\u003ePC817 Optocoupler Isolation Board — Arduino, ESP32, STM32 aur industrial projects ke liye perfect voltage isolation solution. Pakistani students aur engineers ke liye ideal!\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eJab aapko do alag voltage systems ko safely connect karna ho — jaise 3.3V microcontroller se 12V ya 24V relay ya motor driver — tab yeh module kaam aata hai. PC817 optocoupler ki madad se input aur output circuits electrically isolated rehte hain, jo aapke microcontroller ko high-voltage spikes se protect karta hai.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003e📋 Specifications Table\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003cth\u003eField\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC \/ Part Number\u003c\/td\u003e\n\u003ctd\u003ePC817 (EL817 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels Available\u003c\/td\u003e\n\u003ctd\u003e2-Channel \/ 4-Channel \/ 8-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput (Driver) Voltage\u003c\/td\u003e\n\u003ctd\u003e3.6V – 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e3.6V – 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e~10mA per channel (total power constant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Frequency Limit\u003c\/td\u003e\n\u003ctd\u003e≤ 4 KHz (pulse signals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Mode\u003c\/td\u003e\n\u003ctd\u003eSelectable via jumper: HIGH or LOW output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Type\u003c\/td\u003e\n\u003ctd\u003ePhotoelectric (Optocoupler)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eGPIO (Digital IN\/OUT via screw terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Boards\u003c\/td\u003e\n\u003ctd\u003eArduino Uno\/Nano\/Mega, ESP32, ESP8266, STM32, Raspberry Pi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Size (4-ch)\u003c\/td\u003e\n\u003ctd\u003e48mm × 38mm | Hole spacing: 42mm × 32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Size (8-ch)\u003c\/td\u003e\n\u003ctd\u003e[VERIFY] approx. 96mm × 38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eScrew terminal blocks (green)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003e⚡ Kahan Use Hota Hai (Use Cases)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Home Automation:\u003c\/strong\u003e 3.3V ESP32 se 12V\/24V relay ya solenoid valve control karna — safely aur without damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Monitoring:\u003c\/strong\u003e PLC ya industrial sensors ke saath microcontroller ko isolate karna taake noise aur voltage spikes se bacha ja sake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFYP \/ College Lab Projects:\u003c\/strong\u003e BSEE\/BSCS students ke liye multi-voltage system integration — motor drivers, actuators, aur sensors ek saath.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics:\u003c\/strong\u003e High-current motor driver (L298N, BTS7960) ke control signals ko Arduino se isolate karna.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT Projects:\u003c\/strong\u003e ESP8266\/ESP32 NodeMCU se 24V industrial sensors ya output devices ko trigger karna without level shifter complexity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e🔌 Kaise Connect Karein (Wiring Guide)\u003c\/h3\u003e\u003cpre\u003e\u003ccode\u003ePC817 Board        Arduino Uno         ESP32 (30-pin)\n──────────────────────────────────────────────────────\nIN1                → D2 (GPIO)         → GPIO 4\nG  (Input GND)     → GND               → GND\n\nOUT (V+)           → External 5–24V+   → External 5–24V+\nOUT (V-)           → External GND      → External GND\nG  (Output GND)    → External GND      → External GND\n\nJumper Position:\n  ● Jumper ON  → Output LOW when input active (Active LOW)\n  ● Jumper OFF → Output HIGH when input active (Active HIGH)\n\n⚠️ Input GND and Output GND are ISOLATED — do NOT connect together.\u003c\/code\u003e\u003c\/pre\u003e\u003chr\u003e\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ1: Kya yeh 3.3V ESP32 ke saath kaam karta hai?\u003c\/strong\u003e\u003cbr\u003eYes! The PC817 input works from 3.6V–24V. A 3.3V ESP32 GPIO is slightly below the minimum spec — use a 5V logic signal or add a small pull-up resistor on the input side for reliable triggering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ2: Kya main isse relay drive karne ke liye use kar sakta hoon?\u003c\/strong\u003e\u003cbr\u003eYes, it can directly drive low-power 24V relays. For high-current relays, use the optocoupler output to drive a transistor (e.g., BC547) or MOSFET stage in between.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ3: Konsi Arduino library chahiye?\u003c\/strong\u003e\u003cbr\u003eNo special library needed — use \u003ccode\u003edigitalWrite(pin, HIGH\/LOW)\u003c\/code\u003e in Arduino IDE. Same standard GPIO functions apply for ESP32.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ4: Agar signal 4KHz se zyada ho toh kya hoga?\u003c\/strong\u003e\u003cbr\u003eSignals above 4KHz will not switch reliably. For high-frequency PWM, use a dedicated high-speed optocoupler like 6N137 instead.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003e📦 Package Contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1× PC817 Optocoupler Isolation Board (2-ch \/ 4-ch \/ 8-ch as selected)\u003c\/li\u003e\n\u003cli\u003eJumper cap pre-installed\u003c\/li\u003e\n\u003cli\u003eScrew terminals pre-soldered\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: Wires, Arduino board, and power supply NOT included.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp style=\"color:#c0392b;\"\u003e\u003cstrong\u003e⚠️ Stock Note:\u003c\/strong\u003e Yeh item abhi out of stock hai lekin aap order kar sakte hain — jaise hi stock aaye ga, turant dispatch hoga. COD available hai Pakistan mein!\u003c\/p\u003e","brand":"Feiyang","offers":[{"title":"Default Title","offer_id":51596590743830,"sku":null,"price":0.0,"currency_code":"PKR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/image_15d45dac-7510-4c85-a999-3ea37db60907.png?v=1784707025","url":"https:\/\/digilog.pk\/products\/pc817-optocoupler-isolation-board-2-4-8-channel-3-6-30v-pakistan","provider":"digilog.pk","version":"1.0","type":"link"}