{"product_id":"esp32-based-8-channel-relay-board-micro-controller-board-in-pakistan-wifi-lan-bluetooth","title":"Esp32 Based 8 Channel Relay Board Micro Controller Board Wifi Lan Bluetooth","description":"\u003cp\u003eThis is Locally designed IoT Baord with \u003ca href=\"\/products\/esp32-nodemcu\" title=\"Wroom esp32 wifi based microcontroller development board nodemcu - digilog.pk\"\u003eESP32 \u003c\/a\u003ebuilt in 8 ,relays , bi color led, one selector switch for any input \/ mode selection and a power switch.\u003cbr\u003eIt have builtin \u003ca href=\"\/products\/w5500-ethernet-tcp-ip-protocol-stack-spi-iot-compatible-wiz820io-shield\" title=\"W5500 ethernet module: simplify internet connectivity for embedded systems - digilog.pk\"\u003ew5500 \u003c\/a\u003eethernet module which enable this iot development board to connect with lan network. \u003c\/p\u003e\n\u003cp\u003eRelays are being controlled using \u003ca href=\"\/products\/74hc595n-shift-register-in-pakistan\" title=\"74hc595n 8 bit serial to parallel shift register ic in pakistan - digilog.pk\"\u003e75hc595 \u003c\/a\u003eshift register and \u003ca href=\"\/products\/uln2803-uln2803a-uln2803apg-ic-in-pakistan\" title=\"Uln2803 uln2803a uln2803apg ic in pakistan - digilog.pk\"\u003euln2803 \u003c\/a\u003eDarlington driver ic, here is its example code test relays functionality.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\/\/ Define pin numbers\u003cbr\u003econst int DATA_PIN = 32;  \/\/ Connect to the data (DS) pin of the 74HC595\u003cbr\u003econst int LATCH_PIN = 33; \/\/ Connect to the latch (ST_CP) pin of the 74HC595\u003cbr\u003econst int CLOCK_PIN = 25; \/\/ Connect to the clock (SH_CP) pin of the 74HC595\u003c\/p\u003e\n\u003cp\u003evoid setup() {\u003cbr\u003e  pinMode(DATA_PIN, OUTPUT);\u003cbr\u003e  pinMode(LATCH_PIN, OUTPUT);\u003cbr\u003e  pinMode(CLOCK_PIN, OUTPUT);\u003cbr\u003e}\u003c\/p\u003e\n\u003cp\u003evoid shiftOutData(byte data) {\u003cbr\u003e  \/\/ Shift out each bit of the data byte\u003cbr\u003e  for (int i = 7; i \u0026gt;= 0; --i) {\u003cbr\u003e    digitalWrite(DATA_PIN, (data \u0026gt;\u0026gt; i) \u0026amp; 1); \/\/ Set the data pin to the current bit\u003cbr\u003e    digitalWrite(CLOCK_PIN, HIGH);          \/\/ Pulse the clock pin (rising edge)\u003cbr\u003e    digitalWrite(CLOCK_PIN, LOW);           \/\/ Reset the clock pin (falling edge)\u003cbr\u003e  }\u003cbr\u003e}\u003c\/p\u003e\n\u003cp\u003evoid loop() {\u003cbr\u003e  \/\/ Cycle through the 8 LEDs (presumably connected to relays)\u003cbr\u003e  for (int ledNum = 0; ledNum \u0026lt; 8; ++ledNum) {\u003cbr\u003e    \/\/ Turn on the specific LED\u003cbr\u003e    shiftOutData(1 \u0026lt;\u0026lt; ledNum); \/\/ Shift out a single bit (LED on)\u003cbr\u003e    digitalWrite(LATCH_PIN, HIGH); \/\/ Latch the data (rising edge)\u003cbr\u003e    digitalWrite(LATCH_PIN, LOW);  \/\/ Reset the latch (falling edge)\u003cbr\u003e    delay(1000); \/\/ Wait for a short duration (e.g., 1000 ms or 1 second)\u003cbr\u003e    \u003cbr\u003e    \/\/ Turn off the LED\u003cbr\u003e    shiftOutData(0); \/\/ Shift out all zeros (LED off)\u003cbr\u003e    digitalWrite(LATCH_PIN, HIGH); \/\/ Latch the data again\u003cbr\u003e    digitalWrite(LATCH_PIN, LOW);\u003cbr\u003e    delay(1000); \/\/ Wait again\u003cbr\u003e  }\u003cbr\u003e}\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi and Bluetooth Connectivity\u003c\/strong\u003e: Connect to your home network via WiFi or control directly using Bluetooth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-Channel Relay Control\u003c\/strong\u003e: Manage up to 8 appliances independently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-Time Monitoring\u003c\/strong\u003e: Keep track of your devices through the Blynk App.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-Channel 5V Relays\u003c\/strong\u003e: Each relay can handle up to 10A, making it suitable for various devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicators\u003c\/strong\u003e: Clear visual feedback for relay status.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Setup:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity\u003c\/strong\u003e: Power up the board using a 5V DC supply. Pair it with your WiFi network or use Bluetooth for local control.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eUse Cases:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighting Control\u003c\/strong\u003e: Turn lights on\/off remotely or manually.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppliance Automation\u003c\/strong\u003e: Control fans, pumps, or other devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecurity Systems\u003c\/strong\u003e: Integrate with alarms or door locks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarden Irrigation\u003c\/strong\u003e: Set up watering schedules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose Our ESP32 Relay Board?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance\u003c\/strong\u003e: Built with quality components for long-lasting operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Digilog Electronics","offers":[{"title":"Default Title","offer_id":43962547568705,"sku":"b198","price":25000.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/ESP32Based8ChannelRelayBoardMicroControllerBoardInPakistanWiFiLANBluetooth.jpg?v=1779573077","url":"https:\/\/stem.pk\/products\/esp32-based-8-channel-relay-board-micro-controller-board-in-pakistan-wifi-lan-bluetooth","provider":"stem.pk","version":"1.0","type":"link"}