{"product_id":"8-channel-infra-red-remote-control-arduino-shield-using-uln2803","title":"8 Channel Infra-Red Remote-Control Arduino Shield Using ULN2803","description":"\u003cp\u003eThis is an 8 channel infra-red remote-control Arduino shield that can drive 8 high current loads such as LEDs, solenoids, multiple toy DC Motors, dual unipolar stepper motor, filament lamps, etc. Each channel consists of two parallel NPN transistors with freewheel diodes which are important to drive inductive loads like motors. The shield consists of 2 x\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eULN2803\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eChips, Infrared receiver\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTSOP1838,\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etrimmer potentiometer, 4 tactile switches with pull-down resistors. The shield is compatible with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eArduino UNO\u003c\/strong\u003e. Arduino code is also provided to test the shield. I have used a cheap IR remote to test this shield, this remote transmit NEC code but any other remote can be used with this shield and it will require to decode the remote switches.\u003c\/p\u003e\n\u003cp\u003eFurther details on decoding IR Remote is available here:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/randomnerdtutorials.com\/arduino-ir-remote-control\/\"\u003ehttps:\/\/randomnerdtutorials.com\/arduino-ir-remote-control\/\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Operating voltage of this circuit is 12V DC hence it can drive load up to 12V, for higher voltage 12V to 50V operation remove jumper J1, change capacitor C2, and C4 to higher voltage and use CN2 to power the load, in this case, Arduino will require 5V USB power or DC jack power.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoad Supply 12V DC (For Supply 12 to 50V Read Note)\u003c\/li\u003e\n\u003cli\u003e8 X 1Amps Load (1Amp Peak)\u003c\/li\u003e\n\u003cli\u003eTSOP1838 Infra-Red Receiver\u003c\/li\u003e\n\u003cli\u003e4 Tactile Switches with pull-down resistors\u003c\/li\u003e\n\u003cli\u003eOn-Board Trimmer Pot\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 51.38MM x 36.26MM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConnections\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConnector CN1: Load 1, Load2, Load3, Load 4\u003c\/li\u003e\n\u003cli\u003eConnector CN3: Load5, Load6, Load7, Load 8\u003c\/li\u003e\n\u003cli\u003eConnector CN1: DC power 12V for Arduino and Load.\u003c\/li\u003e\n\u003cli\u003eConnector CN2: Load Supply 12V-50V (Remove J1 Jumper If 12-50V Load Power Supply is used)\u003c\/li\u003e\n\u003cli\u003eJumper J1: Close this Jumper for 12V Supply from Arduino DC Jack or CN2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eArduino Pins Description\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eD2\u0026gt;\u0026gt;OP5 Load, D3\u0026gt;\u0026gt;OP6 Load, D4\u0026gt;\u0026gt;OP7 Load, D5\u0026gt;\u0026gt;OP8 Load, D6\u0026gt;\u0026gt;OP1 Load, D7\u0026gt;\u0026gt;OP2 Load, D8\u0026gt;\u0026gt;OP3 Load, D9\u0026gt;\u0026gt;OP4 Load\u003c\/li\u003e\n\u003cli\u003eA0\u0026gt;\u0026gt; Tactile Switch 1, A1\u0026gt;\u0026gt; Tactile Switch 2, A2\u0026gt;\u0026gt; Tactile Switch 3, A3\u0026gt;\u0026gt; Tactile Switch 4\u003c\/li\u003e\n\u003cli\u003eA5\u0026gt;\u0026gt; Trimmer Potentiometer\u003c\/li\u003e\n\u003cli\u003eD1 (TX)\u0026gt;\u0026gt; Infra-Red Receiver TSOP1838\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInfra-Red Remote-Control LED Driver\u003c\/li\u003e\n\u003cli\u003eInfra-Red Remote-DC Motor Driver\u003c\/li\u003e\n\u003cli\u003eInfra-Red Remote-Unipolar Stepper Motor Driver\u003c\/li\u003e\n\u003cli\u003eInfra-Red Remote-Solenoid Driver\u003c\/li\u003e\n\u003cli\u003eInfra-Red Remote-High Current Relay Driver\u003c\/li\u003e\n\u003cli\u003eInfra-Red Remote-RGB LED Strip Drivers\u003c\/li\u003e\n\u003cli\u003eLED Sequencer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47196723839148,"sku":"H101","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/H101.jpg?v=1789276687","url":"https:\/\/dotfry.com\/products\/8-channel-infra-red-remote-control-arduino-shield-using-uln2803","provider":"dotfry","version":"1.0","type":"link"}