{"product_id":"for-arduno-starter-kit-button-key-module-led-board-for-raspberry","title":"TB371 TB258 For Arduno Starter Kit Button Key Module \u0026 Led Board for Raspberry","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan color:=\"\" new=\"\" times=\"\"\u003e\u003cspan style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; text-size-adjust: auto;\"\u003eProduct Name:\u003c\/span\u003e fOR Arduino starter kit Button Key Module \u0026amp; LED Board for UNO Raspberry Pi Teensy++\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003ePacking list\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e(Does not include Arduino UNO)\u003c\/span\u003e:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e1 PCS  \u003cfont style=\"font-size: 14pt;\"\u003e\u003cspan class=\"hps\"\u003e4 button\u003c\/span\u003e\u003c\/font\u003e\u003cspan class=\"hps\"\u003e Board;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan font-size:=\"\" new=\"\" times=\"\"\u003e1 PCS 6 bit LED Board;\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/NzAwWDcwMA==\/z\/07UAAOSwR1xjIuyf\/$_10.JPG\"\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003eDescription: \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cdiv new=\"\" style=\"color: rgb(255, 0, 0); font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 14pt; line-height: normal; font-family: \" text-size-adjust:=\"\" times=\"\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: medium; line-height: normal; font-family: Simsun; text-size-adjust: auto;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003eCan be inserted directly into \u003c\/span\u003e\u003cspan color:=\"\" new=\"\" times=\"\"\u003eArduino uno mega2560 due,\u003c\/span\u003e\u003cspan new=\"\" times=\"\"\u003eIdeal for linking up to your  Arduino UNO Mini Nano Mega2560 Breadboard etc,or others MCU ( AVR STM32 ARM PIC AT89C51 STC MSP430 STM8 FPGA CPLD Raspberry Pi Teensy etc.)\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: medium; line-height: normal; font-family: Simsun; text-size-adjust: auto;\"\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cstrong font-size:=\"\" new=\"\" style=\"font-family: \" times=\"\"\u003ekey board:\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-variant-numeric: normal; font-variant-east-asian: normal; font-size: medium; line-height: normal; font-family: Simsun;\"\u003e\n\u003cdiv color:=\"\" new=\"\" style=\"font-size: 14pt; font-family: \" times=\"\"\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e1 \u003cspan class=\"hps\"\u003e4-button\u003c\/span\u003e \u003cspan class=\"hps\"\u003eCommon Cathode\u003c\/span\u003e \u003cspan class=\"hps\"\u003ekey module\u003c\/span\u003e .\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e2 \" GND K1 K2 K3 K4\" 4 PIN OUT  2.54mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e3 Size: 12.7MM x 33MM.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e\u003cstrong\u003eled board:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e1 6 bit \u003cspan style=\"color: rgb(255, 0, 0);\"\u003eRED\u003c\/span\u003e Common Cathode LEDS.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e   \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e2 7 PIN OUT 2.54mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e   \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e3 1K ohm \u003c\/span\u003e\u003cspan new=\"\" times=\"\"\u003eLimiting resistor\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e   \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e4 Power Supply Voltage: 3.3-12V;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e   \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e5 Size: 17.78MM x 11.43MM.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: medium; line-height: normal; font-family: Simsun; text-size-adjust: auto;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003eArduino uno\/mega2560 Code\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: medium; line-height: normal; font-family: Simsun; text-size-adjust: auto;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: medium; line-height: normal; font-family: Simsun; text-size-adjust: auto;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e\/\/******************************************************\/\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e \/*\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eArduino_3key_6led\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eThis example code is in the public domain.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e*\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/ Define key pin\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint K1 = 13;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint K2 = 12;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint K3 = 11;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint K4 = 10;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/ Define led pin\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint GND = 6;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint D1 = 5;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint D2 = 4;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint D3 = 3;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint D4 = 2;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint D5 = 1;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint D6 = 0;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/ variables will change:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint buttonState = 0; \/\/ variable for reading the pushbutton status\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/ the setup routine runs once when you press reset:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003evoid setup() {\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/ initialize the keys pin as an input.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(K1, INPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(K2, INPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(K3, INPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(K4, INPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/ initialize the leds pin as an output.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(GND, OUTPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(D1, OUTPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(D2, OUTPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(D3, OUTPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(D4, OUTPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(D5, OUTPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003epinMode(D6, OUTPUT);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/Activate key pin internal pull-up resistors\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(K1, HIGH);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(K2, HIGH);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(K3, HIGH);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(K4, HIGH);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/as LED GND\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(GND, LOW);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e}\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/ the loop routine runs over and over again forever:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003evoid loop() {\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ebuttonState = digitalRead(K1);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(D1, buttonState); \/\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ebuttonState = digitalRead(K2);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(D2, buttonState); \/\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ebuttonState = digitalRead(K3);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(D3, buttonState); \/\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ebuttonState = digitalRead(K4);\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(D4, buttonState); \/\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(D5, HIGH); \/\/ turn the LED on (HIGH is the voltage level)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edigitalWrite(D6, HIGH); \/\/ turn the LED on (HIGH is the voltage level)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e}\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e    \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e \/\/******************************************************\/\/\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Eletechsup Original Factory Official‌ Store ","offers":[{"title":"Default Title","offer_id":46537063628957,"sku":"TB371+TB258","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/10_03e9c4b9-2ae0-4979-8c4d-07d88518f129.jpg?v=1740749095","url":"https:\/\/eletechsup.com\/es\/products\/for-arduno-starter-kit-button-key-module-led-board-for-raspberry","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}