{"product_id":"10-stuks-tb371-4-toets-mcu-toetsenbordknop-board-compatibel-uno-mega2560-pro-mini-nano-due-voor-raspberry-pi-teensy-geekcreit-voor-arduino-producten-die-werken-met-officieel-voor-arduino-board-s_16617","title":"10 Stuks 4-toets MCU toetsenbordknop board compatibel met Arduino en Raspberry Pi","description":"\u003cdiv\u003e\u003cspan style=\"font-size: 16px\"\u003e\u003cspan style=\"font-weight: bolder\"\u003eBeschrijving:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e1. Veelgebruikte kathodetoetsmodule met 4 knoppen (bij indrukken, uitgang laag niveau).\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e2. Aansluitingen: GND, K1, K2, K3, K4 (4 PIN UIT 2,54 mm).\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e3. Werkspanning: DC 0-48V.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e4. Afmetingen: 12,7 x 33 mm.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size: 14px\"\u003e5. Kan rechtstreeks worden aangesloten op Arduino Uno, Mega2560, Due, en andere microcontrollers zoals Raspberry Pi, Teensy, en meer.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 16px\"\u003e\u003cspan style=\"font-weight: bolder\"\u003eSchema:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;line-height: inherit\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 16px\"\u003e\u003cspan style=\"font-weight: bolder\"\u003eArduino Uno\/Mega2560 Code\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e******************************************************\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e*\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eArduino_4key_uart\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eDeze voorbeeldcode is beschikbaar in de publieke repository.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e*\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eDefinieer de sleutelpen:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eint K1 = 13;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eint K2 = 12;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eint K3 = 11;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eint K4 = 10;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eVariabelen:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eint buttonState = 0; \/\/ variabele voor het lezen van de drukknop\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eDe setup-routine wordt eenmaal uitgevoerd bij reset:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003evoid setup() {\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003epinMode(K1, INPUT);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003epinMode(K2, INPUT);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003epinMode(K3, INPUT);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003epinMode(K4, INPUT);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003edigitalWrite(K1, HIGH);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003edigitalWrite(K2, HIGH);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003edigitalWrite(K3, HIGH);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003edigitalWrite(K4, HIGH);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eSerial.begin(9600);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e}\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eDe looproutine draait continu:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003evoid loop() {\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ebuttonState = digitalRead(K1);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eif (!buttonState) Serial.print(\"k1\\n\");\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ewhile (!buttonState); \/\/ Wacht tot de knop is losgelaten\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ebuttonState = digitalRead(K2);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eif (!buttonState) Serial.print(\"k2\\n\");\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ewhile (!buttonState);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ebuttonState = digitalRead(K3);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eif (!buttonState) Serial.print(\"k3\\n\");\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ewhile (!buttonState);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ebuttonState = digitalRead(K4);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003eif (!buttonState) Serial.print(\"k4\\n\");\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003ewhile (!buttonState);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003edelay(100);\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px\"\u003e}\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan style=\"font-size: 14px\"\u003e******************************************************\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 16px\"\u003e\u003cspan style=\"font-weight: bolder\"\u003ePakket bevat:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e10 x 4-toets MCU toetsenbordknop board\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-inline-gallery\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0927\/2003\/8224\/files\/HTB1CdiHGpXXXXb6aXXXq6xXFXXXG.webp?v=1779851207\" loading=\"lazy\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0927\/2003\/8224\/files\/ce9ef267-bfe2-4eae-b190-09d9e535d591.jpg?v=1779851214\" loading=\"lazy\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0927\/2003\/8224\/files\/c1f554b6-d9df-49fa-a80c-c6f99f7a4331.jpg?v=1779851220\" loading=\"lazy\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0927\/2003\/8224\/files\/7cc9a8ea-9009-4791-87f5-58e3957284e2.jpg?v=1779851227\" loading=\"lazy\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0927\/2003\/8224\/files\/dfba6a85-9053-411b-b0c9-953907e374d1.jpg?v=1779851235\" loading=\"lazy\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0927\/2003\/8224\/files\/98002699-11ee-4773-b378-7082e9ff6899.jpg?v=1779851243\" loading=\"lazy\" alt=\"\"\u003e\n\u003c\/div\u003e","brand":"AllesXL","offers":[{"title":"Standaard","offer_id":53072880140624,"sku":"ALXNL7639387996327","price":29.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/2003\/8224\/files\/HTB1CdiHGpXXXXb6aXXXq6xXFXXXG.webp?v=1779851207","url":"https:\/\/allesxl.com\/products\/10-stuks-tb371-4-toets-mcu-toetsenbordknop-board-compatibel-uno-mega2560-pro-mini-nano-due-voor-raspberry-pi-teensy-geekcreit-voor-arduino-producten-die-werken-met-officieel-voor-arduino-board-s_16617","provider":"allesxl","version":"1.0","type":"link"}