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Product Name: with Arduino sketch! AD Keypad 4 buttons keyboard ADC Analo key UNO MEGA2560 DUE
Module No.: KC11B04
Packing list:1 pcs 4 key Analog Buttons(With Pin Header )
Description:
1 Power Supply Voltage : 3-5V2 4 Buttons 1 Analog Output(AD Pin)3 PCB Size : 30x12mm4 Weight : 1.8gIdeal for linking up to your Ardiuno UNO Mini Nano Mega2560 etc,or others MCU ( AVR STM32 ARM7 ARM9 ARM10 PIC AT89C51 STC MSP430 FPGA CPLD etc.)

Circuit schematics :
Connection with Arduiuo UNO :
Arduiuo uno/mega2560 Code//******************************************************///*Arduiuo_4 key analog ButtonsThis example code is in the public domain.*/#define key1ValueMin 96#define key1ValueMax 106#define key2ValueMin 144#define key2ValueMax 159#define key3ValueMin 193#define key3ValueMax 213#define key4ValueMin 242#define key4ValueMax 255int adPin = A0; // select the input pin for the potentiometerint keyValue;int keyValue_r;int keyValue_rr;//key scanint key_scan(void){int adValue;int key;adValue = analogRead(adPin);//read ad ValueadValue = adValue / 4;if(adValue >= key1ValueMin && adValue <= key1ValueMax)// k1{key = 1;}else if(adValue >= key2ValueMin && adValue <= key2ValueMax)// k2{key = 2;}else if(adValue >= key3ValueMin && adValue <= key3ValueMax)// k3{key = 3;}else if(adValue >= key4ValueMin)// k4{key = 4;}else //Invalid value{key = 0;}return key;}void setup() {Serial.begin(9600);}void loop() {//Save three key scan valuekeyValue_rr = keyValue_r;keyValue_r = keyValue;keyValue = key_scan();//Three scanned values are the same, indicating that key is validif(keyValue > 0 && keyValue==keyValue_r && keyValue_r==keyValue_rr){Serial.print("keyValue = ");Serial.println(keyValue);}delay(100); //Each scan interval 100-200MS}//******************************************************//상품정보 제공고시
항목 번호. KC11B04 브랜드 Eletechsup 주요 하류 플랫폼 라자다 주요 판매 지역 중동 개인 브랜드를 승인 예 국경 간 수출이 독점적으로 가능한지 여부 예 -
배송/교환정보