Unit Key 是一款内置RGB灯
的单按键输入
单元,按键轴体采用段落感极强的青轴
,键帽可替换,具备出色的机械触感与回弹效果。内嵌一颗SK6812可编程全彩RGB LED
,支持256级亮度显示
。单元引出两个数字IO接口用于按键状态获取与灯光控制。适于DIY各种需要按键输入交互的应用。
规格 | 参数 |
---|---|
供电电压 | DC 5V |
按键输出逻辑信号 | DC 3.3V |
待机电流 | DC5V@2mA |
工作电流 | DC5V@13mA |
净重 | 7.6g |
毛重 | 13.1g |
产品尺寸 | 40 * 24 * 22.6mm |
包装尺寸 | 90 * 135mm |
M5CORE - PORT B | G36 | G26 |
---|---|---|
UNIT Key | Btn Input | RGB LED Control |
#include <FastLED.h>
#include <M5Stack.h>
uint8_t ledColor = 0;
#define KEY_PIN 36
#define LED_PIN 26
CRGB LED[1];
void setup() {
M5.begin();
M5.Lcd.setTextSize(3);
M5.Lcd.print("\n UNIT-KEY Example\n\n Key State:");
/* Init key pin */
pinMode(KEY_PIN, INPUT_PULLUP);
/* Init RGB led */
FastLED.addLeds<SK6812, LED_PIN, GRB>(LED, 1);
LED[0] = CRGB::Blue;
FastLED.setBrightness(0);
}
void loop() {
/* If Key was pressed */
if (!digitalRead(KEY_PIN)) {
M5.Lcd.setCursor(75, 130);
M5.Lcd.print((" Pressed "));
FastLED.setBrightness(255);
FastLED.show();
/* Hold until the key released */
while (!digitalRead(KEY_PIN))
;
} else {
M5.Lcd.setCursor(75, 130);
M5.Lcd.println(("Released"));
FastLED.setBrightness(0);
FastLED.show();
}
delay(100);
}