负载电流 = 负载电流 / 平均值; load_current = (load_current* MAX_VOLT) / 1024; load_current = (load_current / opamp_gain) / load_resistor; 返回负载电流; } 浮动读取电压(无效){ load_voltage = 0; for (int a = 0; a <平均值; a++){ load_voltage = load_voltage + analogRead(voltag...
begin(9600); // setup serial } void loop() { val = analogRead(analogPin); // read the input pin Serial.println(val); // debug value } RPI Pico的ADC是12Bits的,使用的参考电压是3.3V,所读的值对应的电压可以参照 公式voltage=3.3*value/4096 进行计算。 上例要想用于RPI Pico,只需简单的...
pinMode(A0,INPUT); pinMode(2,INPUT); pinMode(3,INPUT); startstage1(); startstage2(); // analogReference(INTERNAL); 4.这是代码的主要部分,它将重复运行。稍后将介绍所涉及的功能或过程。 void loop() { // put your main code here, to run repeatedly: // startstage1(); // startstage2(...
intnewHeight = 0; intnewMax = 0; // 计算实际分贝 if(median[i] > 0 && max[i] > 0 ) { newHeight = 20.0 * (log10(median[i] ) - reference); newMax = 20.0 * (log10(max[i] ) - reference); } // 调整最小和最大级别 if(newHeight < 0 || newMax < 0) { newHeight = ...
pinMode(PWM_PIN4, INPUT);//方向输入D6 //---//2.IMU校准//--- //闪烁提示开始校准,校准时LED常亮 pinMode(LED_BUILTIN, OUTPUT); digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level) delay(500); // wait for a second digitalWrite(LED_BUILTIN, LOW); /...
5、Dielectric voltage 耐电压:1 Minute at AC 250V 三、SWITCH CHARACTERISTICS 开关规格 1、Operating force 开关按压力:740±300gf 2、Contact resistance 接触阻抗:100mΩ Max 3、Rating power 额定功率:DC12V 50mA 四、ENDURANCE CHARACTERISTIC 耐久特性 ...
displayPeak[i] = map(peakToPeak[i], 0, 1023, 0, maxScale); // Show to led matrix displayLed(displayPeak[i], i); // Led drop down if(displayPeak[i] >= temp[i]) { temp[i] = displayPeak[i]; } else{ temp[i]--;
newMax = 20.0 * (log10(max[i] ) - reference); } // 调整最小和最大级别 if (newHeight < 0 || newMax < 0) { newHeight = 1; newMax = 1; } if (newHeight >= SCREEN_HEIGHT - 2) { newHeight = SCREEN_HEIGHT - 3; } if (newMax >= SCREEN_HEIGHT - 2) { newMax = SCREE...
有个神奇的地方,ESP的芯片有专门控制LED的外设,又因为控制LED就是控制的PWM,舵机的控制也是PWM,所以很自然的就会想到用LED的外设去控制舵机。 可以参考官方的文档 LED 控制 (LEDC) 外设主要用于控制 LED 的强度,但也可用于生成 PWM 信号以用于其他目的。它有 16 个通道,可以生成独立的波形,例如用于驱动 RGB LED...
feat(zigbee): Add battery voltage attribute support by @P-R-O-C-H-Y in #11210 Use CONFIG_BT_BLUEDROID_ENABLED for enabling by @Jason2866 in #11214 refactor(rmt): refactored RMT loopback example by @SuGlider in #11221 fix(usb): uninitilized variable warning message by @SuGlider in #1...