Voltage Vs Frequency|Ct Sensor|High Precision Measurement:Features ACS712ELC-05B/20A/30A chips for accurate 5A/20A/30A current sensing with 185mV/A/100mV/A/66mV/A resolution. Wide Operating Temperature Range:Operates reliably from -40°C to +85°C, suitable for diverse environments. ...
[FREQUENCY_BANDS]; void setup() { // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32 for (;;); // Don't proceed, loop forever } // Setup display display.clearDisplay(); display....
doublecoutoffFrequencies[FREQUENCY_BANDS]; voidsetup() { // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {// Address 0x3C for 128x32 for(;;);// Don't proceed, loop forever } // Setup display display.clearDisplay()...
display.setCursor(0, 10); display.println("Frequency: " + String(frequency) + " Hz"); display.println("Duty Cycle: " + String(dutyCycle) + " %"); display.display(); } // 计算频率的函数 float calculateFrequency(int *samples) {// 实现频率计算逻辑 } // 计算占空比的函数 float calcula...
Sharp->distance = map(v, voltage[index], voltage[index-1], distance[index], distance[index-1]); } } voidsetup() { Serial.begin(115200); } voidloop() { staticunsignedlonglastTime = millis(); if(millis() - lastTime > 1000/Sharp.frequency) { ...
double coutoffFrequencies[FREQUENCY_BANDS]; void setup() { // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32 for (;;); // Don't proceed, loop forever ...
Board for functionality similar to the Arduino Mega 2560. It is embed board, but the same stable, and uses the original chips ATmega2560 (16 MHz). The board used the chip CH340G as converter UART-USB. When you work in the frequency 12Mhz, giving a stable result of data exchange (need...
Sharp->distance = map(v, voltage[index], voltage[index-1], distance[index], distance[index-1]); } } void setup() { Serial.begin(115200); } void loop() { static unsigned long lastTime = millis(); if(millis() - lastTime > 1000/Sharp.frequency) { ...
int khz = 38; // 38kHz carrier frequency for the NEC protocol void setup() { Serial.begin(9600); display.begin(SSD1306_SWITCHCAPVCC); display.clearDisplay(); } void loop() { DHT.read11(DHT11_PIN); //Read the Temp and Humidity ...
double coutoffFrequencies[FREQUENCY_BANDS]; void setup() { // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32 for (;;); // Don't proceed, loop forever ...