37款传感器与执行器的提法,在网络上广泛流传,其实Arduino能够兼容的传感器模块肯定是不止这37种的。鉴于本人手头积累了一些传感器和执行器模块,依照实践出真知(一定要动手做)的理念,以学习和交流为目的,这里准备逐一动手尝试系列实验,不管成功(程序走通)与否,都会记录下来—小小的进步或是搞不掂的问题,希望能够抛砖引...
{ byte numberOfReadings = 8; unsigned int runningValue = 0; for (int x = 0 ; x < numberOfReadings ; x++) runningValue += analogRead(pinToRead); runningValue /= numberOfReadings; return (runningValue); } //The Arduino Map function but for floats //From: http://forum.arduino.cc/...
feat(zigbee): Add range extender device endpoint by @P-R-O-C-H-Y in #10970 feat(zigbee): Add Analog endpoint device (input, output, value clusters) by @pwclay in #10950 fix(zigbee): use correct pressure cluster function in setTolerance by @oddlama in #11008 feat(zigbee): Add Zigb...
17.3 shiftOut() 17.4 shiftIn() 17.5 pulseIn() 十八、时间 18.1 millis() 18.2 micros() 18.3 delay() 18.4 delayMicroseconds() 十九、数学运算 19.1 min() 19.2 max() 19.3 abs() 19.4 constrain() 19.5 map() 19.6 pow() 19.7 sqrt() 19.8 ceil() 19.9 exp() 19.10 fabs() 19.11 floor() 19.1...
Fix WMath's map() implementation for inverse/round-trip mapping (#7027) Fix optimistic_yield to not yield on each call after x µs (#6804) Updated stack offsets for postmortem stack dump (#7066) Corrected stack start and end in stack_thunk_dump_stack() (#7085) configTime(tzsec,dst...
void loop() { int val = analogRead(0); //读取0口的值 val = map(val, 0, 1023, 0, 255);//从0-1023映射到0-255 analogWrite(9, val);//把映射后的值写给9口 } Appendix 附录 For the mathematically inclined, here's the whole function 对于数学上来说,这是整个函数 long map(long x, ...
17.4 shiftIn() 17.5 pulseIn() 十八、时间 18.1 millis() 18.2 micros() 18.3 delay() 18.4 delayMicroseconds() 十九、数学运算 19.1 min() 19.2 max() 19.3 abs() 19.4 constrain() 19.5 map() 19.6 pow() 19.7 sqrt() 19.8 ceil() 19.9 exp() ...
display.drawBitmap(64, 16, str3, 16, 16, 1); //画出字符对应点阵数据 display.drawBitmap(80, 16, str4, 16, 16, 1); //画出字符对应点阵数据 display.display();//开显示 } void loop() { } 实验之十:滚动显示字符“Hello World!” ...
字体为fontgetCursorX(void)getCursorY(void)获取光标位置，X，YsetTextSize(uint8_t s)设置文本大小，S是1-7之间的数字setTextColor(uint16_t c)设置文本的颜色setTextColor(uint16_t c, uint16_t b)设置文本的颜色及其背景setPivot(int16_t x, int16_t y)getPivotX(void)getPivotY(void)setBitmap...
//The Arduino Map function but for floats //From: http://forum.arduino.cc/index.php?topic=3922.0 float mapfloat(float x, float in_min, float in_max, float out_min, float out_max) { return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min; ...