That value, stored insensorValue, is used to set adelay()for your blink cycle. The higher the value, the longer the cycle, the smaller the value, the shorterthe cycle. The value is read at the beginning of the cycle, therefore the on/off time is always equal. 存储在传感器值 sensorVal...
The Display.rect command draws a rectangle with bottom left coordinates at 0,0, and the size of the rectangle which is equal to the display screen size. Next is a circle. All that is required here is to fill the display with the desired color, which, in this case, is blue. We then...
to ope ra te in the ana k)g realm (through tricks). Here's how to dea l with tllings that aren't digital. ,-.- (equa I to) (eg. 12 == 10 i. FAlSE"r 12 == 12 is TRUO) (not equal to) (eg. 12!= 10 is TIlUE". 12!= 12 is FAlSE) < (less than) (eg...
bymyELM327.nb_rx_statebeing equal toELM_GETTING_MSG. If the status is not equal to either of these values (ELM_SUCCESS or ELM_GETTING_MSG), it indicates an error has occurred. You can callmyELM327.printError()to check what the problem was. See the simple example below which queries ...
A load cell + HX711 module without weight gives a raw value, mostly not equal to zero. The functionget_tare()is used to measure this raw value and allows the user to define this value as a zero weight (force) point. This zero point is normally without any load, however it is possibl...
Reads a digital input on pin 2, prints the result to the Serial Monitor 从针脚 2 读取数字输入,并打印至串口监视器。 This example code is in the public domain. 此代码示例位于公共域中。 https://www.arduino.cc/en/Tutorial/BuiltInExamples/DigitalReadSerial ...
operators: Comparison Operators: x y x is equal to y x y x is not equal to y x lt y x is less than y x gt y x is greater than y x lt y x is less than or equal to y x gt y x is greater than or equal to y Warning: Beware of accidentally using the single equal sign...
Drain to sink resistance when MOSFET is fully turned on (Rds (on)). This is provided under certain gate to sink bias Vgs. Normally expect this to be around 0.032Ohm, however the smaller the better. If you choose some MOSFET with Rds (on) equal to 0.3Ohm or so, due to motors running...
When the mouse is clicked in the Processing window, sendMessage will be called with index equal to the vertical position of the mouse in the window when clicked and value equal to the horizontal position. The window size was set to 200,400, so index would fit into a single byte and valu...
Other operators to test values are < (less than) > (greater than) <= (less than or equal to) >= (greater than or equal to) != (not equal to). Inside of your if-statement, you can also uselogical operators (Boolean operators), to check multiple conditions: && (and), || (or)...