Nokia 5110 LCD

      Pracovní napětí: 2.7-5V Podsvícenínapětí: 2.7-3.3V (plus odpor 330Ohm) Data interface: 2.7-5V     Pojmenování pinů: SCK or CLK or SCLK = Serial clock MOSI or DIN or DN = Serial data in DC  or D/C = Mode select RST –  Reset CS or CE –  or SCE = Chip select VCC – … Číst dál

Button bez rezistorů

/* Button Turns on and off a light emitting diode(LED) connected to digital pin 13, when pressing a pushbutton attached to pin 2. The circuit: * LED attached from pin 13 to ground * pushbutton attached to pin 2 from +5V * 10K resistor attached to pin 2 from ground * Note: on most Arduinos … Číst dál