Display.begin(SSD1306_SWITCHCAPVCC, OLED_I2C_ADDR)) { Serial.println("SSD1306 allocation failed. isnan(temp)) { display.print(temp, 1); display.print(" C"); } else { display.print("--. - C"); } display.setTextSize(1); display.setCursor(80, 18); display.print("RH:"); if (readOk && !
eBay
The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface. This tiny little board does all work for Arduino tricks that you're familiar with: 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx.
eBay
eBay
Platform Arduino MPN Does Not Apply Marke SMW Brand Unbranded .
eBay
eBay
4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx. Running at 16MHz and 5V. connettore microUSB. Compatibile Arduino Micro / Leonardo / ProMicro. IDE S/W compatibile con Arduino Micro / Leonardo.
eBay
A 16MHz crystal oscillator. 1x Enclosure Case. It has USB connector & power jack. 1x Micro USB Cable. DC Current per I/O Pin Number: 40mA. DC Current for 3.3 V Pin: 50mA.
eBay
Micro USB: 1. Analog Input Channels: 5. Clock Speed: 16 MHz. Digital I/O Pins: 10.
eBay