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Both the red light and infrared light is used to measure oxygen levels in the blood
thisenables the use of current limiting resistors to interface inputs to voltages in excess of VCC
In general
Insulation grade ：A
• 1 x Triangle Screwdriver (2
Development kit Digispark Attiny85, USB 386 Both the red light andIntroduction : One of the smallest Atmel processors, specifically Attiny85. It includes a USB connector and 6 I O pins. Programming can be done through Arduino IDE 1. 0 + (OSX Windows Linux) Features : Optional power supply via USB 5V or external 7 35V 500mA 5V controller on main board Built in USB 6 I O pins (two for USB support) 8k Flash memory (after loading 6 bootloader) I2C and SPI bus PWM on 3 pins ADC on 4 pins LED for Power Indication and Test
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