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L7812CV +Ve Voltage Regulator (12V -1A) is a three terminal linear voltage regulator IC with a fixed output voltage of 12V which is useful in a wide range of applications
There is an onboard micro-SD card slot
long service life and reliable stability
a 256R voltage divider with analog switch tree and a successive approximation register
Operating Voltage : 3V to 6V
SparkFun 16 Output I/O Expander Breakout - SX1509 K-Thermocouple L7812CV +Ve Voltage Regulator (12VIntroduction : SparkFun 16 Output I O Expander Breakout SX1509 is a 16 channel GPIO expander with an I2C interface that means with just two wires, your microcontroller can interface with 16 fully configurable digital input output pins. SparkFun 16 Output I O Expander Breakout SX1509 can do so much more than just simple digital pin control. It can produce PWM signals, so you can dim LEDs. SparkFun 16 Output I O Expander Breakout SX1509 can also act as