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The backpack uses a HT16K33 driver chip that does all the heavy lifting for you
30W adjustable temperature soldering iron (Model XY258) - with a temperature control on the side and indicator LED so you can go from standard to lead-free to silver solder
The motor and switch assembly is one piece (The motor
Using only two I2C pins
This chip is also strongly supported by libnfc
RasClock RTC for Raspberry Pi uart The backpack uses a HT16K33RasClock is a highly accurate real time clock (RTC) that fits on a Raspberry Pi and includes a battery backup. Battery is not included. Very accurate timekeeping (typically 3ppm or <2 minutes deviation per year). Integrated crystal that compensates for temperature and age. The module is installed directly into the GPIO header at the corner of the Raspberry Pi. It uses the 3. 3V, GND SDA and SCL pins. The module stays within the outline of the
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