1. the 5.5mm/2.1mm Plug fits the mega ac/dc adapter plug? It looks perfect.
Should I get the 8xAA, I ultimately have to drive 4 sensors and 5 motors.
2. How do I connect another gyro to I2C? pins 20 and 21 are the only ones that say SDA SCL.
// By default, uses I2C
// Alternately, you can use SPI, but you have to define the pins
#define GYRO_CS 4 // labeled CS
#define GYRO_DO 5 // labeled SA0
#define GYRO_DI 6 // labeled SDA
#define GYRO_CLK 7 // labeled SCL
Adafruit_L3GD20 gyro(GYRO_CS, GYRO_DO, GYRO_DI, GYRO_CLK);
Does ada have any thing equivalent to the miniboard power supply?
Does this mean connect CS on the gyro board to pin 4 on the mega? SA0 to pin 5 on the mega? etc.? there is only pins 2-13 available for SPI connectivity?
3. How many gyros can I connect to the mega? 1 thru I2C and 2 or 3 in SPI?
red center or black center?
How good a quality camera (approx. cost) is needed to take a picture of a circuit that will be usable online?
Then I integrated the z rotation angle to compute the absolute angle. The idea is that the gyroscope produces a delta angle (call it θ):
θ = ∫0t θt dt
do you mean milliseconds or microseconds?
At what rate is the mega sampling the gyro data? Is there a base clock rate thru the scl?
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