28029 Parallax Inc, 28029 Datasheet - Page 109

• Manufacturer Part Number: 28029
• Description: KIT PARTS SMART SENSORS W/TEXT
• Manufacturer: Parallax Inc

Specifications of 28029

• Accessory Type: Parts Kit
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: BASIC Stamp® or Javelin Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 28029PAR

The
Debug Terminal. The
display flicker, only the digits are erased before the new digits are printed. The
places the cursor at 138 (Line 0, character 10), then overprints the previous measurement
with five spaces. Then, it places the cursor at 138 again and displays the new degree
measurement with
This is repeated for the x and y measurements, but there only need to be four spaces
between quotes following cursor positions 152 and 159.
Your Turn - Rotation in the Opposite Direction
Diagrams that show the rotation angle increasing as the object rotates counterclockwise,
like Figure 3-24, are quite a bit more common than the clockwise diagram we used
previously.
√
√
√
√
√
DEBUG
' LCD Display Routine
SEROUT 14, 84, [ 138, "
Save VertWheelRotation.bs2 as VertWheelRotationLcd.bs2.
Insert the initialize LCD routine between the variable declarations and the
keyword.
Replace the
Change
Run the program and test your LCD rotation display.
Custom Character Definitions Remember, 248 defines Custom Character 0. 249 defines
Custom Character 1. 250 defines Custom Character 2, and so on, up to 255, which defines
Custom Character 7.
command that the
PAUSE 100
DEC
DEBUG
angle. Finally, it prints the degree sign with Custom Character 7.
SEROUT
152, "
159, "
command in the
to
PAUSE 350
SEROUT
command below only uses two. To minimize LCD
", 152, SDEC x,
", 159, SDEC y ]
", 138, DEC angle, 7,
command has to replace uses three lines in the
Chapter 3: Tilt with the Memsic Accelerometer · Page 97
.
DO
...
LOOP
with the LCD Display Routine.
Figure 3-24
Angle Measurement with
Counterclockwise Rotation
SEROUT
DO