27220 Parallax Inc, 27220 Datasheet - Page 62

• Manufacturer Part Number: 27220
• Description: BOOK STAMPWORKS
• Manufacturer: Parallax Inc

Specifications of 27220

• Accessory Type: Booklet
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• For Use With/related Products: StampWorks
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Not applicable / Not applicable

Program: SW21-EX07-Light_Show.BS2
' {$STAMP BS2}
' {$PBASIC 2.5}
' -----[ Program Description ]---------------------------------------------
'
' Runs a small, multi-mode light show controller using six outputs (runs
' on LEDs, but with proper interfacing could run incandescent lamps).
' This program will require modifications (to the constants LoSpeed and
' Scale) when running on the BS2Sx, BS2p, or BS2px.
' -----[ I/O Definitions ]-------------------------------------------------
Lights
LightsDirs
Speed
LtMode
' -----[ Constants ]-------------------------------------------------------
LoSpeed
Scale
' -----[ Variables ]-------------------------------------------------------
rawSpd
delay
btnVar
mode
offset
rndVal
1. Using white wire, connect BASIC Stamp pins P0 – P5 to LEDs 0 – 5.
2. Plug a 0.1 µF (marked 104) capacitor into sockets C15 and C16.
3. Using white wire, connect socket A16 to BASIC Stamp P6.
4. Using a blackwire, connect socket A15 to the Vss (ground) rail.
5. Using white wire, connect socket B16 to the wiper (center terminal) of the
6. Using black wire, connect the Vss (ground) rail to the bottom terminal of the
7. Using white wire, connect BASIC Stamp pin P7 to a pushbutton.
10K potentiometer.
10K potentiometer.
VAR
VAR
PIN
PIN
CON
CON
VAR
VAR
VAR
VAR
VAR
VAR
OUTL
DIRL
6
7
10
$0163
Word
Word
Byte
Byte
Byte
Word
' light control outputs
' DIRS for lights outputs
' speed control Pot input
' mode select input
' low end of POT reading
' 1.3868 with */
' speed input from POT
' time between patterns
' workspace for BUTTON
' selected mode
' offset into patterns
' workspace for RANDOM