28123 Parallax Inc, 28123 Datasheet - Page 316
28123
Manufacturer Part Number
28123
Description
TEXT WHAT'S A MICROCONTROLLER
Manufacturer
Parallax Inc
Type
Programmingr
Datasheet
1.28123.pdf
(340 pages)
Specifications of 28123
Style
Book
Title
What's a Microcontroller?
Contents
Whats a Microcontroller? Text
Product
Microcontroller Accessories
Core Processor
PIC16C57c
Flash
128 Bytes
Operating Supply Voltage
9 V
Board Size
31 mm x 16 mm
Lead Free Status / RoHS Status
Not applicable / Not applicable
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Appendix D: Batteries and Power Supplies
9 V BATTERIES
For best results, 9 V batteries are recommended.
PARALLAX DC SUPPLIES
Parallax carries several power supplies that can be used with the Board of Education Rev
C only. For the servo experiments in this text, the jumper between the X4 and X5 servo
headers should be set to Vdd. The supplies listed in Table D-1 are designed for AC
outlets in the USA, and both have 2.1 mm center-positive barrel plugs that connect to the
Board of Education’s barrel jack.
Table D-1: Power Supplies You Can Get from Parallax, Inc.
Parallax Part #
750-00008
750-00009
•
9 V battery specifications: Look for batteries with ratings similar these:
Not Rechargeable
Alkaline
VAC
120
120
Rechargeable
For best results, the battery’s milliamp hour (mAh) rating should be
100 or higher.
Not all chargers work for both types of batteries. Make sure that
your charger is recommended for the battery you are using (either
Ni-Cad or Ni-MH).
Follow all battery and charger instructions and caution statements.
•
•
Ni-Cad (Nickel Cadmium)
Ni-MH (Nickel Metal Hydride)
Input
Hz
60
60
VDC
7.5
9
Output
1000
300
mA
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