28123 Parallax Inc, 28123 Datasheet - Page 316

• Manufacturer Part Number: 28123
• Description: TEXT WHAT'S A MICROCONTROLLER
• Manufacturer: Parallax Inc
• Type: Programmingr

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

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