28122 Parallax Inc, 28122 Datasheet - Page 317
28122
Manufacturer Part Number
28122
Description
KIT WHAT'S A MICRO:PARTS ONLY
Manufacturer
Parallax Inc
Datasheet
1.28123.pdf
(340 pages)
Specifications of 28122
Accessory Type
Parts Kit
Product
Microcontroller Accessories
Core Processor
PIC16C57c
Flash
128 Bytes
Operating Supply Voltage
9 V
Board Size
31 mm x 16 mm
For Use With/related Products
Board of Education Full Kit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Page 312 · What’s a Microcontroller?
GENERIC DC SUPPLIES
For best results with the BASIC Stamp HomeWork Board or any of the Board of
Education Revisions, use a DC supply (also called an AC adapter) with the following
ratings:
Input
This depends on which country you live in and the amplitude and frequency of the AC
power at the wall outlets. For the USA and Canada, the input should be 120 VAC, 60
Hz.
Output
6 VDC, 800 mA
The mA rating can be higher. A 6 V, 1000 mA supply would be acceptable, for example.
Plug
The Board of Education has both a barrel jack, which can be connected to a barrel plug,
and a 9 V battery connector, which can be connected to a 9 V battery extension. The
HomeWork Board has only the 9 V battery connector.
Barrel Plug
Figure D-1 shows DC supply commonly used with the BASIC Stamp and Board of
Education. It has a 2.1 mm center-positive barrel plug along with the center positive
symbol that is evident on its label.
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