28301 Parallax Inc, 28301 Datasheet - Page 7
28301
Manufacturer Part Number
28301
Description
DAUGHTERBOARD 3PIN I/O MOBO
Manufacturer
Parallax Inc
Datasheet
1.28301.pdf
(8 pages)
Specifications of 28301
Accessory Type
Daughter Board, Power and I/O Interface
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
MoBoStamp, MoBoProp
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Analog Output
The AVR offers two PWM outputs, which, with filtering, can be converted to an analog voltage. The
Propeller offers duty-cycle outputs, which can also be filtered to yield an analog voltage. The illustrations
below show a couple analog output configurations that yield a 0-5V output:
In each case, the op amp should be selected to accommodate rail-to-rail inputs and outputs.
Specifications
© Parallax, Inc. • PWR-I/O-DB (2006.09.13)
Circuit Board Size
Mounting Hole Centers
External Supply (optional)
+5V Supply from Motherboard (optional)
External device connectors
External Power Connector
DB 5V MB
DB 5V MB
Vin J1
Vin J1
Vdd = 5V
Vdd = 5V
Vdd = 3.3V
1.35” x 1.35”
1.00” square
6 – 9 VDC
4 – 5 VDC
0.025” square headers on 0.1” centers
2.1mm Coaxial
5.1K
10K
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