130-28176 Parallax Inc, 130-28176 Datasheet - Page 138

KIT PARTS PROCESS CONTROL

130-28176

Manufacturer Part Number
130-28176
Description
KIT PARTS PROCESS CONTROL
Manufacturer
Parallax Inc
Datasheets

Specifications of 130-28176

Accessory Type
Education Kit
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Board of Education Full Kit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Additional Components Required:
(1) 2N3904 Transistor
(1) 220 Ω resistor
(1) 1 kΩ resistor
Figure 4-26 Opto-Reflective Switch Using Darlington Pair - Schematic
Leave the ADC circuit on the board. It is not used in this activity but will be
again later. It is not shown in the schematic but remains in the wiring diagram.
Modify the circuit as shown in Figure 4-26 and Figure 4-27.

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