74HC165 Demo [SPIN]
A tutorial on using the 74HC165 Parallel to Serial shift register with the P8X32A MCU.
Christmas Light Control
posted in: Propeller Projects
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Here is a simple project which can turn your front yard / porch Christmas lights on automatically at dusk and can set them to flash when the temperature drops below a set point. You can build this simple project in just an hour or two.
Constant Current Load
posted in: Other Projects
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This project is a DIY constant-current load for testing DC power supplies or even batteries.
RN-42 Bluetooth to PC Demo
posted in: Parallax Videos
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This demo provides a two-way communication channel for a remote device which can receive telemetry and respond to commands.
RN-42 Bluetooth to PC Demo [P8X32A]
This demo provides an example of communication between the RN-42 Bluetooth Module and another device capable of supporting Bluetooth SPP, such as a PC or Smartphone.
PIR Triggered Relay Circuits
This tutorial describes how you can turn on a light when motion is detected, just like those outdoor motion-sensing lights do, and all without writing a single line of code.
Relay Driver Circuits
A collection of circuits for driving relays in your projects.
XBee Module Line-Up (Product Overview)
posted in: Parallax Videos
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Ever been confused about which XBee wireless product is right for your project? I help explain how to choose what is right for you.
Build A Better Mousetrap V2
posted in: Arduino Projects
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Version 2 is a simpler recreation of the original Build A Better Mousetrap.
DS1620 Serial LCD Demo [BS2]
An example of displaying the day, date and time from a DS1302 and the temperature from a DS1620 on a serial LCD.
