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Data Logging /
Acquisition Circuits Page 5
Data Acquisition / Logging: #-AB-CD-KL-NP-ST-Z Last Updated on:
Monday, October 03, 2011 06:08 PM
Links to electronic circuits,
electronic schematics, designs for engineers, hobbyists, students & inventors:
Passive Circuit Monitors Aes Data - 02/17/00 EDN-Design
Ideas..... EDN is migrating links. This link is not verified. Search
the "title" + EDN for new link.
RS232c Handshake Lines Transfer Data Frames - 10/23/97 EDN-Design
Ideas.....The asynchronous RS-232C interface is a simple, low-cost option for
interconnecting processor-based systems, but this character-oriented interface
supports no direct mechanism to transfer variable-sized messages as self-contained
data packets. However, you..... [Design Idea by SK Shenoy, Naval Physical &
Oceanographic Lab, Kochi, India]
Self-Powered Solar Data Logger - My project is a self-powered solar
data logger. Put out in the sunlight, it will measure the light level and log this
to memory to be later downloaded to a computer. The system is powered by a small
solar panel and battery….....
Serial Port A/D Converter - This circuit is a simple 8-bit analogue to
digital converter circuit which is connects to PC serial port. The circuit is
based on TLC548 A/D-converter chip (might be hard to get nowadays, Texas
Instruments makes this IC), which is an A/D-converter with serial output. The
output of the TLC548 is not directly suitable for standard serial data reception….
(electronic diagram added 6/03)
Simple Lie Detector (Aaron Cake) - Here's a simple lie detector that can
be built in a few minutes, but can be incredibly useful when you want to know if
someone is really telling you the truth. It is not as sophisticated as the ones
the professionals use, but it works. It works by measuring skin resistance, which
goes down when you lie. (electronic circuit added 4/05)
Square Root Function Improves Thermostat - 09/30/99 EDN-Design
Ideas.....Perhaps the most elementary rule of control-loop design theory is that
feedback-loop performance is fundamentally linked to the careful choice—and
stability—of loop gain. Insufficient loop gain leads to poor setpoint accuracy.
Too much gain can induce feedback instabilities,..... EDN is migrating links. This
link is not verified. Google the "title" EDN for new link.
