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Thermometer Based on Dallas DS1621 - - A simple yet accurate thermometer that adds a "temperature icon" to the Windows taskbar. . .
. [Alberto Ricci Bitti]
Timer warns when pills are due -
- 05/10/01 EDN Design Idea Some people need to take medication at precise, regular intervals. When you're in a
hospital, a medical staff is present to ensure that you take your medication on time. But when you're taking
medication at home, you must frequently look at the clock-a clear annoyance. When my wife was pregnant, she
needed to take medication every two hours from 8 am to 10 pm. To help her time the two-hour intervals, I built
the battery-powered circuit in Figure 1. The circuit derives its power from a 9V PP3 battery. All the ICs are
CMOS-based; the low power consumption of the circuit allows one-week autonomy. When you press the start button,
BP1, a two-hour delay commences. . . [by J Terrade]
Tiny EEG interface
schematic - - Medical and health related electronic circuit
diagrams / circuit schematics. . .
Ultrasound
Imaging - - STMicroelectronics-Application. . .
Unplugged Power Cord Alarm - - Many medical devices, such a portable X-ray and ultrasound equipment, carry their own
batteries. However, the frantic pace of some hospital emergency rooms might cause the device to be shoved off
into a corner without being plugged back into an AC power source to recharge their batteries. So, I designed this
circuit to emit an audible alarm whenever the device’s power cord was unplugged from the wall for a period of
time . . . [Circuit by David Johnson P.E., 07/08/00]
Vital-signs monitor consumes less than 50µA - - 02/02/98 EDN Design Idea A remote data-acquisition circuit for monitoring a patient's
vital signs--pulse rate, respiration, and temperature--uses very little power as well as inexpensive sensors and
circuits (Figure 1). The. . . [by Leonard Schupak, Discovision Associates, Irvine, CA]
Voltage Measurements
in Biomedical Research - - Analog Devices-Analog Dialogue. .
. [by Franz, Rich]
Wart Zapper - - The Wart Zapper uses a single CMOS 7555 oscillator (IC1) , for dual purposes, as follows:
First, it pumps up a standard voltage tripler circuit, represented by the capacitor-diode network to the right of
IC1 in the circuit diagram. This takes the voltage up to about 25V, if not a little more. The purpose of
increasing. . . [Circuit designed by Rev. Thomas Scarborough]
Zapper for Electrotherapy - -
NOTE: Must register on this site. . . [Published in Elecktor July/Aug, 2010] |
