Circuits & Schematics: metal detector - 2

Search for: "metal detector"
Search results: 253 Output: 11-20   Including: detector (148); metal (116).
  1. .. it is used to attach a heatsink) is connected to the Pin-2. It means you should never touch the heatsink or screw it to a metal enclosure! R4, R5, and C2 implement a snubber circuit [1] for the IC2 and C1 and R7 make a snubber circuit [ 1 ...
    .. points (the points where the wave changes its polarity) are important. To grab these points, we have to use a zero crossing detector. The Figure 2 demonstrates the schematic diagram of the whole circuit. Figure 2. Schematic diagram of the ...
    17-04-2024
  1. .. and cost effective for people who already have 24, or 48V renewable energy systems in place. Pictured above are most of the metal parts with the exception of the tail boom, tail vane bracket and the piece of pipe that fits between the yaw ...
    09-11-2010
  1. .. that can solve a difficult sensing problem in a surprisingly simple manner. For example, it can be used to turn a liquid-metal thermometer into the sensing element of a thermostat. Such thermometers are available with maximum temperatures ...
    23-03-2011
  2. .. 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 ...
    08-12-2007
  3. .. no rectifier diodes, the positive peak-detector circuits in figures 1 and 4 exploit the open-drain output of a Texas Instruments TLC372 fast comparator, ...
    25-07-2020
  4. An IR signal is seen by a reverse biased IR diode which produced an electrical signal according to the light intensity. This signal is then amplified trough a transistor and used to power an ordinary LED. This means that the LED will light up when ...
    13-11-2007
  5. This circuit is for detecting any audio signal with justable noise offset. It could be used to generate a radio mute signal eg. from a PDA. The circuit is consisting of: Input impedance Signal amplifier Rectifier Justable comparator (Noise offset). ...
    31-03-2008
  6. .. project started out as a gag project, a Nuclear War Detector. The idea was to make a device that would flash a little red light if a nuclear attack were underway or ...
    23-04-2008
  7. The Geiger counter is a pretty simple device to detect radiations. Many forms of radiations from radio elements (alpha, beta, gamma) can be detected but it is more sensitive to beta and gamma radiations. The Geiger-Muller tube is a simple device, ...
    27-09-2008
  8. Circuits Domestic LMC7211 LM358
    .. I would not recommend its use in direct sunlight. Two small PIN photodiodes positioned about one inch apart form a shadow detector. With no shadow cast on the devices, both devices produce nearly identical current levels. The current is ...
    31-03-2009

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