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  2. Silicone rubber keypad - Wikipedia

    en.wikipedia.org/wiki/Silicone_rubber_keypad

    Also the contact resistance can be customized based on electronics need where contact pills can be of different resistance. A general carbon pill can be of around 20 to 100 ohms, a low resistance contact pill can be up to 10 ohms. Gold or Supra-Conductive pills can be used to obtain a resistivity as low as 1 ohm.

  3. List of keyboard switches - Wikipedia

    en.wikipedia.org/wiki/List_of_keyboard_switches

    Switch name Cherry MX equivalent Switch Type Actuation force ... 2.4 mm 4.0 mm 50 million Gateron Gateron Reds [21] Cherry MX Reds Linear 0.45 N N/A 2.0 mm

  4. L pad - Wikipedia

    en.wikipedia.org/wiki/L_pad

    An L pad used to match a source to a load of a different impedance. If a source and load are both resistive (i.e. Z1 and Z2 have zero or very small imaginary part) then a resistive L pad can be used to match them to each other. As shown, either side of the L pad can be the source or load, but the Z1 side must be the side with the higher ...

  5. Attenuator (electronics) - Wikipedia

    en.wikipedia.org/wiki/Attenuator_(electronics)

    Pad will include pi-pad, T-pad, L-pad, attenuator, and two-port. Two-port will include pi-pad, T-pad, L-pad, attenuator, and two-port. Input port will mean the input port of the two-port. Output port will mean the output port of the two-port. Symmetric means a case where the source and load have equal impedance.

  6. Contact resistance - Wikipedia

    en.wikipedia.org/wiki/Contact_resistance

    The units of specific contact resistivity are typically therefore in ohm-square metre, or Ω⋅m 2. When the current is a linear function of the voltage, the device is said to have ohmic contacts. Inductive and capacitive methods could be used in principle to measure an intrinsic impedance without the complication of contact resistance.

  7. Multiway switching - Wikipedia

    en.wikipedia.org/wiki/Multiway_switching

    In contrast to a simple light switch, which is a single pole, single throw (SPST) switch, multiway switching uses switches with one or more additional contacts and two or more wires are run between the switches. When the load is controlled from only two points, single pole, double throw (SPDT) switches are used.

  8. T pad - Wikipedia

    en.wikipedia.org/wiki/T_pad

    The T pad is a specific type of attenuator circuit in electronics whereby the topology of the circuit is formed in the shape of the letter "T". Attenuators are used in electronics to reduce the level of a signal.

  9. D-subminiature - Wikipedia

    en.wikipedia.org/wiki/D-subminiature

    In other words, one DA-15S game adapter connector has 4 analog potentiometer inputs and 4 digital switch inputs. This interface is strictly input-only, though it does provide +5 V DC power. This interface is strictly input-only, though it does provide +5 V DC power.