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2N4401

NPN General Purpose Amplifier
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Flip-Flop Flashers, Buzzers CIRCUIT (2N4401)
Flip-Flop Flashers, Buzzers CIRCUIT (2N4401)
This article describes the Flip-Flop Flashers, Buzzers CIRCUIT (2N4401). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components: 2N4401. Flip-Flop Fla...
Author:anonymous
Audio Amplifier Circuits (2N4401)
Audio Amplifier Circuits (2N4401)
This article describes the Audio Amplifier Circuits (2N4401). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components: 2N4401. Audio Amplifier Circuits...
Author:anonymous
2N4401-2N4403 Connection Diagram
2N4401-2N4403 Connection Diagram
This project uses a microcontroller programmed with software that is posted on the Gerns-back BBS at 516-293-2283 as part of RUNABOUT.ZIP. The robot can be controlled via a universal remote control.
Author:olina
Emergency Siren Simulator Using 2N4401 And 2N4403
Emergency Siren Simulator Using 2N4401 And 2N4403
When the pushbutton is depressed, the frequency of oscillation climbs to a peak and when the button is released, the frequency descends due to the rising and falling voltage on the 22 uF capacitor.
Author:olina
Controlling and Measuring With A Computer
Controlling and Measuring With A Computer
Controlling and Measuring With A ComputerIn this page, Ill explain how to control the AC line and relays, input and output voltage levels, and other similar things with the parallel port. If you are not familiar with the parallel port, and with the program DEBUG to control it, please refer to DEBUG ...
Author:anonymous
Electronic Thermometers for Brewers
Electronic Thermometers for Brewers
Electronic Thermometers for Brewers© Copyright 1996 by Ken Schwartz, kenbob@elp.rr.comHTML Conversion by Marty Tippin, martyt@pobox.com Copyright © 1996 -- Last Update: August 9, 1999Table of ContentsIntroductionSensing Temperature ElectonicallyReady-Made SensorsHomebrewed ThermometersDisp...
Author:anonymous
Alternative on-off switch circuit using 4069
Alternative on-off switch circuit using 4069
This circuit is a circuit diagram of alternative on-off, where the circuit instead of the standard on-off switch. Switching is very gentle. Circuit diagram using IC 4069. IC1 is the 4069 regular-type Hex inverter and built with the P-channel MOS and N-channel enhancement mode devices in a single mon...
Author:anonymous
4 Transistors FM Transmitter circuit diagram
4 Transistors FM Transmitter circuit diagram
The following diagram is the schematic diagram of 4 transistors FM transmitter circuit designed by Paul K. Sherby.Components List:R1,R2,R8 = 1KR3 = 100KR4 = 150KR5,R7 = 10KR6 = 220 ohmR9 = 10 ohmP1 = 5K trimpotD1 = 1N4002Q1,Q2 = 2N3904Q3,Q4 = 7001, NTE123APC1 = 1uF/63VC2,C3 = 10nFC4,C5,C9 = 4.7uF/63...
Author:anonymous