Search Results for "resistor"
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Showing 29 open source projects for "resistor"
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resistor_selector
Standard Resistor Value Selector
Tool for finding closest 1% standard resistor value to a given resistance value. Resistance values can be entered with metric multipliers like 'k', 'M', etc. -
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QTronics ToolSet
A free, open-source electronics calculator suite for Linux
This program contains many tools for you to perform detailed electronic calculations. Ohms, Kirchhoff, Parralel Res., Voltage Divider, Wheatstone, Reistor Color, Zener diode, LED resistor, capacitor, inductor, transformer, capacitive reactance, Transformerless adaptor, R-C Time calculator, Flip-Flop, NE555 calculator, TL431 calculator, 78XX, LM317, Current Limiter, Transistor Regulator, Current Mirror, Battery charge calculations, transistor calculator, mosfet, pass filters, opamp, schmitt-trigger, signal generator, darlington-sziklai, ladder DAC, Long Tailed Pair, Buck-Boost, Logic Gates, Antenna Length, Trace Size, Decibell, Unit Converter, Cable Dia, Electronic Filters, 7 Segment digital, toroid core, smd code, resistor standard finder, heatsink calculator. ... -
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electro-slide
Electronics passive componants calculation forms (slide)
Starting idea was to calculate an Radio HF filter parts (using passive componants commonly used in reception and detection). But also to create them by yourself. (simple but fit to HF filter). Passives Componants : - capacitor - self - resistor - RLC filters -
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linNet
The Software for symbolic Analysis of linear Electronic Circuits
...The found formula is the Laplace transform of the dependencies of the voltages and currents in the circuit on the input voltages and currents. A linear electronic circuit is a combination of the supported basic devices; these are resistor, conductance, capacitor, inductivity, operational amplifier, voltage source (constant or controlled by another voltage or current), current source (constant or controlled by voltage or another current) or a current probe (i.e. a wire). The circuit is described by a netlist. The computed formulas can be used for further investigation of the circuit or for publications or didactic purpose. ... -
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QResistorCalculator
This is a reistor color calculator for debian/linux systems.
For now, I've only created a resistor color code calculator. But more will follow, and all modules will be integrated into a single platform. My Github: https://github.com/shampuan/QTronics-Toolset All my apps: https://sourceforge.net/u/shampuan/profile There's something even better here: https://sourceforge.net/projects/qtronics-toolset/ -
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octelec - Electronics calculations
Electronics calculations in GNU Octave
The "electronics" package for GNU Octave provides functions for electronics calculations. Select resistor or capacitor values from E3 to E192 series, convert two-port parameter sets, calculate operational characteristics (voltage gain, current gain, input impedance, output impedance) for two-port circuits connected to generator and load impedance, convert ratio to dB and vice versa, calculate parallel impedances, and round values to a number of significant leading digits. -
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ladder_attenuator_tool
Tool for design resistance ladder attenuator.
This tool designs a resistance ladder attenuator where each stage has equal attenuation using standard 1% resistor values. The termination resistance is specified as well as two out of three parameters with the third parameter designated a free variable. The three parameters as total attenuation, state attenuation and number of stages. -
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Precision_trimmer
Precision resistance value trim circuit using standard parts.
By using standard precision resistors in parallel and series with standard 1, 2, 5 multiple potentiometers, a precision, narrow range resistance trimmer can be created. Fixed resistors are more stable than potentiometers and the circuit reduces the effects of the potentiometer while also determining a precise range. For convenience, a Python script is used to assist in part selection. -
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10
AquarioPi
Automate the schedule of multiple remote controlled aquarium lights
AquarioPi is an IR controller that will change the light settings around the clock on multiple lights, and multiple brands of infrared (IR) remote controlled lights. All that's required is a Raspberry Pi, a resistor, an IR LED, and a breadboard or other type of circuit board or connection to the LED and resistor. Visit the AquarioPi Wiki for more information. -
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RunLengthGPIO
a computer interface to the Arduino I/O digital lines
...Three application programs are included: the first makes two digital pins act as a TTL-levels UART; the seconds turns the value of the input pins into an image; the third reads codes from infrared remotes with a photodiode and a resistor connected to one of the input pins. -
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jRCaLc
jRCaLc is a program designed to aid you in working with resistors.
jRCaLc is a resistor calculator outfitted with various tools, meant to aid in work related to resistors. -
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Resistor Value Identifier
Identify electronic resistor values
This HTML utility allows the user to select standard color codes or surface mount numbers, then it identifies the resistor value. There is no need to memorize color codes or multipliers. An online working example of this program can be used at ZoomAviation.com/programs. -
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Anti-theft alarm sysem based on Arduino
This system works under 5V DC power supply, it can realize infrared en
...Components list: 1.1× ICStation ATMEGA2560 Mega2560 R3 Board Compatible Arduino http://www.icstation.com/product_info.php?products_id=3517 2.1×USB Cable A-B Male to Female USB A to UAB B 3m for Arduino 3.1×1K ohm 1/4W 1% Accuracy Metal Film Resistor 4.1×5mm Infrared Emitting LED 5. 1×5mm Infrared Receiving LED 6. 1×Active Buzzer Module for Arduino 7.1×5mm DIP Round White Red Superbright Bulb Light LED 8. 1×5V power supply 9.1× 830 Point Solderless PCB Bread Board MB-102 Test DIY -
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Resistor Color Calculator
Just a basic 4 band resistor color calculator with chart.
Just a basic 4 band resistor color calculator with chart. -
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Teensy 3.0 UTFT Library
Utilizes digitalWriteFast() function for I/O pins.
...Most of the changes were to utilize the digitalWriteFast() function for I/O pins **HOW TO USE** WIRING Ensure all pins are hooked up correctly: DB0 - DB015 to Digital Pins RD pin connected to 3.3V LED-A pin connected to 5V via ~20 Ohm resistor Vcc to 3.3V & GND to GND SOFTWARE 1. Add all files/folders to a folder named UTFT inside "libraries" folder in Arduino main install folder. 2. Unzip the "examples.zip" & "tools.zip". 3. Restart Arduino software. 4. Open "HW_Teensy3.h" & change the const int PIN0 - PIN15 to correct I/O pins on the Teensy 3.0 that are attached to DB0-DB15 accordingly, then save the file. 5. ... -
17
gresistor
Models common, comercial resistors to calculate resistivity
This is a program which models common, comercial resistors to calculate resistivity of a resistor. -
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SchematicDrawer
Schematic drawer for Electronic / Engineering
Software running on Microsoft Windows that allow to draw electronic schematics. ie components linked by connections. The software handle many types of components from resistor and capacitor to Generic components. The extensible and configurable component library can include vector drawing components as well as bitmap images, allowing the software to cover other fields of engineering requiring connected schematics. The drawings are saved in XML and exported in pdf and Windows metafile formats. -
19
Tux Resistor
Electronics Tool to interpret Resistor Color Codes and viceversa.
Tux Resistor is an Interactive Electronics Tool which can be used to convert Resistor color bands to Resistor values and vice versa. -
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Rescol
Electronic design tool
Rescol is an electronic design tool able to assist designer of electronic circuir. It will start with simple function like resistor color graphical assist tool with E12, E24 standar values check. It is a mono C# gtk project realized using monodevelop and it is intended to be cross platform open source. -
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elbug - electronic keyer at serial port
elbug - simple c program for electronic morse key at the serial port
...Just compile it by 'gcc elbug.c -o elbug' or use the ready-compiled file and copy elbug to user/local/bin. /* Call it as root. */ How to cable your homebrew elbug? Middle pad: +9V battery via Resistor 2k Left contact: -> DCD (9-pin plug: 1) (25-pin plug: 8) Right contact: -> CTS (9-pin plug: 8) (25-pin plug: 5) Ground: -pole battery (9-pin plug: 5) (25-pin plug: 7) /* by Günther Montag , ex- dl4mge now maintained by Patrick Strasser OE6PSE (trapicki) now actual version also at https://github.com/trapicki/elbug */ -
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Value Of Resistance is a simple and easy to use, 4 band carbon resistance calculator. You can configure color of bands, tolerance and resistor body, to display resistor and its resistance.
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Open source firmware for the original kit set DJTechTools Midifighter. This is NOT compatible with Midi Fighter Classic MK2, Midi Fighter 3D, Midi Fighter Twister, or Midi Fighter Pro
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A resistor calculator for Palm OS. It easy to use, just drag the colors in the bands for calculating the resistor value. By Vladimir Rojas.