bigdogguru
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Today, 10:25BradtheRad replied to a thread water flow detection in a pipe in Hobby Circuits and Small Projects ProblemsTry a microphone in contact with the pipe. When flow rate becomes fast enough water makes a noise in pipes, say 1/2 to 1 inch diameter. It's most...4 replies | 91 view(s) -
Yesterday, 21:42andre_teprom replied to a thread PIC16F877 interface with ds1307 ...RTC running 10 sec slow in MicrocontrollersCongratulations, you just realized that there are no problems regarding to the original issue. No, you point out exactly the problem, if any.9 replies | 417 view(s) -
Yesterday, 17:07Consider using 2 of the modern Energizer Advanced Lithium type. The AA size puts out 1.8 volt new (regardless of being labelled 1.5V). The...3 replies | 194 view(s)
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Yesterday, 07:10All evidence favors the long wire antenna. I suppose we would say the longer the better... And then I wonder if we should add, within reason?...6 replies | 244 view(s)
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Yesterday, 06:04BradtheRad replied to a thread How to adapt (normally) PCI Express x1 to work in PCIe Mini Slot in PCB Routing Schematic Layout software and SimulationSince 'Link reactivation' stands out... Could it have to do with either: performing startup process again, or to restore recognition of a device/...3 replies | 326 view(s)
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31st March 2020, 20:19BradtheRad replied to a thread Off-the shelf transformer for push pull converter in Power ElectronicsTo carry a desired spec Watt level, the transformer needs to have: sufficient metal thick enough wire gauge correct number of turns per winding...8 replies | 354 view(s)
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31st March 2020, 12:45The commercial AM band. For long wavelengths it's better (theoretically) to have a longer antenna high in the air as is practical. But then...6 replies | 244 view(s)
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31st March 2020, 12:14BradtheRad replied to a thread Off-the shelf transformer for push pull converter in Power ElectronicsA simulator makes it easy to experiment with component values. My simulation provides insight about the primary winding inductance value. (Although...8 replies | 354 view(s)
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31st March 2020, 08:30BradtheRad replied to a thread Circuit with an integrated FLIP FLOP in Hobby Circuits and Small Projects ProblemsSince output changes after a time (although inputs are unchanging)... Then it suggests there's a capacitor and resistor creating a time delay. This...9 replies | 404 view(s)
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31st March 2020, 01:08BradtheRad replied to a thread computer parallel port external relay control in Hobby Circuits and Small Projects ProblemsProgress means we gain something but something may be lost too. With parallel ports gone, we wonder how to send control signals from modern...9 replies | 391 view(s)
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30th March 2020, 19:10BradtheRad replied to a thread Samsung GT-P5210 10.1 inch Tablet repair in Service Manuals, Requests, Repair TipsIt's essential that you measure voltage coming from the charger when it's plugged into the tablet. It may not be easy to find suitable test points. ...1 replies | 187 view(s)
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30th March 2020, 17:27andre_teprom replied to a thread PIC16F877 interface with ds1307 ...RTC running 10 sec slow in MicrocontrollersYou didn't mention before this was in a simulation environment; check messages on the log tab, or at status bar, it clearly states something like...9 replies | 417 view(s)
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30th March 2020, 02:35BradtheRad replied to a thread Dimmer lamp 220v ac (resistor values) in Elementary Electronic QuestionsSimilar projects are discussed in related threads listed further down this page. A halogen bulb is different from ordinary incandescent type....2 replies | 208 view(s)
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30th March 2020, 01:33BradtheRad replied to a thread Resistance of component bag made of "reddish" ESD plastic? in Elementary Electronic QuestionsConsider building this static charge detector. Made from a 4011 quad NAND gate. Red led lights for positive polarity, green led for negative. The...17 replies | 623 view(s)
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29th March 2020, 08:02BradtheRad replied to a thread How to adapt (normally) PCI Express x1 to work in PCIe Mini Slot in PCB Routing Schematic Layout software and SimulationYou probably know about installing drivers for new hardware, and looking at Device Manager to see if any device causes an alert. Several...3 replies | 326 view(s)
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29th March 2020, 03:43Ok, sorry for having overlooked this. BTW, seems like the function I2C1_Wr() already has the ack feature implicitly built in. Note that according...20 replies | 745 view(s)
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29th March 2020, 02:51So what is the problem at all? It sounds like you ARE reading it. Since you allways get an ACK, shoulnd't you celebrate this ? If you want to force a...20 replies | 745 view(s)
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29th March 2020, 02:27Ok, just to make sure you got the point: Since this routine is always executing the snippet below, we need to know what this variable ACKSTAT_bit is;...20 replies | 745 view(s)
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29th March 2020, 00:31In C language, unlike some script languages, every variable must be declared somewhere on code, and ACKSTAT_bit in the above snippet was not...20 replies | 745 view(s)
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28th March 2020, 21:59Did you really pay attention on the above reply, or at least spent any time to review the correct code before posting ? Regardless of the naming,...20 replies | 745 view(s)
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28th March 2020, 19:47BradtheRad replied to a thread matching network design question in Analog Integrated Circuit (IC) Design, Layout and FabricationSome definite amount of ohmic resistance ought to be ahead of your filter. Looking closely, that appears to be a resistor just above the waveform...9 replies | 355 view(s)
About bigdogguru
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- Computer Science, Mathematics, Physics
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- FPGA Design, Embedded Apps, Verilog, VHDL, MCU Design, PIC, AVR, ARM, C/C++ C# languages, Assembler
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- SysAdmin, Embedded Apps Design
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Recent Entries
Microchip Technology Completes Atmel Acquisition with $3.6 Billion Deal
by bigdogguru on 5th April 2016 at 19:16
Microchip announced yesterday that it had successfully completed its acquisition of Atmel Corporation:
MICROCHIP TECHNOLOGY COMPLETES ATMEL ACQUISITION
AND PROVIDES UPDATE ON ITS FISCAL FOURTH QUARTER 201
Chandler, Arizona – April 4, 2016 – Microchip Technology Incorporated (NASDAQ: MCHP), a leading
provider of microcontroller, mixed-signal, analog and flash-IP solutions, today announced that it
has completed its acquisition of Atmel
TI Launches New Stellaris LaunchPad Wiki
by bigdogguru on 17th October 2012 at 10:44
As many of us eagerly await the shipping of the new Stellaris LaunchPad, TI has provided us a sneak peek.
TI recently launched the new Stellaris LaunchPad Wiki which contains many interesting and useful links regarding their soon to be shipped, currently sometime in November, Stellaris LaunchPad:
Stellaris LaunchPad Wiki
Stellaris LM4F120 LaunchPad Unbox
Stellaris ARM Cortex-M4F LaunchPad Evaluation Platform For $4.99 USD
by bigdogguru on 3rd September 2012 at 16:07
As many of the forum members have expressed interest in utilizing an ARM in the development of a project, I thought TI's announcement of their upcoming release of an ARM Cortex-M4F based Launchpad development board for only $4.99 with free shipping to many countries, might be of interest.
Stellaris® ARM® Cortex™- M4F LaunchPad Evaluation Platform
Stellaris® LM4F120H5QR Microcontroller Datasheet
Stellaris®
Microchip 8051/80C51 Microcontrollers
by bigdogguru on 2nd March 2012 at 07:18
After reading the following announcement I thought it might be of interest to forum members utilizing the 8051 and variants in their designs.
Microchip Technology Inc., a leading provider of microcontroller, analog and Flash-IP solutions, announced on Feb. 21, 2012 that it will continue to manufacture legacy 8051/80C51 MCUs that provide pin-for-pin-compatible replacements for most of those recently placed under “End-of-Life” (EOL) notification by NXP. Included are drop-in replacements