Latest threads in Electronics Designshow only best voted threads
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Chrome Autostarts and Won't Be Killed.
I had used Malwarebytes to deal with a problem with Offers4U adware. That finally went away, but Malwarebytes seemed to be mucking with the browsers preventing them from working. So I removed...
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8 years ago
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Ultrasonic fuel tank probe VS standard CLS probe
Hi. I finally got a price for WEMA fuel tank probe but i must say, am quite surprised on this price range. Anyhow i was thinking to go with something cheaper and ultrasonic version would be it. Anyone...
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8 years ago
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OT: Reformatted update on table call problem
LIST p=P16F648A #include ; Was P16F628A __CONFIG _CP_OFF & _WDT_OFF & _PWRTE_OFF & _HS_OSC & _LVP_OFF & _MCLRE_OFF & _BOREN_OFF __IDLOCS 0x0001 ; VARIABLES ptrlo EQU 0x20 ; table pointer ptrhi EQU...
38
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8 years ago
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Opto-CMOS
Can anyone recommend one of those optically isolated normally open analog switches, with a 250 volt breakdown voltage on the switch, that I can get my hands on real quick like? DIP package would be...
6
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8 years ago
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OT: EE runs for speaker of the house
Congressman Daniel Webster is an Electrical Engineer running for Speaker of the House. Can you tell he is an engineer from this piece?
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8 years ago
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HV OpAmp
HV OpAmp... Can be built to arbitrary HV supplies, just change Q1 and Q2 to higher voltage devices. ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal...
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8 years ago
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26 | |
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Connecting raspberry to DVR
Hi ! I didn't try this but i guess it should work. DVR is located cca 80 meters from the wireless router and there is no way to connect wire between those two, so the idea was to hook up RSP with...
2
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8 years ago
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OT: Interior Design
I have my library finished, just line the walls with bookcases and a reading desk and a sofa ;-) Now I'm pondering how to do my office. The old floor space was a rectangle, the new is slighter more...
35
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8 years ago
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35 | |
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Flashing shoelaces... flexible light pipe material?
Hi. Hallowe'en is approaching, so when I heard about these flashing-LED shoelaces I ordered a pair from to see how they worked, and to possibly incorporate into a door decoration. The "laces" are some...
6
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8 years ago
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6 | |
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no designing today
All my engineers are up on the roof looking at the Blue Angels buzzing the city. -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com
12
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8 years ago
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I/O-pin RC0 stuck on PIC16F526
So PORTC is set for output by TRIS. Comparators are disabled in CM1CON0 and CM2CON0. Nevertheless this RC0/C2IN+ stucks high. Checked it on both a prototype board and a breadboard with two different...
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8 years ago
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OT: table CALL does not work
Program: LIST p=P16F648A #include ; Was P16F628A __CONFIG _CP_OFF & _WDT_OFF & _PWRTE_OFF & _HS_OSC & _LVP_OFF & _MCLRE_OFF & _BOREN_OFF __IDLOCS 0x0001 ; VARIABLES ptrlo EQU 0x20 ; table pointer...
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8 years ago
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high voltage amp
Speaking of PV optocouplers, here's an amp that can swing 600 volts p-p (or more, if you want it) using maybe $10 worth of parts. The R12...C4 thing corrects for a bit of transient overshoot. It might...
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8 years ago
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series jfet as pulse current limiter
How good is the jfet current source in a pulsed situation? Talking mAs, 40V, 100s of nS. External rgs 470R-1K It may be recovering from reversed conduction, where current was resistively limited to
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8 years ago
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OT: Prince Rupert's Drop
This is pretty cool!
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8 years ago
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