teardownit (31)in #aroundcable • 9 months agoSearch for intermittent faults, and Pupin coils using a reflectometer.Intermittent faults ('floating' defects) are damages that manifest themselves periodically and are caused by…teardownit (31)in #diyelectronics • 9 months agoHow does binary logic work? Shift registersSometimes, a microcontroller does not have enough pins to receive signals from buttons or display them on LED…teardownit (31)in #hdmi • 10 months agoHDMI wiring and pinoutMuch like USB, HDMI has several different types of plugs and ports. Type A is the standard one. A trapezoidal port…teardownit (31)in #aroundcable • 10 months agoFinding branches using a reflectometerAs you know, a data cabling system consists of different segments. To connect them all and bring the data connection…teardownit (31)in #powertesting • 10 months agoPower control unit for testingScheme Element functions: J1 - AC grid input J2 - oscilloscope connection, current monitoring J3 -…teardownit (31)in #diy • 11 months agoMarshall Guv`nor: a Pedal that sounds like a Tube StackTo be more accurate, it sounds like a valve stack; after all, it is a British pedal imitating British Marshall…teardownit (31)in #hdmi • 11 months agoHDMI standard and functionsHDMI stands for high-definition multimedia interface. Since it has HD in the name, it should be easy for anyone to…teardownit (31)in #pwm • 11 months agoPWM frequency in Shelly RGBW2 controllerI received an interesting email from a reader of my post: ===== After having some bloody eyes and reading your…teardownit (31)in #meanwell • 11 months agoFinding water damage in a cable using a reflectometerDespite all the hard efforts to keep IT cables dry, water remains the most likely cause of cable failure. Water…teardownit (31)in #videocard • 11 months agoVGA videocard for microcontrollers. Part 2First of all, you should pay attention to the ROM used. The flash-ROM chip from an old computer motherboard has a…teardownit (31)in #microcontrollers • 11 months agoVGA videocard for microcontrollers. Part 1Sometimes, when making your own devices on microcontrollers, there is a need to display huge amounts of information on…teardownit (31)in #electronics • last yearPower supply characteristics. Turns the AC/DC power supply on and off. Low-cost parameter measurement.Power-on and parameters characterizing the behavior of the power supply when turned on Powering on the AC/DC source…teardownit (31)in #pi • last yearPi Extension board "PiEBridge" adaptersProgrammable power supply for external/target devices The PiEBridge has a built-in programmable power supply for…teardownit (31)in #reflectometer • last yearReflectometer applications: methods for finding significant cable damageThe primary and most common damage types are wire casing damages or cable installation errors. These typically are…teardownit (31)in #diy • last yearDIY single transistor reflex AM radio with regeneration and AGCThis is a piece of circuitry magic; it's a great pleasure to assemble and configure it! The receiver sounds pretty…teardownit (31)in #teardown • last yearReview, teardown, and testing of LRS-150-24 Mean Well power supplyThe LRS-150-24 power supply can operate from a 100–120 volt or 200–240 volt AC network. The manufacturer states it…teardownit (31)in #raspberrypi • last yearPi Extension board "PiEBridge""PiEBridge" is an extension board for microcomputers similar to the Raspberry Pi (Pi), which is designed to be a…teardownit (31)in #reflectometr • last yearReflectometers' characteristics: additional capabilitiesThe accuracy of reflectograms, the reliability of the conclusions made, and the time spent on diagnostics largely…teardownit (31)in #diy • last yearRegency TR-1 superheterodyne transistor radioI almost built a 1954 Regency TR-1 superheterodyne transistor radio. It was the very first commercially available…teardownit (31)in #hdmi • last yearWhen is the best case for HDMI over IP extenders?IntroductionWhy use HDMI over IP in some cases? The image quality is noticeably worse than a classic HDMI twisted-pair…
