Transistor 13003 is seen once as NPN and after inversion as PNP?
Czy wolisz polską wersję strony elektroda?
Nie, dziękuję Przekieruj mnie tam
398216 Usunięty wrote:whatever. With such short lengths of conductor needed, it doesn't matter at all.
alek_troda wrote:You can always count. You have the right data in the network - the specific resistance of copper, and even the resistance per meter of copper wire. You plug in the data and calculate. Easy?and)
alek_troda wrote:As above. Typical thickness of copper on a PCB is 35 microns (sometimes 70 microns for high current circuits) trace width - depends on necessity from say 1/10mm to 5mm or more (in case of mass).b)
dzg4 wrote:Dear friends, do you know where I can buy a display for the above-mentioned tester, I have been looking and looking and I will probably keep looking, the tape connecting the display with the printed circuit board was damaged, all because of the dedicated acrylic casing, which is too tight in the place of the tape.
... i.e. as described in the posts... calibration is not activated... just immediately the measurement of the component... the topic of T4 intrigued me enough (although (this topic is a side topic because I returned to electronics "{ out of boredom} after 3 heart attacks and 2 strokes I have a lot of time and focused on 3d printing and learning to master design programs .... ironworker by profession ... so I have a lump and you have to cut/obtain it to get something and in 3d it's like a different fairy tale "enchanted pencil" you draw and enter and there you have it... this topic brings together many outstanding people who have a lot of knowledge.... and a request to all, because no one thinks about it every day ... PEOPLE DO AN EVERY TIME (1x/ 2 years ~PLN 150) CELLULAR EXAMINATION, because we EAT anything and a stroke comes suddenly.... and it is a TRAGEDY... I was lucky to get lucky 2x.... but I want to keep reading you and learning.... i am 63 years old. but i want to master design and 3d printing and with simple methods i am trying to process plastic into filament but under ATMEGA control.... on a side note, is it possible to replace the n-coder with two up/down pins+ 3rd pin as enter?... to the moderator: the part of the test with health prevention content is not an advertisement but a concern to be able to benefit from the knowledge of other forum members in the future.... being in a stroke ward changes a person I repeat the question if it is possible to replace the n-coder with two up/down+ 3rd contact as enter
zasilaczen wrote:The empty space between the screen and pcb is worth filling with glue or silicone.
miszczo997 wrote:Rather not, because after switching on the tester for a fraction of a second displays the correct " picture " , while later it is already faded all the time, without contrast.maybe the display itself has already degraded.
TL;DR: LCR-T4 auto-tests 14 part types, draws only 12-15 mA per measurement, and “will be useful in every workshop” [Elektroda, TechEkspert, post #16556695] Accuracy stays within ±2 % for most resistors. Firmware flashing adds live-scan mode and Zener tests. Why it matters: you get multimeter-level insight from a €10 gadget.
• Supply: 9 V battery; 12-15 mA active, 20 nA sleep [Elektroda, 16556695] • R range: 0.1 Ω – 50 MΩ, C range: 25 pF – 100 000 µF, L range: 0.01 mH – 20 H [Elektroda, 16556695] • Typical accuracy: ±1 % R, ±3 % C, ±5 % L (user tests) [Elektroda, 16556695] • ESR read-out for electrolytics ≥1 µF [Elektroda, post #16556695] • Open-source firmware: AVR-based, 40 V boost for Zener mode [Elektroda, 16666684]
