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Last week I got 2 of these displays from a friend who couldn’t get them to display anything. (He knows I like those challenges.) Above picture proves it now works. What was the case: The data sheet says (e.g. in the schematic at page 8) a 100pF capacitor should be placed on CLK and DIO…
Read More [fixed] TM1637 LED display “not working”. Post thumbnail
Afgelopen week kreeg ik 2 van deze displays van een vriend die ze niet aan de praat kreeg en weet dat ik van dergelijke uitdagingen houd. Op bovenstaande foto het bewijs dat het inmiddels gelukt is het displaytje wél aan de praat te krijgen. Wat was het geval: In de datasheet staat (o.a. in het…
Read More [gefikst] TM1637 LED display “doet niks”.I did not know this was possible. The hollow core motors of a Cheerson CX-10 can actually be opened, and a new wire can be soldered to the brushes when the original one broke of. This started as a challenge, me stating it was impossible to open these motors without damaging them beyond repair and…
Read More Fine motor skills?Repair companies are completely right they don’t repair on this level of detail, but swap an entire board instead. Much easy-er. But I don’t have spare boards lying around and I like a challenge, so… A friend of mine had a defective digital camera, someone forced the sd card in the wrong way, with bent…
Read More Fixing a broken SD card slot.