Running multiple solenoids with a seemingly “weaker than it should be” PSU Ask QuestionAsked 2 days agoActive 2 days agoViewed 79 times3 I work part-time at a piano maintenance center as an electronic engineering student. […]

Freenove 4wd car with Raspberry 4 won’t boot up from batteries but will when plugged in Ask QuestionAsked yesterdayActive todayViewed 21 times1 We have been building the 4wd freenove car with a raspberry 4. We […]

Answer Your batteries might be fake. I googled the 4WD datasheet which says the following about batteries: References (1) Freenove 4WD Car Kit for Raspberry Pi [Overview] 27,622 viewsOct 18, 2019 (2) […]

Why conductor having charge(let say 1C) have tremendous potential but same conductor used in capacitor have low voltage? Ask QuestionAsked yesterdayActive todayViewed 49 times0 When we talk about electrolytic capacitors or the supercapacitor(EDLC) then we […]

tlfong016912Jan 18, 11:44@john I more or less agree that tmc2209 is the best way to go now. For me, SPI cannot do long distance (> 30cm) so UART is my only choice. […]

tlfong016912Jan 18, 11:44@john I more or less agree that tmc2209 is the best way to go now. For me, SPI cannot do long distance (> 30cm) so UART is my only choice. […]

Now the schematic: @john I more or less agree that tmc2209 is the best way to go now. For me, SPI cannot do long distance (> 30cm) so UART is my only […]

Voltage terminology in plain english Ha, let me try using my lousy English: (1) Never mind the two long wires first, but focus at the two battery terminals. (2) Now when we […]

sages load to my last message full transcripthighlights tlfong01Mon 20:37Ah almost bed time. Call it a day, see you later. johnSEe you later, thanks agin for the help here. I might order the 2209 to […]