Comment by Djumbonia on Second opinion on PCB design for relay made in Altium
@bobflux For the ProMicro (U1) I am planning to use female headers so that the microcontroller can easily be disconnected and by doing so I can place and solder the resistors. And I will try to cut the...
View ArticleComment by Djumbonia on Second opinion on PCB design for relay made in Altium
Adding mounting holes and a bolt symbol is indeed a very good idea. And C2 is indeed a safety film capacitor. 5V comes from the AC/DC power supply and VCC comes from the microcontroller. It doesn't...
View ArticleComment by Djumbonia on Second opinion on PCB design for relay made in Altium
Oh yeah you're right, I totally oversaw that. Thanks for commenting!
View ArticleComment by Djumbonia on What is the return current path for inner layer...
@PeterSmith Yes, and the fact that you're asking suggests this can cause issues?
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Designing battery voltage measurement with passive balancing
At work I have been busy designing a circuit for measuring the voltages of three batteries that are connected in series to each other. A microcontroller will read the voltages and determine which is...
View ArticleComment by Djumbonia on Current-limiter circuit messes with voltage...
@DaveTweed The drain voltage of Q1 = 19.3V, Q5 = -7.84V and Q9 = -23V. The gate-to-source voltage is ±16V, so I should be fine.
View ArticleComment by Djumbonia on Ultrasonic sensor with a Zener diode for an...
Hi @Andyaka, thanks for the feedback, I edited the post so all the info is now shown.
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