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Hey.
so i just got my SKR 2. rev B (with 429 chip) and TMC2209
i hooked it up with components from my Creality CR-10S (PSU, steppers, end stops.)
i startet it up. flashed newest Marlin software and…
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// dc motor control for arduino uno
#define MTR1H 5
#define MTR1L 6
#define MTR2H 9
#define MTR2L 10
#define btnFOREWARD 3
#define btnBACKWARD 4
#define btnSTOP 2
#define POT A0
bool isFo…
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When the 15V power supply is shut off, the inputs of the mosfet driver are still driven by the STM32.
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## *Repository Creation Request*
Use this to get your experiment repository created or updated on GitHub under Virtual Labs organization.
1. #### Coordinating Institute: IIT Kharagpur
2. #### …
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What model describes MOSFET behaviour using a "beta" and a fixed threshold? The few CMOS design textbooks' introductory chapters I looked at always model threshold as a function of the channel dimensi…
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I have been reading up on transistors vs. MOSFETs for motor drivers. As a general rule of thumb, you need a driver that can handle 3-4 times your actual load(1). This is especially the case for a DC m…
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Hello,
Thanks a lot for your wonderful applets!
I have found [this interesting MOSFET application as a super-diode](https://www.electro-tech-online.com/articles/simple-inexpensive-ideal-diode-mosf…
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When programming the USB2514B PRTPWR pins, I noticed the 3.3V gate signal to the MOSFETS Q1-Q4 toggling as expected. However, the intent to turn off the P-CH MOSFET did not work (MOSFET is always on).…
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My next idea is to design an open FOC motor driver.
(The target is to waste a time.) --- strikethrough.
The target is to design a very cheap driver that will have all the necessary features for …
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**BJT:** Bipolar Junction Transistor
**MOSFET:** Metal Oxide Semiconductor Field-Effect Transistor.
A BJT has an _emitter_, _collector_, and _base_, while a MOSFET has a _gate_, _source_, and _drain…