Brushless DC Motor (BLDC)¶

Examples¶

hello.ESC.44 (2019 – 2025)¶

hello.ESC.44 board components traces traces+exterior interior C makefile video

hello.A4949.RP2040 (2024 – 2025)¶

hello.A4949.RP2040 board components top interior hello.A4949.RP2040.py video

Talking points¶

inrunner, outrunner, pancake, fan (2016, 2023 – 2025)
A4941 (2016)
A4963 (2016)
electronic speed controller (ESC) (2016)
firmware (2016, 2019 – 2025)
[efficiency, density, reliability, noise] (2016, 2023 – 2025)
[Kv (RPM/V)] (2016, 2023 – 2025)
[triple half-bridge] (2016, 2023 – 2025)
[drive waveform] (2016, 2023 – 2025)
[open-loop, closed-loop control] (2016, 2023 – 2025)
[back EMF (BEMF) sensing] (2016, 2023 – 2025)
[servo PWM] (2016, 2023 – 2025)
[initialization, calibration] (2016, 2023 – 2025)
[LiPo 3.7V cells] (2016)
DRV11873 (2023)
electronic speed controller (ESC) (2019 – 2025)
A4949 (2024 – 2025)
[phases/rotation (6 typical)] (2024 – 2025)
[power input, output] (2023 – 2025)
[~1, 10, 100, 1000 A, \$] (2016, 2023 – 2025)