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Small useful tip how using custom rule can improve PCB layout process.

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Summary

  • ๐Ÿ’ป MCU: Cortex-M4 STM32F401
  • ๐Ÿ–ฅ Display: IPS 160ร—80 px (ST7735)
  • โšกOutput voltage (MAX): 150V+
  • ๐ŸŽ† Output current (MAX): 150mA+
  • ๐Ÿ”ฝ Control: Mechanical Buttons
  • ๐Ÿ”‹ Powering: 1S1P 3.7V 18650 Li-Ion Battery
  • ๐Ÿ”Š Notification:ย  Sound (Buzzer)
  • โžก Charging: USB Type-C
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Let's see how real automotive Tesla board using low-votlage shutdown (lockout) DC-DC mechanism is used to protect cells against undervoltage.

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Measuring of the quiescent and standby battery current when inverter enabled and disabled by button.

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Big teardown of modern high-quality solar hybrid inverter. Mechanical parts.

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Big teardown of modern high-quality solar hybrid inverter, you need to see it ๐Ÿ˜Ž.

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Let's check which exact voltage could be produced by the small solar panel 6V. This information is important for further energy transformation for device powering and battery charging.

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Small schematic tip if you're going to use PoE in your devices related to the minimum load.

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Take a look at the idea of reducing operating temperature of high-power IC using SMT blocks as small heatsink.

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Smart approach to designing high-power dissipation devices uses multiboard construction.

1.34K

KKR75 ๐Ÿ“˜ How to download step 3D model from EasyEDA/LCSC/JLCPCB?

THANK YOU. This has saved me from pulling my hair.
10 days ago

admin admin ๐Ÿ›  TEARDOWN: Brushless Motor Controller 48V of the Chinese Electrical Bike (Ebike)

No, I don't know. BTW, this controller from Crosser CR2 ebike.
12 days ago

Dmytro ๐Ÿ›  TEARDOWN: Brushless Motor Controller 48V of the Chinese Electrical Bike (Ebike)

Hi. Do you, by any chance, know what communication protocol this...
15 days ago

Dmytro ๐Ÿ›  TEARDOWN: Brushless Motor Controller 48V of the Chinese Electrical Bike (Ebike)

Yes, NFC is integrated into display, and it wouldn't be that much...
17 days ago

admin admin ๐Ÿ’ป HS402 3.0 ANDROID STM32 Oscilloscope PCB and assembling

They have active TG group: https://t.me/hscope/1 1) Check voltages...
17 days ago

admin admin ๐Ÿ›  TEARDOWN: Brushless Motor Controller 48V of the Chinese Electrical Bike (Ebike)

Hi. If NFC integrated into display I don't think so. If NFC...
17 days ago

Damir ๐Ÿ’ป HS402 3.0 ANDROID STM32 Oscilloscope PCB and assembling

When I turn it on, I don't get a line, but rather a noise with an...
18 days ago

Dmytro ๐Ÿ›  TEARDOWN: Brushless Motor Controller 48V of the Chinese Electrical Bike (Ebike)

Hi. Is there a way to bypass display of the scooter with this type...
21 day ago
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