Electronics Development

Show filter
ImageImage

Quick review of modern nanocrystalline cores that now available for any engineer.

85
ImageImage

Testing of Chinese power bank IC designed for using with 1S battery and with supporting many fast charging protocols. But everything is not so perfect, let's take a closer look.

611
ImageImage

Analyzing of total PCB price with components and assembly

438
ImageImage

Searching for existing commercial transparent (DIY) power banks,

535

Image

Summary

  • 💻 MCU: Cortex-M4 STM32F401
  • 🖥 Display: IPS 160×80 px (ST7735)
  • Output voltage (MAX): 150V+
  • 🎆 Output current (MAX): 150mA+
  • 🔽 Control: Mechanical Buttons
  • 🔋 Powering: 1S1P 3.7V 18650 Li-Ion Battery
  • 🔊 Notification:  Sound (Buzzer)
  • Charging: USB Type-C
501
Cookies?