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The following are articles related to Study Notes

2025-01-16
EG1151 High-Power Synchronous Buck-Boost Power Module (Supports Type-C PD Fast Charging) Open Source We are open-sourcing a fully domestic high-power adjustable buck-boost DC-DC power module based on the EG1151 chip. It supports Type-C input, includes
- 2025-01-16
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- Electronics / Circuits
2024-12-28
Java Implementation of 99 Multiplication Table — Using For Loop and Recursion Java Implementation of 99 Multiplication Table For Loop public class ninenine { public static void main(String[] args){ for (int i=1;i<10;
- 2024-12-28
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- Java
2024-12-28
Python Formatted Output (% and format Usage) Integer Output %o—Octal (Base 8) %d—Decimal (Base 10) %x—Hexadecimal (Base 16) Floating-Point (Decimal) Output Formatted Output >>> awsl = 2.333 >>> p
- 2024-12-28
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- Python
2024-11-24
What is dB? How to Calculate dBm, dBc, dBi, and dBd, and What Are Their Differences? What is dB? How to calculate dBm, dBc, dBi, and dBd, and what are the differences? Introduction In the fields of electronics, communications, and audi
- 2024-11-24
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- Electronics / Circuits
2024-11-21
[Study Notes] Trigonometric Functions (Sine, Cosine, Tangent) The sine function and cosine function are the two most fundamental and significant functions in trigonometry. They have extensive applications in desc
- 2024-11-21
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- Study Notes
2024-11-16
Open-Source 140W+65W Buck-Boost PD3.1 Fast-Charging Module (2C+1A Ports), IP6557+IP6538, Open-sourcing a 205W buck-boost fast-charging module (140W+65W) based on the IP6557 and IP6538 chips. One Type-C port supports the PD3.1 protocol, wit
- 2024-11-16
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- Electronics / Circuits
2024-11-13
A Simple Unboxing and Review of EastTester(中创) ET4410 Desktop Digital LCR Meter Recently, I purchased an Digital LCR Meter to complete the equipment in my laboratory. I chose the EastTester(杭州中创) ET4410 as it offers a relatively h
- 2024-11-13
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- Digital Product Reviews
- Electronics / Circuits
2024-11-12
STM32F407-Based LVGL Project Template for MSP3526 Screen (FreeRTOS and Bare Metal Editions) I have successfully ported the LVGL graphics library to the STM32F407 and it is compatible with the MSP3526 LCD screen. If you need to switch to a dif
- 2024-11-12
- 30
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- 3
- Internet of Things / Embedded
2024-11-12
STM32 based OLED screen driver with software or hardware I2C support (HAL library) 0.96" OLED(SSD1306) display driver based on STM32 G474 (4-pin I2C interface), supports hardware IIC/software IIC , HAL library version. This driver is
- 2024-11-12
- 30
- 1
- 5
- Internet of Things / Embedded
2024-11-12
Synchronous Rectification Buck-Boost Digital Power Supply Based on STM32 A four-switch Buck-Boost digital power supply based on STM32G474, supporting TypeC interface PD decoy input and DC5.5 interface input, with input/outp
- 2024-11-12
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- Internet of Things / Embedded
- Electronics / Circuits