Study Notes- Zeruns's Blog - English Site

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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
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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
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- 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
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- 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