Understanding Timers and Interrupts in 51 Microcontrollers: Making LEDs Blink Without Errors

Understanding Timers and Interrupts in 51 Microcontrollers: Making LEDs Blink Without Errors

🚩 Have you encountered these pitfalls? You wrote the LED code, but it blinks inconsistently? You want the microcontroller to “blink the light + read the button” simultaneously, but it freezes? Don’t panic—you just need to understand the “timer” and “interrupt,” the two “little helpers” of the microcontroller!! Today, using simple language and a step-by-step … Read more

33 Essential Tax Knowledge for Accountants

(1) Late Tax Payment Due to Insufficient Deposits After a company files its tax return, it should pay taxes promptly. However, if the deposits are insufficient, it can apply for a late payment. Under what circumstances can a late payment be applied? If the available bank deposits are not enough to cover the current payroll, … Read more

Tax Refunds for Embedded Software: Navigating Cost Allocation Disputes for Enterprises

Tax Refunds for Embedded Software: Navigating Cost Allocation Disputes for Enterprises

A tax benefit hidden in the details For smart hardware manufacturing companies, the immediate tax refund policy for embedded software value-added tax is an important tax incentive that encourages innovation. However, a key issue troubles many financial personnel in practice: should indirect costs such as labor costs and depreciation be included in the hardware production … Read more

Important Knowledge Points and Module System of Elementary School Olympiad Mathematics

Important Knowledge Points and Module System of Elementary School Olympiad Mathematics

Click the blue text Follow me! Learn Chinese, Mathematics, and English, download materials, attend online courses, share wisdom in education, follow Elementary School Chinese, Mathematics, and English (ID: smartkids123)Everything you need is here! Introduction: In the annual entrance examinations for elementary school, mathematics scores hold significant importance. To further differentiate scores during the school selection … Read more

Compilation of Regulatory Cases: Revenue Section (Part 3)

Compilation of Regulatory Cases: Revenue Section (Part 3)

1. Accounting Treatment of Receivables from Suppliers How should the amounts received by dealers from suppliers be accounted for? Case: Company A primarily engages in automobile dealership, with its main profit sources being the gross profit from buying and selling and rebates from various automobile manufacturers. At the end of the reporting period, there were … Read more

Understanding SAP Module Document Reversal and Transaction Codes

Understanding SAP Module Document Reversal and Transaction Codes

â–ˆ General Ledger Document: Accounting documents manually entered directly in the general ledger module 1. Individual Document Reversal: (1) FB08 (Documents not involving clearing items) (2) FBRA (Documents involving clearing items) Note: If the above distinction is unclear, first use FB08 for reversal. If prompted that there are cleared items that cannot be reversed, then … Read more

SAP Module Voucher Reversal and Transaction Codes

SAP Module Voucher Reversal and Transaction Codes

Author: Xiaoquan (online name) Statement: This article only represents the original author’s views and is only used for the application and learning of SAP software, not representing SAP Company and this public account. Note: The screenshots shown in the article are sourced from SAP software, and the corresponding copyright belongs to SAP. â–ˆ General Ledger … Read more