The most common problem with Bluetooth earphones is that they won’t charge. The author has a pair of Bluetooth earphones that won’t charge. This article shares the complete process of reviving the Bluetooth earphones for just 4 yuan. Feel free to share your disassembly or DIY modification experiences. Content 1. Introduction The process is detailed … Read more
Click on the above“New North” to subscribe!On May 16, in Changsha, HunanAfter a smartwatch was water-damageda man put it in the oven to dryAs a result, not only did the water not drybut it also became unusableHe had to take it to a repair shopThe repair shop owner statedthat electronic devices that have been water-damagedshould … Read more
1 Fault Types of Electronic Control Units Based on the location of the faults in the Electronic Control Unit (ECU), they can be divided into: ECU peripheral circuit faults and ECU internal faults.The ECU peripheral circuits include the power circuit, sensor signal circuit, and actuator drive circuit. ECU peripheral circuit faults mainly refer to faults … Read more
Those who follow me are the kindest!I only speak for the people, using my pen to clarify the situation and measure the warmth of humanity.Which can be repaired? As an important entertainment device in our daily lives, televisions occasionally experience various faults. These faults not only affect our viewing experience but may also render the … Read more
01 Identifying the ProblemI have a STM32F407G-DISC1 development board, with the MCU being STM32F407VGT6. Recently, I needed to use this board for a test, but it turned out to be non-functional. After sitting idle for a long time, it was prone to failure.I conducted some troubleshooting, first checking that there were no short circuits between … Read more
Explore the 【Air Conditioning Repair Family WeChat】 Super Group (9000 members) file repository Click to purchase the Air Conditioning Doctor Ye’s Comprehensive Guide on Fixed and Variable Frequency Processing Steps: (1) First, check if the compressor wiring is loose or reversed. (2) Inspect the appearance of the controller, focusing on the six PWM outputs of … Read more