Click the arrow“blue text” to follow us! How to connect Canon TS308 printer to Wi-Fi In the wave of digital office and learning, wireless printing has become an important part of improving efficiency. To achieve the freedom of printing anytime and anywhere, connecting your Canon TS308 printer to a Wi-Fi network is a key step. … Read more
Download DDNS-go Based on CPU Architecture I am using the Thunderbolt Treasure 1, which has an arm7 CPU, so I need to download the corresponding arm7 version. https://github.com/jeessy2/ddns-go/releases Extract the Files and Copy Them to OpenWrt Use WinSCP to connect to OpenWRT and copy ddns-go into it. Download WinSCP If you are unsure where to … 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
1. Classification of Black Screen Issues and Corresponding Solutions Black Screen Type Accompanying Symptoms Possible Causes Repair Cost Complete Black Screen Power light off Power board failure 50-100 RMB Backlight On, No Image Indicator light stays on Main board / Logic board issue 100-300 RMB Screen Lights Up Then Turns Off Indicator light blinks Backlight … Read more
Click the blue text to follow! Quick Troubleshooting Design Patterns for Function Block Diagrams in PLC Process Control A few days ago, Xiao Zhang rushed over from the workshop, sweating profusely: “Old Li, the production line 3 has stopped again, and the system is indicating a function block error. The management is pushing hard, what … Read more
Yesterday, a colleague called me in a panic, saying: “Wen, help! My PLC-based smart home system is completely down, and the owner is coming for acceptance in half an hour!” Hearing this familiar “fire-fighting” scenario made me smile. Ten years ago, I was in the same boat, where a small issue could drive me crazy … Read more
The PLC system is like the human nervous system; its inputs and outputs are how it perceives and controls the world. However, sometimes this “nervous system” can encounter issues—buttons not responding, indicator lights not illuminating, motors not turning. These input/output response problems can be frustrating, especially during an emergency shutdown on the production line. Don’t … Read more
Have You Fallen into These Pitfalls When Connecting a Bluetooth Watch to Your Phone? Have you ever had this experience: you excitedly bought a Bluetooth watch, wanting to enjoy the convenience of smart living, but when trying to connect it to your phone, it either won’t connect or has various issues? After fiddling with it … Read more
modetest -M rockchip ❝ When connecting an EDP interface display to the motherboard, if the error “LT CR Failure” (Link Training & Clock Recovery failure) occurs, the following are possible causes and solutions: 1. Core Reasons for Link Training Failure Poor Signal Integrity The EDP signals (differential pairs) from the motherboard to the display may … Read more
NB Smart Gas Meter User Guide IntroductionThe current NB-IoT smart gas meter (hereinafter referred to as NB meter) has entered thousands of households, allowing users to recharge online via WeChat without leaving home. Additionally, there are many features waiting for you to unlock! #01 Understanding the NB Meter The NB meter is equipped with a … Read more