This issue’s topic: More and more embedded devices now support remote automatic upgrades, eliminating the need for a downloader. This greatly facilitates device maintenance. To enable remote upgrades, it is necessary to write program code that supports upgrades, which can be referred to as BootLoader. This means dividing the device’s program code into two parts: … Read more
The tricky part is its strange display. In 2021, I purchased a Tandy Model 100 (often referred to as M100) for about $90 at the Vintage Computer Festival in the Eastern United States. This computer was first released in 1983 and is a pioneer of modern laptops, featuring a high-quality keyboard and an LCD display. … Read more
For geeks, the Raspberry Pi is perhaps one of the most suitable toys. Though small, it is fully functional as a complete computer, offering endless possibilities. The newly released Raspberry Pi 3 can be considered an almost perfect upgrade, with stronger performance and built-in Wi-Fi and Bluetooth, yet the price remains unchanged. Let’s see how … Read more
The iTOP-RK3588 development board manual has been comprehensively upgraded! Due to the abundance of development materials (currently the manual has reached over 2700 pages), in order to help everyone get started with the development board more quickly, the iTOP-RK3588 development board manual has been categorized into 13 major categories based on functionality, as shown below. … Read more
I bought the JINGDOU Cloud 2.0, which the seller had pre-flashed with Uboot, for a slightly higher price than the original firmware. Before flashing the OpenWRT firmware, I conducted a simple speed test using a Xiaomi 4C at points C and D to compare the results. The original firmware lacks features and wireless settings; it … Read more