RK1222-D10KL-30F

1. What is the minimum system? The minimum circuit that allows the microcontroller to work normally is called the minimum system. 2. What circuits does the minimum system contain? ① Power supply circ...[Details]

National Technology brings together 11 major themes and 2 new products to add color to ELEXCON 2022 From November 6 to 8, 2022, the annual industry event "ELEXCON Shenzhen Internatio...[Details]

There are several configuration modes for stm32's GPIO, including: 1. Analog input; 2. Floating input; 3. Pull-up input; 4. Pull down to input; 5. Open drain output; 6. Push-pull output; 7. Multiplex...[Details]

The application of LED light sources in the field of lighting is the result of the rapid development of semiconductor luminescent material technology and the gradual popularization...[Details]

I spent almost a day studying the serial port interrupt receiving program of LPC2103 and finally got it done. I have been reading materials and debugging since last night, and I studied it again at no...[Details]

According to the latest global PC shipment report for Q1 2020 released by market research firm Canalys, PC shipments (including desktops, laptops, and professional workstations) in the first quarter ...[Details]

BOE (BOE Technology Group) launched the industry's first immersive e-sports experience cabin in Beijing and released the "Best of Esports" strategy to lead the new future of the e-sports industry O...[Details]

I have been working on a low-power device for several days, but the program has been stuck in one place (see the picture below). Today I finally found out where the problem lies. I will summarize the...[Details]

Although rechargeable batteries have many advantages, they can be damaged and have a shortened life if they are over-discharged. The circuit in Figure 1 can shut down a battery-powered appliance, s...[Details]

       With the development of information technology, wireless communication has become popular, but our usual monitoring method is still contact-based. The disadvantages of contact-based monitoring...[Details]

According to foreign media reports, a couple designed a ring that embeds the RFID (radio frequency identification) chip of the Tesla Model 3 key card and can open the car door. Although everyone thin...[Details]

An electric shaver is composed of a stainless steel grille, an inner blade, a micro motor and a casing. The main control aspect controls key switches, motor drive, power management, etc. To ensure pe...[Details]

The MCS-51 series of microcontrollers provide multiple interrupt sources (8051 provides 5, 8052 provides 6 interrupt sources). Each interrupt source can be programmed with two levels of...[Details]

2.1 Knowledge of MMU The code of Loop.c is: The code of Loop.c is: The results of running the last two programs are: We see that the addresses in both programs...[Details]

3. Grounding In practice, there are three basic signal grounding methods: floating ground, single-point grounding and multi-point grounding. 1. Floating ground Floating ground re...[Details]