Like other MCUs, we can test the performance of RP2040 by calculating pi.import gc
from utime import ticks_ms, ticks_diffdef pi(places=100):# 3 + 3*(1/24) + 3*(1/24)*(9/80) + 3*(1/24)*(9/80)*(25/168)#...
static int request_irqs(void) { struct key_info *k; int i; for (i = 0; i irq_no, EXT_BOTH_EDGES, GPIO_PULLUP_DIS); set_irq_type(k->irq_no, IRQT_BOTHEDGE); if (request_irq(k->irq_no, &buttons_irq, SA_I...
When I posted this, CCTV-4's "Today's Focus" program was doing a special feature: Obama's State of the Union Address. In the movie "Button Man", Wu Zhenyu has a line: "The president elected democratic...
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
The structure of an LCD TV primarily consists of the LCD display module, power module, driver module (primarily including the main driver board and tuner board), and keypad module. LCD display modu...[Details]
Definition of interactive projection system:
Interactive projection systems, also known as multimedia interactive projection, are available in floor, wall, and tabletop interactive projection....[Details]
Based on a survey of more than ten intelligent robot companies, this article sorts out and analyzes the current development status of the intelligent industry and the challenges and differences it ...[Details]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
Smartphones have become essential digital devices, and the growing number of smartphone-centric applications is enriching people's lives. As users, they desire a better app experience and a wider r...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
According to Nikkei, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]
Recently, Joyson Electronics has made positive progress in the core technology research and development of the robot's "brain and brain" and key components, and launched the industry's first integr...[Details]
Tiantai Robot's official Weibo account announced on the evening of August 20 that Tiantai Robot Co., Ltd., together with strategic partners including Shandong Future Robot Technology Co., Ltd., Sha...[Details]
The range of an electric vehicle is crucial to the driving experience, and range anxiety is a common headache when driving an electric vehicle. Although the latest electric vehicles can achieve a r...[Details]
Summer is the peak season for buying and using air conditioners. Do you pay attention to the energy efficiency of your air conditioner? Did you buy a DC inverter air conditioner? Do you know the re...[Details]
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