I am honored to be shortlisted for the 2022 Digi-Key Innovation Design Competition. I would like to thank the organizers EEWORLD and Digi-Key for providing free development boards and the carefully bu...
I recently downloaded a project generated by Rapid IoT Studio online IDE to the development board. It runs out of power after a short time after it is fully charged. Today I removed the outer shell an...
I have been engaged in the research and development of automotive products for many years, mainly engaged in aftermarket anti-theft devices, keyless, PEPS (PKE) smart one-button start and other produc...
The biosensor generates a signal with a peak value of -50uA/5us. What circuit can be used to obtain a signal of about 2V?
If you use the inverting ratio to amplify, what are the requirements? Which ma...
Help! ! I designed three circuits, one is the first-stage amplifier circuit, one is the low-pass filter circuit, and the other is the second-stage amplifier circuit. The purpose is to amplify the 1MHz...
According to foreign media reports, U.S. stocks closed mixed, with the Dow Jones Industrial Average closing down slightly, and the Nasdaq Composite Index rising for the sixth consecutive trading day,...[Details]
1.TTL level:
Output high level 2.4V, output low level 0.4V. At room temperature, the general output high level is 3.5V, and the output low level is 0.2V. Minimum input high level and low lev...[Details]
1. Eight-way LED Marquee Experiment
Now let's start the first experiment: the experiment of lighting up eight light-emitting diodes in turn, which is commonly known as the marquee experiment. Fir...[Details]
ATmega128 is the most powerful microcontroller in the AVR series, with the following main features:
(1) Advanced RISC reduced instruction set architecture: ATmega128 has 133 powerful instructions, ...[Details]
The Snapdragon 8 Gen1 Plus with internal model SM8475 has been rumored for some time. Its main changes include upgrading to TSMC's 4nm process and better energy efficiency. It was previously s...[Details]
The battery is one of the power sources of the car. When the generator stops working and the engine is started, all the power is output from the battery. When the engine is idling or working at a l...[Details]
In recent years, scientists have made great progress in the research of implantable devices. In June 2015, a research team from Harvard University released an injectable mesh that can detect elect...[Details]
As previously speculated by the industry, in 2019, the national subsidies for new energy vehicles will decline significantly, and local subsidies for new energy vehicles will be completely cancelled....[Details]
The LED lighting industry is developing rapidly, and there are many kinds of lamps and lanterns, and the price difference is also quite obvious. There are many manufacturers producing LEDs and LED ...[Details]
The development of portable technology has made people more and more dependent on portable devices such as cellular phones, PDAs and navigation systems. As processor technology continues to advance, ...[Details]
As a tool for precision measurement, grating has been widely used in the fields of precision instruments, coordinate measurement, precise positioning, high-precision precision machining and other fie...[Details]
In recent years, power carrier communication technology and LED underground lighting technology have developed rapidly. This paper uses these technologies and designs a practical and effective automat...[Details]
1. Use the delay function in the HAL library as follows: HAL_Delay(); /** * @brief This function provides accurate delay (in milliseconds) based * on variable incremented. * @note In the...[Details]
As humans got used to using fire to bring convenience to their daily lives, the fossil energy that had existed on the earth for billions of years gradually began to be consumed. As far as the autom...[Details]
A team of researchers at the University of Texas at Austin has created a non-invasive electroencephalogram (EEG) sensor and installed it in a virtual reality (VR) device that can be worn comfortably ...[Details]