I heard that Huawei is going to release an operating system! I am looking forward to it. I started to tinker with the Android system two years ago, and it has caused me a lot of trouble. First of all,
Conventional application areas Shortwave radio refers to radio communication equipment with a working wavelength of 100 to 10 meters (frequency of 3 to 30 MHz). It is mainly used to transmit voice, co
The 24V car battery is powered by a step-down chip to 5V. What is the lowest input voltage of this (DC/DC or LDO) step-down chip? Is it 35V or 40V? Thank you.
I switched from STM32F103 to STM32L152. Now I want to drive the segment LCD but it can't light up. I want relevant information or examples! Or guide me. Thank you! !
Last Friday, two days after Nokia changed its public account name to "Hemingdi Technology Co., Ltd.", it changed back to "Nokia Mobile Phone".This wave of operations made Nokia inexplicably gain a wav