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introduction
Applications that require a microcontroller also often require some mechanism to preserve settings even when power is lost. For example, a radio that loses its previous station se...[Details]
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The standby mode of stm32 is the most power-saving mode of stm32. Almost all internal registers are powered off, and only the standby circuit and RTC parts are powered on. If all registers are powere...[Details]
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Standby mode When SM2..0 is 110 and an external crystal oscillator or ceramic resonator is selected as the clock source, the SLEEP instruction puts the MCU into Standby mode. The only difference bet...[Details]
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DS18B20 is the world's first 12-bit binary digital temperature sensor with single-wire communication. The operating voltage is from 3.0 to 5.5V, the measurement temperature range is from -55℃ to 12...[Details]
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Since the DNW-USB driver on my computer win7 could not be installed, I chose to complete the dnw operation under ubuntu to achieve the boot of uImage.
First add dnw function to the uboot...[Details]
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/*========================================================================== Name: IIC protocol Content: The function uses software delay to generate SCL pulses, so some modifications must be mad...[Details]
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EVSE charges EV batteries at Class 1 and Class 2 rated voltages.
Electric vehicle (EV) owners rely on electric vehicle supply equipment (EVSE) to efficiently charge their batteries. Ofte...[Details]
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Today, OPPO officially announced the renderings of OPPO Reno7/7 Pro. It has three color schemes, namely "Star Rain Wish", "Morning Gold" and "Starry Night Black". It uses a straight-edge middle frame...[Details]
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How to connect passive speakers
Nowadays, many homes have special speakers that can be used to play karaoke, but many people don’t know how to connect the speakers. Let’s briefly describe it b...[Details]
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10.2.1 Oscillator Characteristics
XTAL1 and XTAL2 form the input and output of the inverting amplifier of the on-chip oscillator, respectively, as shown in Figure 10.3. The oscillator can be com...[Details]
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Compared with wired remote control, wireless remote control is not affected by distance, completely eliminating the hidden trouble caused by the towing cable remote control device, and bringing mor...[Details]
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Our farts can reveal a lot about our health, but judging by how we fart and how we smell isn’t enough. But if we sent a fart sensory pill (yes, you heard that right) down our digestive tract, we...[Details]
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New API adds key functionality to widely used compilers GCC and LLVM SiFive has announced that it is collaborating with the Barcelona Supercomputing Center to create a vector intrinsics API for GCC...[Details]
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A pull-up resistor is a resistor that clamps an uncertain signal at a high level through a resistor, and this resistor also plays a role in current limiting. Similarly, a pull-down resistor is a resi...[Details]
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Abstract: Using Delphi to develop industrial control system software has become the choice of more and more developers, and serial communication is one of the problems that must be solved in this p...[Details]
DSP and ARM Processors
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