Let's look at the memory first. Use gc.mem_free() to check and find that there is only 64K. ESP32-S2 has 320KB of SRAM, which is less than ESP32. In addition, the circuitpython system occupies a part ...
1) As a general software platform, the sysconfig configuration system is also expected to adapt to different user solutions. By providing a corresponding configuration, the user's solution can be auto...
Do MCU ADC input pins require series resistors? Why?In the circuit shown in the figure below, what is the function of R1? The IC outputs a current to the MCU, which converts it into a voltage and reco...
When using a 4.3-inch LCD screen, the LCD drive frequency must be reduced due to project requirements. After the frequency is reduced, the frame rate will be reduced. The project has no requirements f...
This year’s Double 11 came early. I started receiving various promotional text messages yesterday.
The routine of paying the deposit first and then the balance is still the same. I paid the balance at...
Recently, the National New Energy Vehicle Technology Innovation Center brought two technological innovations, the " Hydrogen Fuel Cell Vehicle Power Platform" and the "High-Performance New Two-Speed ...[Details]
1.1 Interrupt Enable Control The CPU's opening and masking of all interrupts and a certain interrupt source of the interrupt system are controlled by the interrupt enable register IE. EX0 (IE.0), ext...[Details]
Apple supplier BOE recently converted one of its factories in China to produce larger OLED displays for devices other than smartphones, including tablets and computers, according to South Korea's The...[Details]
IAR embedded development solutions will fully support Guoke Huanyu AS32X series ASIL-B MCUs to jointly promote the safe development of high-quality automotive applications
...[Details]
1 Overall Design The overall block diagram is shown in Figure 1. The system uses the StratixⅡ series EP2S60F484 model FPGA launched by Altera as the core of image acquisition processing and network ...[Details]
LPC1768 has three IICs, of which IIC0 supports high-speed mode and plus mode, and the other two are ordinary IICs. The process of using IIC is as follows First, turn on the IIC clock and the GPIO ...[Details]
With the rapid popularization of new energy vehicles and the support of new infrastructure, charging piles are gradually developing towards high-power DC fast charging, unified core component standar...[Details]
On the morning of December 20th, the Terra Carta environmental protection project of Prince Charles of the United Kingdom recently announced its official medal, which was designed by the company...[Details]
On July 6, Renesas Electronics said in a statement that at 5:43 a.m. on July 5, Japan time, due to heavy rains caused by Typhoon Aere No. 4, a transmission line at the company's Kawajiri factory in K...[Details]
Within one day, Yiwei Lithium Energy announced two fixed-point news in succession.
The announcement shows that the suppliers of the above two designated projects are Hubei Yiwei Power Co., Ltd...[Details]
1. Design points of single chip switching power supply
1.1 Selection of power supply efficiency
The efficiency (η) of a switching power supply refers to the percentage of its output power...[Details]
From March 25 to March 27, the 8th China Electric Vehicle Hundred People Forum 2022 (referred to as "2022 Hundred People Forum") was held in Beijing. The theme of this forum is "Meeting the new stage...[Details]
Siemens inverter is an advanced power conditioning device used to convert AC power into adjustable DC power and convert it into appropriate voltage and frequency for controlling the speed and power...[Details]
The MAX9611/MAX9612 are high-side current-sense amplifiers with an integrated 12-bit
ADC
and a gain block that can be configured as either an op amp or a comparator, making these devices ...[Details]
LC oscillation arc extinguishing circuit
Figure LC oscillation arc extinguishing circuit
The circuit of LC oscillation arc extinguishing is shown in the figure . The capacitor has a voltage...[Details]
MicroPython Open Source section
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