I encountered a very strange problem today, I hope the big guys can help me with the following problem:
Use the TIM3_CH2 channel of stm32 to output pwm to control the motor. The driver board is tb6621...
[i=s]This post was last edited by hfhc on 2020-7-5 03:36[/i]A preliminary study on STEVAL-MKI109V3 debugging and logic construction
Since the computer was reinstalled last time, many environments have...
[i=s]This post was last edited by tongshaoqiang on 2021-3-4 17:13[/i]As shown in the figure above, transistor 8050 is used to control 2 relays (4100F-5V, HF46F-5V). The input of the coils of both rela...
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Transmission lines that transmit microwave signals and microwave energy in a directional manner are called microwave transmission lines. Commonly used TEM mode transmission lines include coax...
The previous article introduced the writing of capacitive touch driver, including the modification of device tree and driver program (IIC driver + interrupt + input subsystem), and tested the touch fu...
Speaking of baseband and radio frequency, I believe everyone is familiar with them. They are two common concepts in the communications industry and often appear in front of us.However, the more common...
On March 26, Xinwei Communication stated on the investor interaction platform that MIM parts are key parts of folding screen hinges. The company attaches importance to and is optimistic about the dev...[Details]
The following is the test procedure for NRF24L01
Function: When the host presses a button and sends data, the corresponding LED indicator will flash; when the slave receives the signal, the correspon...[Details]
IC design industry members said that the demand boom has passed, and upstream and downstream companies are rushing to bargain prices in order to quickly reduce inventory. However, only TSMC remains u...[Details]
At present, many non-electrical working parameters of field equipment cannot be collected or recorded in real time, especially the insulation monitoring of substation equipment. Usually, sp...[Details]
According to Playfuldroid, Huawei confirmed in a briefing that it will release a mid-range Huawei Nova 8i in Southeast Asia. Now, Playfuldroid has released a rendering of the phone. As can be...[Details]
ST25R3920B is the first CCC automotive chip certified by NFC Forum on the market October 13, 2022, China – STMicroelectronics has launched a new generation of automotive-grade NFC reader ICs targ...[Details]
Unity gain inverter U2 drives R4, which is normally grounded at Vout, equalizing the current at the input, while providing a balanced positive and negative peak-to-peak output selection and gain of R...[Details]
On the evening of June 30, Tsinghua Unigroup issued an announcement announcing the establishment of the DRAM Business Group, appointing Diao Shijing as the chairman of the DRAM Business Group of Tsin...[Details]
WM Motor was founded in 2015 (formerly the three-electric system research and development company of co-founder Du Ligang, founded in 2012). WM Motor is committed to promoting the development and imp...[Details]
12.1 ADC Introduction The 12-bit ADC is a successive approximation analog-to-digital converter. It has up to 18 channels and can measure 16 external and 2 internal signal sources. The A/D conversion ...[Details]
Hey, what is this? It looks like frozen cigarettes. This is not smoke, but a solid, to be precise, the lightest solid in the world - aerogel. What is aerogel? First, let's get to know "gel". ...[Details]
Cleaning is something that every family has to go through. In the short version, no one wants to do it; in the long version, it can even cause family conflicts. However, with the advancement of techn...[Details]
The connection and data exchange between the CPU and external devices and memory need to be realized through interface devices. The former is called I/O interface, and the latter is called m...[Details]
Circuit Function and Advantages The circuit shown in Figure 1 is a high linearity, low noise, wide bandwidth vibration sensing solution for applications requiring a wide dynamic range (±70 g, ±25...[Details]