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The live cable identification instrument is used to identify a specific cable in a bundle of cables during the installation, migration, maintenance and troubleshooting of power cables. It has the c...[Details]
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For display design engineers, the limited resolution and inertia of the human eye in visual processing is a blessing: viewed from more than a certain distance, the LED matrix appears as a uniform brig...[Details]
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This article also provides some practical tips for more accurately measuring noise and interference on low-level signals when the measurement system noise (oscilloscope noise) is relatively high. A...[Details]
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There are many factors that limit force control performance. Here are some of the main ones:
1. Force sensing performance: The force sensor is an important component of the robot's force contr...[Details]
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There are several configuration modes for stm32's GPIO, including: 1. Analog input; 2. Floating input; 3. Pull-up input; 4. Pull down to input; 5. Open drain output; 6. Push-pull output; 7. Multiplex...[Details]
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1. Main idea:
Because the light-emitting diode has unidirectional conductivity, we use the R × 10k range to measure its forward and reverse resistance. Generally, the forward resistance shoul...[Details]
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#include
// MMC commands
#define MMC_GO_IDLE_STATE 0
#define MMC_SEND_OP_COND 1
#define MMC_SEND_CSD 9
#define MMC_SEND_CID 10
#define MMC_SEND_STATUS 13
#define MMC_SET_BLOCKLEN 16
#define M...[Details]
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The three major A-share indices closed higher today, with the Shanghai Composite Index up 0.76% to 3,382.32 points, the Shenzhen Component Index up 0.96% to 14,015.02 points, and the ChiNext Index up...[Details]
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#include iom8v.h #include macros.h #define uchar unsigned char #define uint unsigned int /////////////////////////////////////////////////////////////// #define rs_L PORTD&=~BIT(0) #define...[Details]
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Systems with moving mechanical components often have the need to measure what is rotating.
In a car, the speed of the wheels is needed to operate the speedometer, traction control, anti-...[Details]
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In daily life, when household appliances (such as washing machines, refrigerators, and power tools) leak electricity or are inductively charged, you will feel "numbness in your hands". If you use a t...[Details]
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Apple released the iPhone 13 series of mobile phones in the early morning of September 15. Due to the unexpected price reduction of 800 yuan and the upgrade of processor, camera module and battery, i...[Details]
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Diodes are used to attenuate strong signals in high-amplitude circuits of AM radios.
In the radio strong signal attenuation circuit shown in the figure, when the signal is too strong, diodes D1 ...[Details]
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According to Jiwei.com, Infineon Technologies reportedly recently issued a notice to distributors stating that the imbalance between supply and demand of semiconductor production capacity will run th...[Details]
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PC: CentOS5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
1. Make menuconfig to remove the original touch screen driver
- Device D...[Details]
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