When the RS485 bus is idle, the oscilloscope measures a differential voltage of ±3.7V between the AB lines, with a periodic waveform of 50 Hz. This does not affect the normal communication of the devi...
Today I tested the GNSS function on Beetle ESP32-C3. The GNSS is VK2828, Beidou + GPS dual-mode, and the positioning speed is relatively fast.The power supply of GNSS is directly from 3.3V on Beetle E...
PrefaceThis application note mainly describes a case of implementing a simple HDMI CEC transceiver function based on AT32 GPIO and timer peripherals.Consumer electronic control (CEC) isa function of t...
Develop a DSP board, containing two TMS320C6455 chips and a Xilinx FPGA XC5VLX85-FF668. The peripherals include(1) IO expansion chip MAX6957, 5V, connected to FPGA through 74LVC16T245; (2) UART, RS-42...
According to news on September 11, on September 8, Geely's Lynk & Co brand released the new energy SUV product "Lynk & Co 08", priced from 208,800 yuan. This model not only debuted the Meizu Flyme Au...[Details]
1 Specific design and implementation of the system
1.1 System composition
The system composition is shown in Figure 1. In the system design, two single-chip microcomputers (AT89S52) are...[Details]
This article starts by comparing two discrete MCUs and a single-chip dual-core MCU (taking LPC4350 as an example), and then introduces the basic knowledge and important features of asymmetric dual-...[Details]
1. Voltage measurement 1. DC voltage measurement, such as batteries, walkman power supplies, etc. First, insert the black test lead into the "com" hole and the red test lead into the "V Ω" hole. Sele...[Details]
The STM32 timer encoder mode calculates the number of AB phase pulses of the geared motor, triggered by the rising and falling edges of the AB phase pulse, and then the counter is incremented by one....[Details]
According to foreign media reports, artificial intelligence chip manufacturer Hailo announced a collaboration with industrial computer hardware manufacturer NEXCOM to launch NEXCOM's next-generation ...[Details]
With the increasing popularity of USB-C Power Delivery (PD) charging technology, the demand for highly compatible chargers in the entire consumer market is also increasing. Today, users demand adapt...[Details]
O Introduction
In modern avionics systems, the integrated cockpit display control system undertakes the centralized display and centralized management of the avionics system, enabling pilo...[Details]
NI (National Instruments), a software-centric platform provider that helps accelerate the development and performance of automated test and automated measurement systems, announced and demonstrated i...[Details]
The differential pressure scale is usually calibrated under the condition that the negative pressure chamber is connected to the atmosphere. When the actual static pressure is passed to the site for z...[Details]
DC current probes come in two forms, one specific probe type is called a split core probe. The coil of this type of probe is placed on a "U" shaped core with a ferrite slider that covers the top o...[Details]
introduction In engineering practice, we often encounter various occasions where we need to measure the speed. Speed is an extremely important state parameter of the motor. In the measurement and...[Details]
On June 18, 2019, People's Post and Telecommunications published an article titled "Accelerating the Construction of 5G Infrastructure to Seize a New Development High Ground in Beijing" by the Beij...[Details]
According to the report "Selected Proposals of Democratic Parties at the 2020 National Two Sessions" jointly launched by China United Front News Network and China Communist Party News Network and rel...[Details]
As the global automotive industry develops towards electrification, intelligence, and networking, intelligent driving technology has become one of the main research and development directions of va...[Details]
Test/Measurement
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