The Sailor Hat ESP32 Development Board is a powerful microcontroller development board suitable for marine environments.Using the SH-ESP32, it is easy to create a variety of sensor and control interfa...
1. Open the project file under the example BLE_UART. Write BLE_UART.hex to the chip.2. Turn on Bluetooth on your phone and install BLEAssist.apk.3. Connect the RXD of the USB to serial port to PA5 of ...
(1) Crossing circuits are not allowed in printed circuits. For lines that may cross, there are two ways to solve it: "drilling" and "winding". That is, let a lead "drill" through the gap under other r...
1. Introduction
Due to its characteristics of high-speed moving object recognition, multi-target recognition and non-contact recognition, RFID technology shows great development potential and applic...
According to Sina Finance, it was previously reported that due to the expiration of the US temporary agreement, Huawei's Android system will not be able to update the system and upgrade the security ...[Details]
Objects in your mirror are closer than they appear – this information is a tried and true safety warning that has reminded drivers for decades that the view reflected in the rearview mirror is slight...[Details]
If you want to change the pin that the LED is connected to, please modify the hardware.h file. If you want to change the brightness of the LED, please modify the Timings section definition in globa...[Details]
Before using the oscilloscope, it must be calibrated. The so-called calibration of the oscilloscope is to correctly debug the original waveform before testing. In other words, the calibrated waveform...[Details]
Research on priority areas of the global energy internet standards system
Zhang Jing1, Liu Xiaowei1, Zhang Songtao1, Wang Wei2, Shen Pei2, Zhang Jie3, Li Bin3, Qi Bing3, Dai Pan4
...[Details]
At present, the discussion about low noise amplifiers often focuses on RF/wireless applications, but in actual applications, noise also has a great impact on low-frequency analog products (such as da...[Details]
According to foreign media reports, birds have played a significant role in the development of drones over the years. It seems that the extremely agile hummingbird - its ability to hover and make sha...[Details]
The biggest feature of LED light sources is their long lifespan, which can reach 50,000 to 100,000 hours. It is not practical to monitor their light decay over a long period of time. Therefore, thi...[Details]
Recently, Teradyne Inc. said in an earnings call that its
Robotics
team achieved $375 million in revenue in fiscal 2023.
The US-based company has three subsidiaries: Energid (productio...[Details]
1. LTC6802-2 Introduction LTC6802-2 contains a 12-bit AD converter, a precision voltage reference, a high voltage input multiplexer and an SPI serial interface. Each chip can detect 12 batteries conn...[Details]
Lightweight metals: Magnesium plays a minor role in today's multi-material vehicles, but Allite's new SuperMagnesium is designed to promote widespread use of lightweight metals. It’s lighter than alu...[Details]
4X4 keyboard scanning program, using table lookup method, suitable for AVR microcontroller.
Here is the software part of the 4X4 keyboard. Please refer to the hardware design :
The keyboard circuit...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
According to foreign media reports, Rivian recently published a patent application and provided more details of the patent. The patent is called "Autonomous Driving Vehicle Occupant Cognitive Monitor...[Details]
Working principle:
The lithographic offset press uses various specifications of paper for indirect printing. First, the graphic materials to be printed are made into a film base, and then ...[Details]