# EVB2601 Simple Unboxing## Introduction>RVB2601 is a development board based on the Pingtouge eco chip CH2601, with onboard JTAG debugger, WiFi&BLE chip W800, audio ADCES7210, audio DAC-ES8156, 128x6...
[i=s] This post was last edited by long521 on 2016-12-26 09:05 [/i] I have seen this method of measuring temperature with ordinary IO ports in some books before, and I have verified it myself recently...
:This paper introduces the overall design, CPLD decoding, and WDM driver development of a LON network intelligent adapter based on PCI bus. Using this adapter, a LON network distributed measurement an...
Have you ever thought about what the glass on the CCD is used for? --- That filter, the correct name is "Optical Low Pass Filter" (OLPF)! Ah! Isn't it just a broken piece of glass? Let me tell you: Th...
As the title says, I am recently adjusting the hardware I2C of STM8 to read and write 24C16. I don't know whether it should be in 7-bit mode? How to configure it to use 7-bit mode or 10-bit mode?...
The main function of this circuit is to detect the voltage fluctuation at both ends of SR and realize the on and off of the optocoupler through the comparison of U1 differential input and U2. What I w...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
The NCL30051 from On Semi is a peak current controlled fixed off time buck controller designed for LED driver applications. It has adjustable off time, 250mA source/500mA sink peak drive capability, ±...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
Multimedia applications such as mobile TV, mobile gaming, and audio playback present a huge challenge to power management design in mobile phones. Mobile phone designers need to keep the phone smal...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]