Yesterday I shared the disassembly of a Bluetooth speaker , and today I will share the modification of the speaker. This Bluetooth speaker is OK in other aspects. Although it does not have any big hig...
I bought a few Adafruit CLUEs from Digikey for learning. I'll show you the boards first. The LCD screen is very detailed and clear, but the text is too small....
1. Project Name: Ornamental Fish Tank Controller2. Project Introduction:
The fish tank controller was studied, developed and verified based on the Arm Cortex-M23 core GD32E231C-START evaluation board ...
Foreign IC Prefix Index ( 6 pages showing 245 records sorted by English alphabetical order, introducing foreign integrated circuit prefixes)Model Prefix Foreign manufacturers Model examplesA INTECH (A...
Contains five interrupt sources, two levels of interrupt priority, and programmable priority settings, which can be set through IP: Analysis of the setting method of 51 single-chip microcomputer inte...
After several days of debugging, the basic functions of the hardware have been adjusted, and the voltage and current limit can be set. The next step will be to test efficiency, output power, etc.I fou...
introduce When the battery meets the minimum power supply state of the MCU, the RTC is always in working state regardless of whether the MCU is in running, low power or restart state. The main fea...[Details]
On August 4, the test and review work of the 2022 National Electronic Design Competition in various provinces came to a successful conclusion. Nanjing University of Information Science and Techno...[Details]
The sensor field itself is quite large, but many sub-tracks are almost dominated by international hegemons. However, the development speed in China in recent years is also very amazing, with a larg...[Details]
1. Equipment model and picture ICS-600 Dionex ICS-600 Ion Chromatograph 2. Principle Ion chromatography is a type of high performance liquid chromatography, so it is also called high performance ...[Details]
The previous articles all explained how to use the GPIO output control function of I.MX6U. The IO of I.MX6U can be used not only as output but also as input. There is a button on the I.MX6U-ALPHA dev...[Details]
The photoresistor concentration meter is used to detect the light energy passing through a substance, so as to understand the composition or properties of the substance. The milliammeter is divided i...[Details]
How does an oscilloscope measure current? Oscilloscope measures current waveform. The oscilloscope is the most commonly used instrument by most electronic engineers. When it comes to oscilloscopes, t...[Details]
1. Parts installation sequence table This weighing plate has no special requirements for the order of parts installation. You can follow the principle of small first and large later, welding small ...[Details]
This morning, realme's official Weibo account said that the new realme X will be unveiled soon! Want to know more? Stay tuned at 10am tomorrow! It is speculated that the release date of the new phone...[Details]
In the past, large audio signals were limited, that is, large signals were limited and output, and small signals were not processed. In this way, there is still a situation where the audio signal i...[Details]
Nokia Mobile may be planning to launch its next KaiOS smart feature phone. Foreign media NokiaPowerUser found that Nokia N139DL has now passed GCF certification and can be launched in the Europ...[Details]
Qorvo®, Inc. (NASDAQ: QRVO), a leading provider of RF solutions for mobile, infrastructure and aerospace and defense applications, today announced the acquisition of Decawave, a UWB positioning techn...[Details]
Renesas Electronics, a global leading supplier of semiconductor solutions, recently announced the launch of the fourth-generation lithium-ion battery management chip, providing high accuracy and serv...[Details]
With the development trend of green and low-power chip design in China, many companies have invested heavily in technology accumulation. Dongke Semiconductor is a company mainly engaged in the design...[Details]
A/D converter chip and interface circuit
1. 8-bit A/D converter chip ADC0809 ADC0809 is a CMOS monolithic successive approximation A/D converter. The main features of ADC0809 are: ● It is an A/D co...[Details]
Making friends through disassembly
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