[i=s]This post was last edited by wo4fisher on 2021-9-28 16:15[/i]After completing the "play-mp3-control" routine in the previous article, I thought the rest of the journey would be much smoother, but...
Zigbee is synonymous with the IEEE 802.15.4 protocol. The technology specified by this protocol is a short-range, low-power wireless communication technology. The name comes from the bee's figure-eigh...
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The problem originates from the discussion in the following post, where 3.3V output feedback is used to add an auxiliary power supply winding.
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LiDAR company Sense Photonics has launched its first modular Flash LiDAR for advanced driver assistance systems (ADAS) and autonomous driving, called Osprey, which is now available for pre-order at a...[Details]
1 Summary
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have sing...[Details]
As the global IC supply chain becomes increasingly tight, Qualcomm has been planning to find multiple sources of silicon-based and III-V semiconductors. Sources revealed that Qualcomm will appoint a ...[Details]
LM324 can be used with a single power supply or with positive and negative dual power supplies. For this circuit, we hope that it can output: 0~-5V, so we must add positive and negative dual power su...[Details]
Preface: Software delay is really a pitfall, and the campus network is really bad Direct code LCD1602 Part (1).LCD1602.C #include reg52.h #include LCD1602.h #include INTRINS.h sbit LCD_...[Details]
It is reported that the US Patent and Trademark Office has newly granted Apple 62 patents, one of which covers a new generation of seat belt systems, including airbags installed in seat belts and roo...[Details]
The most far-reaching technological change in terms of touch screen performance is the shift from resistive to capacitive touch screen technology. According to market research firm iSuppli, by 2011, ...[Details]
Recently, Huawei Technologies Co., Ltd. disclosed an invention patent titled "A charging circuit for a vehicle charger, a vehicle charger, and a charging control method". The application date is May ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
The VECTRA WB360 3D full-body imaging system can be used to capture all lesions on the entire skin surface with high-quality resolution. As we age, many people will notice new skin lesions, such as ...[Details]
A new error amplifier with high gain, wide bandwidth and controllable output swing is designed. By adding two comparator modules A2 and A3, the output swing of the error amplifier can be adjusted wit...[Details]
The power supply mode of the electronic ballast is to connect the half-bridge output to the voltage regulator to power the chip. Its output voltage is a high-voltage sine wave (50-100 kHz). In ad...[Details]
During the process, when local discharge occurs in some weak parts of the internal insulation under the action of high field strength, ultrasonic energy is released, and spherical ultrasonic waves pr...[Details]
Brain circuits are affected in Parkinson's disease (green), dystonia (yellow), Tourette syndrome (blue) and obsessive-compulsive disorder (red). Inset shows the optimal target area for deep brain s...[Details]
This section lists the advantages of the DAC/comparator architecture compared to integrated ADCs. The application circuits discussed are common and simple, but they also share some common issu...[Details]