[i=s]This post was last edited by zengyi703 on 2020-3-14 11:38[/i]I was bored at home during the epidemic, so I made a small board that supports MicroPython. Basic hardware functions:
1. The microcont...
Please guide me what is the reason
Input 24V2A, output 5V800MA, 3.3V500MA and 4.6V800MA. After batch production, it was found that some DCDC chips were damaged after a period of use, ranging from seve...
Details of the Espressif ESP32-S2-Kaluga-1 review activity: https://en.eeworld.com/bbs/elecplay/content/134Suggestion 1: It is recommended to develop under Linux, which compiles quickly. With vscode, ...
I am an engineer working at Bojing Network. The 4G to WiFi wireless router motherboard with dual network ports is a solution motherboard that our company has developed and produced through software an...
Compared with traditional light sources such as incandescent lamps and compact fluorescent lamps, light-emitting diodes (LEDs) have many advantages such as high luminous efficiency, long life, and ...[Details]
This reference design uses the MAX16819 as the main controller to provide a buck-
boost driver
for the 5S2P AR111 LED lamp
. Figure 1 is the circuit schematic, and Figure 2 shows the design lay...[Details]
Ultrasonic generator, usually called ultrasonic source, ultrasonic power supply. Its function is to convert our mains electricity (220V or 380V, 50 or 60Hz) into a high-frequency AC signal that mat...[Details]
On April 20, Huawei Consumer Business CEO Yu Chengdong announced that Huawei Consumer Business will be renamed Huawei Terminal Business 12 years ago. Regarding the reason for the name change, Yu Ch...[Details]
High power and high brightness LED conductive glue, conductive silver glue Conductive glue is an indispensable glue in LED production and packaging. The requirements for conductive silver p...[Details]
On April 17, Ultrasonic Electronics released its first quarter report of 2020. The company achieved revenue of 1.096 billion yuan, a year-on-year decrease of 1.64%; the net profit attributable to sha...[Details]
This paper introduces the design and production of a portable power system with strong versatility and low cost. The system has two power supply modes. It can be powered by an external power supply...[Details]
In 2012, the Samsung project with an initial investment of US$7 billion was settled in Xi'an. The establishment of the Samsung project has enabled Xi'an's semiconductor industry to move from the accu...[Details]
RFID is the abbreviation of Radio Frequency Identification. It is commonly known as electronic tag. RFID is a non-contact automatic identification technology that automatically identifies the targe...[Details]
On April 18, at the Shanghai Auto Show, the interior of the Hechuang V09, the flagship pure electric MPV of Hechuang Automobile, was unveiled for the first time. The RAZER and ATELIER concept cars,...[Details]
Preface
The design of systems using high-speed analog-to-digital converters (ADCs) with high input frequencies (IFs) has always proven to be a challenging task. The use of transformers makes th...[Details]
This experiment will make a simple passive infrared anti-theft alarm. The alarm consists of infrared transmitter, receiver, buzzer and LED indicator. Under normal circumstances, the green LED flashes ...[Details]
1.1. What is a dynamic digital tube? (1) The digital tube is still the original digital tube (either common anode or common cathode); the dynamic digital tube has two ends: COM end and segment code e...[Details]
From the iPhone 11 series to the iPhone 13 series released this year, there seems to be no major changes except for the changes in the frame. I believe many netizens are looking forward to Appl...[Details]
According to DigiTimes, Apple intends to use a much smaller Face ID sensor chip in iPhones and iPads starting later this year. Apple has reportedly chosen to reduce the size of the VCSEL chips used...[Details]
DIY/Open Source Hardware
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