I wrote an Android app and used the following Android code to send a character. I want to know which callback of Bluenrg will be called after sending the character?
BluetoothGattService gattService =
...
For the home LED clock, a low-power sleep mode chip was selected mainly to save power, but the effect of the crystal oscillator frequency on the overall current is unknown, and the parameter standards...
Reprint: Anxinke open source team is dedicated to writing and sharing the initial technical exchange of ESP32-A1S offline voice1. Introduction2. Offline speech framework2.1 Algorithm model WakeNet and...
As shown in the figure below, NMOS and PMOS are used as a protection circuit to prevent reverse connection of the power supply. [1] The circuit diagram of the PMOS tube is easy to understand. For the ...
In the circuit below, what are the functions of the resistors connected behind the rectifier bridge and the three resistors in the red box? What do they mean and what are their main functions?...
As shown in the picture below, does this Type-C female socket need to be mounted with a machine sticker?Some surface mount pins are hidden under the shell, what should I do when doing manual soldering...
1 Introduction
Frequency source is the key to achieve high performance indicators of radar, communication, electronic countermeasure and electronic systems. The functions of many modern elec...[Details]
The National Energy Administration issued a notice that the total capacity of newly installed domestic photovoltaic power plants reached 14G in 2014, including 8G distributed and 6G ground power pl...[Details]
On July 4, Xiaomi and Leica's strategic cooperation in professional imaging series - Xiaomi 12S series was officially released
. The entire Xiaomi 12S series is equipped with the first-genera...[Details]
When it comes to automotive power batteries, most people's first reaction is ternary lithium rather than lithium iron phosphate. It was not until 2019 that BYD founder Wang Chuanfu revealed the "supe...[Details]
1. Overvoltage surge test method
For some electronic devices in specific environments and for specific purposes, there are often voltage surges in their power supply (the surges referred to ...[Details]
As an auxiliary power source, the hydraulic system of machine tools is an indispensable part of machine tools. For example, the spindle loosening tool, gravity balance, functional component clamping a...[Details]
April 25, 2024 is the first day of the Beijing International Automotive Exhibition. On this day, all car companies showed off their best products, and they did not hesitate to release new cars and ...[Details]
In the semiconductor field, EDA software, as the most upstream and high-end industry in IC design and circuit board design, is known as the "mother of the electronics industry" in the industry. ...[Details]
On the evening of March 14, Jianghuaiwei released its 2021 annual report. The company achieved operating income of 792 million yuan, a year-on-year increase of 40.50%; net profit attributable to shar...[Details]
As a core component of natural language processing (NLP) systems, language models can provide probabilistic representations of word representations and word sequences. Neural network language models ...[Details]
"In seven years of working with Huawei, I have never seen such a popular product." Recently, Huawei Mate 60 series mobile phones were officially launched. Although the chip information will not be re...[Details]
The principle of producing AR coated photovoltaic glass by roller coating is: use solar photovoltaic glass AR anti-reflection and anti-reflection coating liquid, and then use a roller coating machi...[Details]
Abstract: This paper introduces the design and implementation of a high-power current-controlled flyback DC/DC converter, and proposes a simpler design method for energy storage transformers. A 1kW...[Details]
On October 12, Xinjiang Company and some tertiary industry companies were invited to attend the investment promotion symposium and signing ceremony held by the Wusu Municipal People's Government an...[Details]
ST - Low Power RF
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