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 =
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[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] [:)][:)]The naming convention of Acer notebooks: Travel Mate is positioned for business applications, and generally uses ordin...
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 ...
Applicable to all microcontrollers, crystal oscillator is 11.0592M #include "reg52.h" int pwm1=1; duty cycle of the first pwm int pwm2=60; the second pwm duty cycle sbit led1=P1^0; sbit led...[Details]
Volvo Trucks North America has launched two innovative route planning and connectivity technology tools to support customers in successfully deploying Volvo VNR Electric Class 8 vehicles into fleet o...[Details]
In contrast to the plummeting stock prices of Velodyne, Ouster, Innoviz, Aeva and other companies in the secondary market, the domestic lidar track is showing a prosperous scene. According to relev...[Details]
BCD code borrows hexadecimal form to represent the microcontroller storage data, data number system, data type, data encoding analysis The data stored in the microcontroller is stored in binary for...[Details]
Volkswagen shows future use cases of UWB technology with concept car: more reliable anti-theft protection, greater safety and convenience Hamburg, August 26, 2019 - NXP Semiconductors NV (NASDAQ: N...[Details]
The intelligent integrated turbine flowmeter can display the total flow, instantaneous flow and full flow percentage. It can set fixed pressure and temperature parameters to compensate for the gas. Fo...[Details]
Sensor technology has become increasingly mature, and liquid level transmitters have been widely used in industrial process control. Although sensor manufacturing technology is developing rapidly, t...[Details]
The above is the effect picture of the microcontroller development board made by myself
#include "reg51.h"
#define uchar unsigned char
#define uint unsigned int
sbit DQ=P3^6; ...[Details]
Is the “chip shortage” that has plagued the automotive industry for nearly two years about to end? According to media reports, after experiencing a surge in prices, the chip market began to see pr...[Details]
As the seasons change, from the beginning of the year to the end of the year, the ubiquitous power Internet of Things is experiencing a spillover effect.
Not long ago, State Grid Corporation o...[Details]
The function declared with reentrant is a reentrant function. A reentrant function can be called by multiple processes at the same time. When a reentrant function is executed, another process can int...[Details]
Recently, Acura released the RLX Sport Hybrid SH-AWD sports hybrid model. The new car not only improves the sports handling performance but also takes fuel saving and environmental protectio...[Details]
From the current mature "camera-dominated" autonomous driving vision solution to the future integration of "camera + lidar", the market layout of Chinese companies also shows its "maturity". Biol...[Details]
1. Distinguish between uppercase and lowercase letters When writing the source program of the PIC microcontroller, in addition to the strict list instructions at the beginning of the source program, ...[Details]
Since different fluids have different physical static properties, even the same fluid medium has slightly different physical dynamic properties under different environmental conditions. These uncert...[Details]
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