I bought an nxp board not long ago. LPC1769 comes with an emulator LPC-LINK and LPCXpresso compilation environment. It can be downloaded and debugged with a USB cable. The download and programming wer...
[align=left][color=#000][size=4]I just started learning how to use NDK, and I don't know where to start with many things. [/size][/color][/align][align=left][color=#000][size=4]I would like to ask how...
DDR stress test sample project This project is used to do DDR stress test, through a special data mode, to write and read DDR in EDMA mode and verify the results. Verify normal operation on the L138 E...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
The following text is only about the modulation algorithm of Bluetooth technology. I think it is enough to add the Bluetooth module to the microcontroller, and it is not necessary to implement the ...[Details]
Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
Last week, Microsoft's Windows Phone 8 system was launched with great fanfare and attracted much attention from the industry. However, Nokia, the most staunch supporter of Microsoft's Windows Phone sy...[Details]
Nokia's Lumia phones on sale will not be able to upgrade to WP8 system
Last week, Microsoft's (Weibo) Windows Phone 8 system was launched in a grand ceremony, attracting the attention of the...[Details]
Liquid crystal display devices have these incomparable advantages, and with the continuous development of liquid crystal display technology and the continuous reduction of product prices in recent yea...[Details]
Introduction
RS422 is a widely used standard bus in serial communication. It can easily connect various computers, external devices, and measuring instruments to form a measurement and control ...[Details]
LED lighting
offers many advantages
over current automotive interior and exterior lighting solutions,
such as higher performance, longer life, and lower cost, and it also improves the aesth...[Details]
Characteristics of ultra-bright LEDs
The relationship curve between forward voltage drop (VF) and forward current (IF) shows that when the forward voltage exceeds a certain threshold (about 2V)...[Details]
Lithium-ion batteries, which have the advantages of high voltage, high capacity, long cycle life and good safety performance, have broad application prospects in portable electronic devices, electr...[Details]
Working principle of micro-power disconnection anti-theft alarm: As shown in the attached figure. In the circuit, R1 provides bias voltage for the b pole of BG1. In the alert state, the bias voltag...[Details]
MP3 (MPEG I Audio Layer 3) is a sound file format based on the Motion Picture Expert Group (MPEG) compression standard. Its compression ratio varies according to the sampling frequency, compression bi...[Details]