Source: https://www.hackster.io/atul-john-abraham/timer-based-led-keychain-48acadTimer Based Led Keychain. The keychain has an IC-555 which controls the blinking time of two LEDs. The 555 timer IC is ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:00[/i] Our solution cannot reach very high targets, but more than 100M is still easy. The advantage of the solution is that it uses IC, which...
Use timer 0 to trigger EDMA events, send a set of data in the memory to SDRAM, call EDMA interrupt to move the data to the memory. Data can be sent to SDRAM, but EDMA interrupt cannot be entered. What...
[font=微软雅黑][size=4]As the title states[/size][/font] [font=微软雅黑][size=4] [/size][/font] [font=微软雅黑][size=4]How to tin a bare board/bare board? The board has been coated with solder mask ink but the co...
As shown in the figure above, the left end is connected to the 3.3V CMOS level, which can be the IO port of STM32, FPGA, etc., and the right end outputs 5V level, realizing the conversion from 3.3V to...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
DIY/Open Source Hardware
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