SSBOT coffee water bottle deviceFrancisco Speich of Switzerland designed SSBOT, a water bottle device for coffee machines. Sandwich hollow breadSandwich hollow bread Jean-Paul Magro from France invent...
Zhongwei's equipment has been in use for more than 15 years and has basically reached the end of its life. "Everything is subject to the announcement." Recently, the reporter contacted Wang Jianjun, d...
Some of our products are still using LM3S6911, LM3S811, LM3S9B92, LM3S9B96 (for PTP). How long can the supply last after the discontinuation of production? ? M4 does not support Ethernet, what should ...
The 232 to 485 circuit keeps receiving 00 as soon as the circuit is powered on. What's going on? My connection method is as shown in the figure. The A and B of the 485 chip are connected to the bus. T...
From: https://hackaday.io/project/168815-no-step-on-snekThere is currently one map, three types of objects: boots, slippers and canvas shoes. Each of them moves at a unique speed and/or direction. The...
The basic AVR hardware circuit includes the following parts: [indent][indent]1. Reset circuit2. Crystal oscillator circuit3. AD conversion filter circuit4. ISP download interface5. JTAG simulation int...
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
Preface
DS18B2 is generally used in conjunction with a single-chip microcomputer, and there are few reports on
the interface between
DSP
and DS18B20. Therefore, this article introdu...[Details]
introduction
Frequency characteristic tester
Also known as sweep frequency meter or frequency response analyzer, it uses a rectangular oscilloscope with internal scale as
a displ...[Details]
The embedded network module series products of Yingchuang Company all have a streamlined ISA expansion bus, which usually includes several address buses, 8-bit data buses, read and write control li...[Details]
Automotive electronics are in a noisy environment
,
so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]