A few weeks ago, my sister gave me the news that I was going to be an aunt, and not only would I be the event manager, but I would also be the godmother. After hearing such good news, I am on cloud nine, and countless ideas are coming to my mind to...
This isn't an original idea - I have found similar notions dating back to at least 1952! http://ed-thelen.org/comp-hist/SEAC&DYSEAC-5-150.pdf#page=11 Anyway, the idea is to make a DRAM memory cell with just a capacitor and two diodes. I played with one...
The LRS-150-24 power supply can operate from a 100–120 volt or 200–240 volt AC network. The manufacturer states it provides an output current of up to 6.5 amperes at 24 volts. The supply measures 5¾ × 3¾ × 1¼ inches (145 ×...
The engine in my boat is a Stuart Swan, designed in 1906. It has 2-1/4 in. bore, 2 in. stroke and is a twin cylinder double acting engine. I built it from a kit in the 1980s. I've wanted to upgrade to something a bit more modern for 30 years but when...
18 09 2020 400 Nigel We are using list display (form display) function to create an event log application 1. Software settings: As the picture shows, we have split the log into 3 part: Date/time, AM/PM, Log a. The variable memory...
In the age that electrification is undergoing, changes that occur in the lithium battery market will be exponentially increased. Since the introduction of the 4680 battery, the plates associated with the battery have become uneasy. According to...
DC DC Converters Board Mount DeviceSpecificationsSourcesBuck converter moduleInput voltage : 4.5V - 28VOutput voltage : 0.8 - 20VOutput current : 3AEfficiency : 92%Switching frequency : 1MHz - 1.5MHzOperating temperature : -20°C - +85°CSize...
Most clocks use sound to wake you up. This clock is no exception. A little "DFPlayer Mini" module does all of that, also MP3 decoding. It even includes a speaker driver. Yue Xin YX5200-24SS module! Check for short circuit between pin 3 and...
in the last two years in the past two years, the past two years, wafer production market has grown significantly because of the high demand for high-end processors in data and network centers, smartphones with 5G, and other applications that are growing...
Programming 2764 EPROM with a Mega2560, SD card reader and 5-12V Buck converter If you have ever wondered what it would be like to have a real retro -computer-nerd experience, then maybe programming EPROMs will fit the bill for you. Since the late 60's...
General Understanding Antenna Specifications and Operation : Application Note AN-00501 The quarter wavelength on 433MHz is 17cm. VSWR < 2.0 is acceptable. Less than 10% of the power will be reflected back to the transmitter. Baluns avoid RF-radiation...