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The USB Tester consists of two parts. The USB Tester Base which has the USB connectors and test points for use with your own DMM. Then the backpack which has the OLED display, microcontroller and INA219B for sensing voltage/current. The backpack can...
Counting the GPIOs... With the intention of using the Raspberry Pico micro controller, I needed to understand how many GPIOs would be required to carry all of the necessary signals: 16 X Address Lines8 X Data LinesMREQ signalWR signalRD signal....
Caveat Emptor I am not a physicist. I have only dabbled in a field that is absolutely fascinating. The following descriptions of what and how rely heavily on Wikipedia and academic sources and are subject to my interpretations and understanding of the...
The Arduino library can be downloaded from the github page here: https://github.com/yspyG/AVR-Battery-Monitor This project utilizes the ATmega328's internal 1.1V bandgap reference to allow for accurate measurements of external voltages. From these...
Welcome to the Solar Genius Page Introduction Energy is one of the necessities to live on this planet. Plants use energy to prepare their food, humans use energy to cook their food, and industries use energy to manufacture different...
OverviewThere are a few distinct parts to the mcdox project:CaseHand PCBControllerKeycapsFirmwareEach of these parts is a good project on their own and, for me, none of these are really finished yet.The case is made from layers of 5mm and 3mm acrylic,...
With Glowing HeadersWithout Glowing Headers Analog Pins (A0 - A5)Digital Pins (D0 - D13)All Analog Pins Use a Op-amp to "MAP" the 0-5V Voltage to a relitive intensity of the LED All Digital IO Pins use a comparator with a Schmitt Trigger...
Although many factors can lead to poor air quality, the two most common are related to elevated concentrations of ground-level ozone and particulate matter. Ground-level ozone forms when nitrogen oxides (NOx) from sources like vehicle exhaust and industrial...
As this is a quick start guide, I'll provide all the info that got me going. Of course the plotter can do way more. Big Thanks to @Mathias Lam for providing critical questions and additional info that helped to write this. hardware setupSetting the...
Programmable Air is designed with maker friendliness in mind. What this means to me is cost effectiveness, hackability, and making the mundane seamless. I started by researching the cheapest air pumps, valves, and pressure sensors out there. I ordered...
I was just surfing internet for RP2040 Based IoT Board and found an amazing board IoTPi, which is powered by Raspberry Pi's RP2040 microcontroller onboard and available in 4 channel relay & 6 Channel relays. We seen several...
Learning about the impact of bipedia on human evolution has been of interest since antiquity - from Aristotle, through Renaissance to present day. In his work, De Motu Animalium as early as 1680, Borelli introduced spring-mass models to understand walking...
The power supply is comprised of four stages:AC Mains to 390V DC converterCurrent limited 390V DC to 1950V DC converterHV Multiplier DriverHV MultiplierThe HV multiplier and it's driver are the core of the project. Together they convert the 1950V DC...