EXASUB

Month: March 2023

  • STM32F103C8T6 Blue Pill

    The STM32F103C8T6 development board which is also known as Blue Pill is a small and affordable development board. It is based on the ARM Cortex-M3 processor and features 64KB of flash memory, 20KB of SRAM, and a maximum clock speed of 72MHz. The Blue Pill is a popular choice for hobbyists and developers who want…

  • Convert mA to A

    Enter milli Ampere (mA): Ampere (A)= Convert Definition Ampere = One coulomb of charge going through per second Milliampere = one-thousandth of an ampere Formula mA = A / 1000 Where:mA = milliampereA = Ampere Example Question: How to convert 800mA to A?Answer:800 x 10-3 = 800 milliampere800 / 1000 = 0.8A deutsche Sprache Frage:…

  • BD139 Pinout

    The BD139 is a general-purpose NPN bipolar junction transistor (BJT). It has three pins: There are two companies that manufacture the transistor The pinout diagram according to STMicroelectronics is as follows: When looking at the center hole and keeping the metal side down the pins are arranged from right to left as: It’s important to…

  • Raspberry Pi Pico W

    Raspberry Pi Pico W DatasheetConnecting to the Internet with Raspberry Pi Pico WRP2040 Datasheet NOTE: The CYW43439 supports both 802.11 wireless and Bluetooth, initially Pico W does not have Bluetooth support. Support may be added later, and will use the same SPI interface. If support is added existing hardware may require a firmware update to…

  • German Vocabulary 1 – Three Cooking Ingredients

    Three common ingredients that I use in cooking are: They are translated into German as : I use them after chopping them so they are Which in german are:

  • German Language vlog 14 – Clues for Masculine Nouns

    Male Person der Großvater – Grandfather der Onkel – Uncle der Vater – Father der Cousin – Cousin der Bruder – Brother der Sohn – Son der Ehemann – Husband der Schwiegervater – father-in-law der Schwiegersohn – son in law der Schwager – brother in law der Neffe – Nephew der Enkel – Grandson der…

  • German Language vlog 13 – Nouns and Gender

    German Nouns have grammatical gender and not biological gender. What this means is that sometimes a person can be of different gender even if it biological gender is actually something else. example: A young girl is biologically female. So her gender would be feminine. But in german it is das Mädchen. Here das indicates neuter…

  • Merge Sort is bad for Embedded System

    Merge sort is good if your system has plenty of memory to accommodate the temporary array. Embedded systems have very limited memory and it is often fixed. If the system has some other function that also runs concurrently. Then that memory also gets shortened. Merge sort is good for a bigger system like the personal…

  • German Language vlog 12 – Questions

    Question Words Examples Wer?Why? Frage 1: Wer bist du?Antwort: Ich bin Abhay. Frage 2: Wer sind Sie?Antwort: Ich hieße Parker. Was?What? Frage 1: Was machst du?Antwort: Ich lese ein Buch. (I am reading a Book.) Wo?Where? Frage 1: Wo ist Einstein?Antwort 1: Er ist im kindergarten.(He is in the Kindergarten)Antwort 2: Er ist in der…

  • German Language vlog 11 – Ordinal Numbers

    Ordinal Numbers are called ‘Ordnungszahlen’ in German. Ordinal Numbers are first, second, third, and so on in English. In german, there are few rules to make them. But they are easy to understand and once you get to practice you can easily understand them. Note: The spelling of ‘1’ and ‘3’ are different as they…