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  1. bertus

    Question concerning Arduino and C++

    Hello, You might want to follow the links in this query: C++ for ardiuno In there I found this IDE: https://www.eclipse.org/community/eclipse_newsletter/2017/april/article4.php Bertus
  2. bertus

    Circuits to build for a beginner!

    Hello, If you are looking for a circuits handbook, have a look at this old book: https://archive.org/details/B-001-002-567/page/n6/mode/2up Bertus
  3. bertus

    Common Emitter Amplifier - Class B

    Hello, The transistor has no bias. Without a bias, the transistor can not work. See this page how to bias a transistor: https://www.allaboutcircuits.com/textbook/semiconductors/chpt-4/biasing-calculations/ Bertus
  4. bertus

    Sequencing output based on Power Cycling

    Hello, How about an oscillator (for the switching speed) and an 4017 as sequencer. The 4017 could drive some SSR's for switching the pumps. Bertus
  5. bertus

    Circuits to build for a beginner!

    Hello, An other serie of books to look at are the books of Charles Platt: https://archive.org/details/EncyclopediaOfElectronicComponents.Volume2CharlesPlatt/mode/2up They will show you the basics of the electronic components. Bertus
  6. bertus

    Circuits to build for a beginner!

    Hello, And the Grob book and some more over here: https://archive.org/details/GrobBasicElectronics11e/page/n1/mode/2up Bertus
  7. bertus

    Common Emitter Amplifier - Class B

    Hello, Do you have a complete schematic? The behaviour could come from the capacitors used in the circuit. Bertus
  8. bertus

    Fluorescent lamp

    Hello, The large block could be the ballast for the flourescent tube. The following page will give you a lot of information how the ballast and tube work: http://www.repairfaq.org/sam/flamp.htm Bertus
  9. bertus

    Genie Microcontroller and RGB Colour sensor

    Hello, The adafruit tutorials are mainly arduino based: http://arduinolearning.com/code/arduino-tcs34725-color-sensor.php Perhaps the attached datasheet of the sensor will tell you more how to read it. Wich genie board do you have? https://www.genieonline.com/boards/ Bertus
  10. bertus

    I will be missing in action

    Have a safe trip and enjoy your vacation.
  11. bertus

    Use for old scanner?

    Hello, There are a couple of weather stations in the range of the scanner: https://www.weather.gov/gyx/nwrhist.html https://www.weather.gov/nwr/station_listing Bertus
  12. bertus

    Questions cable controls snes

    Hello, The plasticizer has probably evaporated from the cable. Watch out with acetone. Acetone might dissolve the plastic. From the wiki: Solvent Acetone is a good solvent for many plastics and some synthetic fibers. It is used for thinning polyester resin, cleaning tools used with it, and...
  13. bertus

    Use for old scanner?

    Hello, I see that there are two ham radio bands on the scanner: https://www.universal-radio.com/catalog/scanners/BC100XL.html I only found a hack to get an audio out jack on the scanner: https://www.discriminator.nl/ubc200xlt/index-en.html Bertus
  14. bertus

    Use for old scanner?

    Hello, What is the brand and type of the scanner? bertus
  15. bertus

    Heating operational amplifier OP284FSZ-REEL7

    Hello, As posted on the other forum you asked the question: Bertus
  16. bertus

    Can anyone help me in using UART

    Hello, Wich display do you have? Did you look in the datasheet of that display? https://www.stoneitech.com/support/download/data-sheet Bertus
  17. bertus

    Heater thermsotat receiver unit

    Hello, Could it be that the inductor was melted by the soldering? Bertus
  18. bertus

    convert Battery powered alarm to mains with battery backup?

    Hello, When using the charger & battery combination, use a diode between the charger and battery to avoid draining when the charger is down. Bertus
  19. bertus

    Heater thermsotat receiver unit

    Hello, I have tried to enhance the picture a bit: As @Tha fios agaibh said, the red part looks indeed like an inductor. Bertus
  20. bertus

    Faulty mini hifi system

    Hello, Pictures would help a lot. The yellow powered residu could be dried electrolyte that came out of the capacitor. When you have a multimeter, you could measure the output voltages of the powersupply as given in the schematic: Bertus
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