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  1. bertus

    My TV won't pick up local channels

    Hello, Did you check the support page of the antenna? https://www.oneforall.us/tv-antennas/14432-amplified-hdtv-indoor-antenna/support Also have a look at this section of the manual: Bertus
  2. bertus

    Raspberry pi books and magazines

    Hello, Here I found a lot of books and magazines for the Raspberry pi: https://magpi.raspberrypi.org/issues https://magpi.raspberrypi.org/books The books are special issues of the magazine. Bertus
  3. bertus

    Raspberry pi books and magazines

    bertus submitted a new resource: Raspberry pi books and magazines - Raspberry pi books and magazines Read more about this resource...
  4. bertus

    Electronics calculators

    Hello, Here I found a page with a lot of electronics related calculators: https://daycounter.com/Calculators/ http://sim.okawa-denshi.jp/en/ Bertus
  5. bertus

    Electronics calculators

    bertus submitted a new resource: Electronics calculators - Electronics calculators Read more about this resource...
  6. bertus

    Lessons Learned and When the Chips Are Down

    Hello, Perhaps you can have fun with these books: https://archive.org/download/dicksmithsfunwayintoelectronicsvolume2/Dick Smith's Funway into Electronics Volume 1.pdf https://archive.org/download/dicksmithsfunwayintoelectronicsvolume2/Dick Smith's Funway into Electronics Volume 2.pdf...
  7. bertus

    Lessons Learned and When the Chips Are Down

    Hello, The ascii drawing you show is a grounded capacitor: This simple drawing is made using this sheet of symbols: I used the select, copy , paste to create the simple picture. This page will tell you more about reading the schematic symbols...
  8. bertus

    help identifying the key to make this board IOT enable.

    Hello, You can not link images from your local PC. Upload the images using the "Upload a File" button. Keep in mind that the images can have a size of 300 kB. Bertus
  9. bertus

    Piezo buzzer operation

    Hello, Have a look here: https://electronics.stackexchange.com/questions/18212/whats-the-third-wire-on-a-piezo-buzzer Bertus
  10. bertus

    LED and Switch for circuit

    Hello, To calculate the current limiting resistor use the following formula. Rlimit = (Supply_Voltage - Led_Voltage) / Led_current. In your case the Supply_Voltage is 9 Volts. The red led will have a Led_Voltage of about 2 Volts. The Led_current can be 20 mA. So we get ( 9 Volts - 2 Volts ) /...
  11. bertus

    irf9640 p-chan mosfet switching buck converter blows without load, whats wrong

    Hello, As @Alec_t calculated, the power for the mosfet is way to high. The datasheet shows a maximum dissipation of 125 W. Bertus
  12. bertus

    True flash ADC

    Hello, Perhaps this part will meet your requirements: https://nl.farnell.com/maxim-integrated-products/adc0820ccn/adc-1-ch-half-flash-8bit-dip-20/dp/2513562?st=adc0820 https://www.maximintegrated.com/en/products/analog/data-converters/analog-to-digital-converters/ADC0820.html Bertus
  13. bertus

    PC power supply schematics and other related info

    Hello, Here I found a collection of switching regulator schematics in a PDF from LT. Bertus
  14. bertus

    Comedy Thread

    Found on AAC again:
  15. bertus

    True flash ADC

    Hello, Flash adc's are often used when high speed is needed. An 8 bit flash adc will hold 256 comparatores and a decoder circuit. All that I know off have clocks or latches. Here is a tutorial about flas adc's: https://www.maximintegrated.com/en/design/technical-documents/tutorials/8/810.html...
  16. bertus

    Strength master Treadmill showing error AC 6

    Hello, The Strenght master website does not show the TR-series. I can find some lifespan TR5000 manuals, but those do not show the AC 6 error. Those only mention the DC 6 error: Problem: “dc-6” appears in the display. Solution: Turn the treadmill desk power switch off. Unplug and re-plug the...
  17. bertus

    Help to identify fan terminal type

    Hello, There are two diffrent types shown. I see 3 and 4 pins. In the 4 pin there is one pin not placed. Bertus
  18. bertus

    seek help in drawing a schematic diagram from the Breadboard

    Hello, Pictures upto 300 kB are no problem. Almost any paint like program can be used to resize the pictures. Bertus
  19. bertus

    Strength master Treadmill showing error AC 6

    Hello, Wich model is the treadmill? Manualslib shows 6 models: https://www.manualslib.com/brand/strength-master/treadmill.html And Strenght master shows even more models: http://product.strengthmaster.com/Treadmills Bertus
  20. bertus

    Comedy Thread

    Found at AAC again:
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