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  • SuperMechaCow commented on HackerBoxes's instructable HackerBox 0022: BBC Micro:Bit2 years ago
    HackerBox 0022: BBC Micro:Bit

    Come join us on reddit and Discord at reddit.com/r/hackerboxes!

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0020: Summer Camp2 years ago
    HackerBoxes 0020: Summer Camp

    Hey guys! Be sure to check out the hackerboxes fan subreddit and Discord server at reddit.com/r/hackerboxes

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0018: Circuit Circus2 years ago
    HackerBoxes 0018: Circuit Circus

    Come see our hackerbox subreddit! Now with ∞% more Discord server!https://www.reddit.com/r/hackerboxes/

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0017: Power Maker2 years ago
    HackerBoxes 0017: Power Maker

    For those of you that have yet to hear my monthly plug for the hackerbox subreddit:https://www.reddit.com/r/hackerboxes/

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0016: Cellular Metal2 years ago
    HackerBoxes 0016: Cellular Metal

    Time for my monthly shameless advertising of the HB unofficial subreddit. Come check us out!https://www.reddit.com/r/hackerboxes/

    Thanks for the support!

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  • HackerBoxes 0015: Connect Everything

    Hey guys! Be sure to check out the subreddit community we're trying to build up!https://www.reddit.com/r/hackerboxes/

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0013: Autosport2 years ago
    HackerBoxes 0013: Autosport

    Hey guys!For those of you that are redditors and prefer that medium to chat about stuff, we have a small subreddit going:https://www.reddit.com/r/hackerboxes/

    Thanks for supporting the subreddit.

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0012: Digital Logic2 years ago
    HackerBoxes 0012: Digital Logic

    With just these ICs it will be difficult. What you want to search for is how to build a JK flip flop (using additional discrete logic ICs or the CPLD). Build several, and put the output of one into the clock input of the one after it. You can control the first flip flop's clock with a 555 timer. In the end you will will have a binary counter/clock.

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0012: Digital Logic2 years ago
    HackerBoxes 0012: Digital Logic

    http://www.hackshed.co.uk/getting-started-with-cpl...Use the logic analyzer to see what your inputs and outputs are on your projects. For example, try doing the discrete logic projects without any LEDs

    You can expand the size of your VM's virtual disk. Might be faster to create a new virtual disk and either dd your current virtual disk to it or just reinstall from scratch.

    There's a subreddit for everything!

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0012: Digital Logic2 years ago
    HackerBoxes 0012: Digital Logic

    I feel like this is more for learning theory than building cool things.

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0012: Digital Logic2 years ago
    HackerBoxes 0012: Digital Logic

    7805's are pretty cheap. You can get them for like 20 cents online, or $2 a local radioshack.

    I'm very frustrated with their tracking. It's handled by USPS and is not very accurate. I found out what was in the box and I still haven't received it yet.

    There's a subreddit for hackerboxes. There's not many of us there. Would be nice to have more people. Seems like the best place to just talk in general.https://www.reddit.com/r/hackerboxes/

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  • SuperMechaCow commented on HackerBoxes's instructable HackerBoxes 0011: HAX0R TREAT2 years ago
    HackerBoxes 0011: HAX0R TREAT

    TL;DR: The serial programmer does not have a reset line, and the schematics do not seem to be accurate. Yours may be very different from mine. Remove the jumper. You can power the Arduino on its VCC pin from the VCC or the +5V line on the programmer. Hold the reset button, click "Upload" and hold until you see "Uploading" and release.--I had a similar problem using an Arduino UNO as a serial programmer. I think the issue is that the Arduino bootloader listens for a short time at startup for serial programming signals before loading program memory. After your program decides how to handle serial coms coming into the Arduino. Most serial programmers have a reset line (DTR pin on your Arduino Pro Mini) that is the same thing as pressing the reset button. Once the progra...

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    TL;DR: The serial programmer does not have a reset line, and the schematics do not seem to be accurate. Yours may be very different from mine. Remove the jumper. You can power the Arduino on its VCC pin from the VCC or the +5V line on the programmer. Hold the reset button, click "Upload" and hold until you see "Uploading" and release.--I had a similar problem using an Arduino UNO as a serial programmer. I think the issue is that the Arduino bootloader listens for a short time at startup for serial programming signals before loading program memory. After your program decides how to handle serial coms coming into the Arduino. Most serial programmers have a reset line (DTR pin on your Arduino Pro Mini) that is the same thing as pressing the reset button. Once the programmer resets the Arduino it starts sending the serial data that the bootlaoder expects for programming.What I did exactly: Removed the jumper. Connected Arduino's VCC with the programmer's VCC. Held RESET on the Arduino until I saw "Uploading...". Released the button and it uploaded almost instantly. I did not use a 9v battery.According to the schematic, if you have the jumper on the 5V or the 3.3V setting, there will be an LED for each to indicate this. Mine do not light up unless I have the I/O pins connected. A lot of low-cost boards, especially from China, have been modified without any indication. It's very possible that mine has the VCC connected to 5V USB already.

    That's how I always do it. Works great. Just be aware that the heat will transfer into your breadboard if you leave the iron on it too long.

    TL;DR: The serial programmer does not have a reset line, and the schematics do not seem to be accurate. Remove the jumper. You can power the Arduino on its VCC pin from the VCC or the +5V line on the programmer. Hold the reset button, click "Upload" and hold until you see "Uploading" and release.--I had a similar problem using an Arduino UNO as a serial programmer. I think the issue is that the Arduino bootloader listens for a short time at startup for serial programming signals before loading program memory. After your program decides how to handle serial coms coming into the Arduino. Most serial programmers have a reset line (DTR pin on your Arduino Pro Mini) that is the same thing as pressing the reset button. Once the programmer resets the Arduino it starts sendi...

    see more »

    TL;DR: The serial programmer does not have a reset line, and the schematics do not seem to be accurate. Remove the jumper. You can power the Arduino on its VCC pin from the VCC or the +5V line on the programmer. Hold the reset button, click "Upload" and hold until you see "Uploading" and release.--I had a similar problem using an Arduino UNO as a serial programmer. I think the issue is that the Arduino bootloader listens for a short time at startup for serial programming signals before loading program memory. After your program decides how to handle serial coms coming into the Arduino. Most serial programmers have a reset line (DTR pin on your Arduino Pro Mini) that is the same thing as pressing the reset button. Once the programmer resets the Arduino it starts sending the serial data that the bootlaoder expects for programming.What I did exactly: Removed the jumper. Connected Arduino's VCC with the programmer's VCC. Held RESET on the Arduino until I saw "Uploading...". Released the button and it uploaded almost instantly. I did not use a 9v battery.

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