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  • Author Author: tariq.ahmad
  • Date Created: Date Created
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Arduino Retro LED Matrix Handheld -- Episode 396

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Arduino Retro LED Matrix Handheld

element14 Presents  | AirborneSurfer's VCP Profile | Project Videos

 

 

 

In the late 1970s, electronic gaming was all the rage. The Atari 2600 and Magnavox Odyssey had already invaded living rooms while Mattel and Coleco were taking their burgeoning electronic toys divisions and gearing up to enter the console market. The Intellivision and the Colecovision might have fizzled out by the early 1980s, but their legacy in gaming had already been written with blinking lights and buzzers. To many, "retro handheld gaming" conjures images of the Nintendo Game Boy, Sega Game Gear, or even the Atari Lynx, but Matt wanted to take this retro gaming project all the way back to the dawn of an era--before 8-bit processors and dot matrix screens with stereo sound, back when writing words on an inverted calculator could entertain for hours!

 

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Bill of Materials

 

Product NameManufacturerQuantityBuy Kit
A000005 - Development Board, Arduino Nano, ATmega328 MCU, 14 3.3V I/O, 6 PWM Outputs, USB Mini BARDUINO1Buy Now
MCDTS2-1N - Tactile Switch, MCDTS2 Series, Top Actuated, Through Hole, Round Button, 160 gf, 50mA at 12VDCmulticomp1Buy Now
P160KNP-0EC15A10K - Rotary Potentiometer, Conductive Plastic, 10 kohm, 1 Turns, Logarithmic, 200 mW, ± 20%, P160 Seriestt electronics1Buy Now
MC21062 - Knob, Splined Shaft, 6 mm, Rubber, Round Knurled with Indicator Line, 13 mmmulticomp1Buy Now
KPEG242 - Transducer, Piezo, Buzzer, Audio Indicator, Continuous, 3 V, 16 V, 7 mA, 70 dBkingstate1Buy Now
MCL053PD - LED, Red, Through Hole, T-1 3/4 (5mm), 10 mA, 2.1 V, 650 nmmulticomp64Buy Now
PN2222ABU . - Bipolar (BJT) Single Transistor, NPN, 40 V, 300 MHz, 625 mW, 600 mA, 35 hFEon semiconductor/fairchild16Buy Now
MCCFR0W4J0102A50 - Through Hole Resistor, 1 kohm, MCCFR0W4J Series, 250 mW, ± 5%, Axial Leaded, 250 Vmulticomp8Buy Now
MCCFR0W4J0331A50 - Through Hole Resistor, 330 ohm, MCCFR0W4J Series, 250 mW, ± 5%, Axial Leaded, 250 Vmulticomp8Buy Now
2465 - Development Board, PowerBoost 1000. LiPo Battery Charger, 5V, 1A, USB Boostadafruit1Buy Now
258 - Rechargeable Battery, 3.7 V, Lithium Polymer, 1.2 Ah, Connectoradafruit1Buy Now
46202LRX - Slide Switch, SPST, 46200R Series, 3 A, 125 Vswitchcraft conxall1Buy Now
MC01005 - Prototype Board, Phenolic, 1.6 mm, 160 mm, 115 mmmulticomp1Buy Now
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  • Former Member
    Former Member

    Hello. This code doesn't seem to work.

             case 1: {  

                int locations[]= {15, -1, -1, -1, -1}; for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break; 

             case 2: {  

                int locations[]= {5, 25, -1, -1, -1}; for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break;        

             case 3: {  

                int locations[]= {5, 14, 25, -1, -1}; for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break;                        

             case 4: {  

                int locations[]= {4, 15, 24, -1, -1}; for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break;          

             case 5: {  

                int locations[]= {4, 10, 15, 20, 24};  for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break;          

             case 6: {  

                int locations[]= {3, 9, 15, 19, 23};  for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break;          

             case 7: {  

                int locations[]= {4, 8, 15, 18, 24};  for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break;          

             case 8: {  

                int locations[]= {3, 8, 15, 18, 23};  for (int z = 0; z <= 5; z++) { baddieDetails[z]=locations[z];} } break;          

    Every time I attempt to upload to the Arduino, it says an error occurred while uploading the sketch.

    Any ideas?

    I'm using the Arduino LAFVIN Nano, in case you're wondering.

    Is it the code or my Arduino?

  • in reply to Former Member

    That code works on my Arduino-branded Nano as well as the white-label CH340-based compatibles that I have. You likely have a problem with either your IDE (not having the correct settings for your board) or the board itself. Are you able to get any sketches uploaded to your board at all?

  • Former Member
    Former Member in reply to airbornesurfer

    Strangely enough, I was NOT supposed to upload the code to my LAFVIN Nano as Arduino Nano code. I switched the board to "Uno" and uploaded fine.

    Still gives me a warning about those lines of code I mentioned, as well as a few other lines. Does it give you a warning when uploading?

    Say, could you provide a pinout for the Nano with the different functions of the pins in this project, as well as how the matrix is wired?

    I don't completely get the wiring of the components.

    Thanks!

  • in reply to Former Member

    It'll take me some time, but yeah, I'll work up a schematic for ya!

     

    I don't recall getting a warning like that when I was building it. Like I say, I can't really provide much support on that variation of the board simply because I'm unfamiliar with it.

  • Former Member
    Former Member in reply to airbornesurfer

    Is the schematic finished yet? I have stockpiled the components for this build and am eager to make it!

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