Modifications

AdaFruit Wave Shield Souder (voir la source)

Version du 8 mars 2012 à 12:10

3 597 octets ajoutés , 8 mars 2012 à 12:10

aucun résumé de modification

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Ceramic capacitors are non-polarized and can go in 'either way'

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[[Fichier:ADF-WaveShield-Souder12.jpg]]

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[[Fichier:ADF-WaveShield-Souder13.jpg]]

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Once you're sure you have '''C8''' correct, you can place the remaining 0.1uF ceramic capacitors '''C2, C3, C5, C6''' and '''C7'''.

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Ceramic capacitors are non-polarized and can go in 'either way'

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Note carefully where C5 goes, it doesnt go below C1 but rather next to the 1.5K resistor

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[[Fichier:ADF-WaveShield-Souder14.jpg]]

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Solder and clip the capacitors

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[[Fichier:ADF-WaveShield-Souder15.jpg]]

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Next is the DAC (digital-analog converter) '''IC2'''. This is what turns the data into music. Make sure you pick the DAC to solder in here, it says MCP4921 on it and has a stylized M.

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The chip has a notch in one end and that notch must line up with the notch in the silkscreen. In this photo, thats on the left

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[[Fichier:ADF-WaveShield-Souder16.jpg]]

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Flip over the board and solder in each pin of the chip. The pins are already quite short so you dont have to clip them

[[Fichier:ADF-WaveShield-Souder16-02.jpg]]

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[[Fichier:ADF-WaveShield-Souder17.jpg]]

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Next is the operational-amplifier (op-amp) '''IC3'''. It is used to buffer and amplify the output, so that it can drive a small speaker or headphones.

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This is a similar-looking chip to the DAC. Again, check that the notch matches the silkscreen notch. In this photo, thats to the left.

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Solder it in, just like you did with the DAC

[[Fichier:ADF-WaveShield-Souder17-02.jpg]]

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[[Fichier:ADF-WaveShield-Souder18.jpg]]

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Next is '''IC4''', the buffer to talk to the SD card. Match up the notch just like you did with the smaller chips.

[[Fichier:ADF-WaveShield-Souder18-02.jpg]]

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[[Fichier:ADF-WaveShield-Souder19.jpg]]

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Next is the 3.3V regulator '''IC1''' that provides a nice powersupply to run the SD card. The regulator comes in a semi-circular package, so make sure it matches up with the silkscreened image.

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[[Fichier:ADF-WaveShield-Souder20.jpg]]

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Turn the board over and solder/clip the three leads.

[[Fichier:ADF-WaveShield-Souder20-02.jpg]]

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[[Fichier:ADF-WaveShield-Souder21.jpg]]

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Next is the reset button and the ICSP header. These let you reset the Arduino manually, and reprogram it directly with a AVR programmer.

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The button will snap in, its symmetric so it goes in 'either way'. The header is also symmetric, make sure the long end sticks up

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[[Fichier:ADF-WaveShield-Souder22.jpg]]

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Solder in both components. Their leads are pretty short so you dont need to clip them.

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[[Fichier:ADF-WaveShield-Souder23.jpg]]

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Next are the three electrolytic capacitors '''C1 C4''' and '''C9''' .

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Electrolytic capacitors are polarized so make sure they go in the right way! The long lead is the positive lead, make sure that goes into the hole marked with a + as shown here.

[[Fichier:ADF-WaveShield-Souder23-02.jpg]]

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[[Fichier:ADF-WaveShield-Souder24.jpg]]

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Solder them in

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[[Fichier:ADF-WaveShield-Souder25.jpg]]

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Next is the headphone jack. It snaps into place right at the edge of the PCB.

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[[Fichier:ADF-WaveShield-Souder26.jpg]]

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Solder the jack in place. You'll want to clip the legs a little if you can, so that it will sit better on the Arduino.

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[[Fichier:ADF-WaveShield-Souder27.jpg]]

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Next is the volume potentiometer TM1. This is an audio-type 10K pot. It will slip into place pretty easily.

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[[Fichier:ADF-WaveShield-Souder28.jpg]]

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Solder all 5 pins of the potentiometer. Use plenty of solder so that it has a lot of mechanical strength

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[[Fichier:ADF-WaveShield-Souder29.jpg]]

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Next, break the 36-pin header strip into smaller sections so that the shield can be placed on the Arduino. You can use pliers or diagonal cutters. Clip off 2-6pin and 2-8pin pieces.

[[Fichier:ADF-WaveShield-Souder29-02.jpg]]

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[[Fichier:ADF-WaveShield-Souder30.jpg]]

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If you're using a Diecimila, Duemilanove, Uno or later Arduino, place the 6 and 8 pin headers into the female sockes.

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If you have an NG Arduino, you can place a 3-pin female header (not included) as shown, which will let you use the reset button.

[[Fichier:ADF-WaveShield-Souder30-02.jpg]]

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[[Fichier:ADF-WaveShield-Souder31.jpg]]

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Place the shield PCB onto the arduino so that all the holes match up with the header.

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[[Fichier:ADF-WaveShield-Souder32-02.jpg]]

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Solder in each and every pin of header

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[[Fichier:ADF-WaveShield-Souder33-02.jpg]]

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Next you can install the thumbwheel. Use a #0 screwdriver. Align the thumbwheel so it 'grabs' the potentiometer, then gently screw it in place.

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[[Fichier:ADF-WaveShield-Souder34.jpg]]

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Pins 13, 12 and 11 are used to talk to the SD card and cant be changed. The rest of the pins, however, are more flexible. Still, for all the examples on the site we'll be using this wiring, so it is suggested to just go with this.

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2 -> LCS

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3 -> CLK

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4 -> DI

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5 -> LAT

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10 -> CCS

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You can use any sort of wire. Solder the jumper wires in place.

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[[Fichier:ADF-WaveShield-Souder35.jpg]]

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Hooray you are done! Now onto the user manual...

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AdaFruit Wave Shield Souder (voir la source)

Version du 8 mars 2012 à 12:10

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