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[Meggy Jr RGB]

[12]

STEP 10: Leetle LEDs & Optional ISP connector

Part

#15

is a tiny 3mm diffused yellow LED

We’re adding 8 of these LEDs to the board,

in locations

through

The orientation matters. Each LED has a

flat facet

on the

plastic top on one side. That side also has a

short lead.

This side of the LED goes into the

round hole

The other side has a

long lead

and goes to the

square hole

Flat facet

Short lead

Long lead

Like so: Long lead (first!)

into the square hole.

Then push the LEDs flush to the

board and solder them in place.

Part

#16

is a 6-pin dual inline header

>>An

OPTIONAL PART

that most users

SHOULD NOT INSTALL

(It’s an auxiliary programming port for use with AVR ISP

programmers.

Do not

add this to your circuit board

unless

you

already have

and plan to use

an ISP programmer. It is not needed

for using Meggy Jr or for programming through a USB-TTL cable.)

f you’re

really sure

that you need it, add it on the back side of

the circuit board, underneath marked location

Marking on the top side

Installed on bottom side

(Pin 1 is marked.)

Содержание Meggy Jr RGB

Страница 1: ...Better Place One Evil Mad Scientist at a Time Evil Mad Scientist Laboratories Support http www evilmadscientist com forum Kit version 1 0 Manual v 1 01 An open source hardware software project designe...

Страница 2: ...h is a type of AVR microcontroller You can also use an 88 or 328 8x8 RGB LED Matrix Display That s 192 LEDs all together The LED matrix is socketed so that you can pull it out if necessary Lo Fi speak...

Страница 3: ...ncludes both the clippers and pliers shown here 3 Small fine point plier set Alkaline recommended 4 AAA batteries 3 You ll also need some solder Thin rosin core solder roughly 020 040 in diameter is t...

Страница 4: ...2 J3 jumper Header jumper fits onto J3 after soldering Header jumper fits onto J3 after soldering 1 23 b0 b1 KeyCap Round 2 24 b2 b3 b4 b5 KeyCap Square 4 25 Rubber feet 1 16 thick by 1 4 diameter har...

Страница 5: ...the circuit board 5 Clip off extra leads on back side flush to the board But not so flush that you re clipping the board itself Bend Insert Bend out Solder Clip Meggy Jr RGB 5 STEP 3 Adding first com...

Страница 6: ...oard in locations RB0 through RB8 RB s Part 6 is a transistor You ll need nine in locations Q0 through Q8 They need a little prep before soldering Note the kit includes one extra transistor Transistor...

Страница 7: ...or and trim their leads Flush The board so far Part 7 is a 10 pin right angle header This break away header splits into the parts that go into locations J2 and J3 1 Using small pliers grip the first t...

Страница 8: ...er Add this component to location L1 in the upper left corner of the circuit board The speaker has a marking on the top to indicate its orientation There are also corresponding marks on the bottom sid...

Страница 9: ...ctly to the pins of the chips so try to keep your soldering time to about one second per pin See also soldering tips in Step 3 To keep the chips in place while you solder slightly bend out the corner...

Страница 10: ...holes of location XTL you can ignore the middle hole Orientation Either way Part 13 is a 1200 F capacitor After a little prep this component will be installed in location C3 Orientation matters the n...

Страница 11: ...or goes to the side of the side marked on the circuit board Push the capacitor flush to the circuit board and solder it in place Part 14 is a 0 1 F ceramic capacitor Add five of these capacitors in lo...

Страница 12: ...Like so Long lead first into the square hole Then push the LEDs flush to the board and solder them in place Part 16 is a 6 pin dual inline header An OPTIONAL PART that most users SHOULD NOT INSTALL I...

Страница 13: ...it on a clean soft surface like a piece of paper This page will do nicely 2 With a bit of wiggle and firm even pressure slide one of the four socket strips onto the LED display pins as shown The 10 pi...

Страница 14: ...motion and put back in place if necessary Almost there Part 19 is a small tactile button switch This is an OPTIONAL PART that is not required but might be nice If installed the Meggy Jr RGB will be re...

Страница 15: ...pair of wire strippers handy you can cut the wires a bit shorter before attaching them See also step 16 From back side After soldering the wires it is recommended to cover the point where they enter t...

Страница 16: ...ard close to the four screw hole locations Suggested locations are shown in circles Meggy Jr RGB is designed to be mounted and used inside a handle set case that protects the circuit board from your f...

Страница 17: ...he handle set the carapace fits neatly over the LED display with cutouts for the speaker buttons and screw holes Drop the four nylon screws through the screw holes to help index the lower shell The lo...

Страница 18: ...your Meggy Jr to make sure that it s working correctly 2 Trim very short the leads of components that stick up where the velcro will go and 3 Figure out exactly where you ll be routing the battery bo...

Страница 19: ...y with Meggy Jr RGB in hardware software or elsewhere odds are that somebody knows how to help you out Your first stop should be the Evil Mad Scientist Laboratories forums http www evilmadscientist co...

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