Evil Mad Scientist Alpha Clock Five Bedienungsanleitung

Alpha Clock Five

hanumeric LED Clock & Data Dis

Devices

For version 2.0 kits

– Red,White, and Blue Editions –

Manual v. 2.2

An open-source hardware+software project. For support links,

design ﬁles, source code, & additional documentation, 

please visit: https://wiki.evilmadscientist.com/alpha

evilmadscientist.com

Line

Ref Des

Description

Manf./Vendor

Part number

Qty

n/a

Alpha Clock PCB, Rev C.

Evil Mad Scientist

60-0032

R5, R9

Resistor, 1/4 W Axial, 100 ohm

Digi-Key

100QBK-ND

R3, R4

Resistor, 1/6 W Axial, 10K

Digi-Key

10KEBK-ND

Resistor, 1/4 W Axial, 340 ohm 1%

Digi-Key

340XBK-ND

Resistor, 1/4 W Axial, 681 ohm 1%

Digi-Key

681XBK-ND

RP1, RP2

Res. pack, 10K, NOTE POLARITY

Digi-Key

4606X-1-103LF-ND

RP5, RP6

Res. pack, 1k isolated

Digi-Key

CSC1.0KG-ND

Socket, DIP, 0.6” wide, 40 pin

Digi-Key

3M5471-ND

Socket, DIP, 0.3” wide, 24 pin

Digi-Key

3M5466-ND

Socket, DIP, 0.3” wide, 16 pin

Digi-Key

3M5463-ND

Socket, DIP, 0.3” wide, 14 pin

Digi-Key

3M5462-ND

Header, 0.1”, 6 pin, DIL (extra long)

Digi-Key

609-3370-ND

Header, female, 4 pin

Digi-Key

S7037-ND

Power jack, 2.1 mm x 5.5 mm

Digi-Key

CP-002AH-ND

C5, C6

Capacitor, ceramic, 18 pF

Digi-Key

BC1004CT-ND

C1-3, 7, 8, 10, 12

Capacitor, ceramic, 0.1 uF

Digi-Key

BC1148TR-ND

XTL

Crystal: 16 MHz, 20 ppm

Digi-Key

535-9041-ND

J2, J5

Header, 0.1”, 6 pin, SIL, RA

Digi-Key

WM6106-ND

LED, 3 mm, White Diffused

Betlux

BL-L312-UWW

Q1-Q6

PNP transistor, type 2STX2220

Digi-Key

497-7067-ND

TL750L05 voltage regulator

Digi-Key

296-8002-5-ND

C4,C9, C11

Capacitor, aluminum, 100 uF, 16 V

Digi-Key

493-1040-ND

S1-S5

Switch, tactile RA, tall button

Digi-Key

P10880S-ND

Buzzer, Magnetic

Digi-Key

102-1155-ND

IC, microcontroller, ATmega644A,

preprogrammed with firmware v 2.0

Digi-Key

ATMEGA644A-PU-ND

IC, LED Driver, type MBI5026

Macroblock

MBI5026GN

IC, LED Driver, type MBI5168

Macroblock

MBI5168GN

IC, Buffer, type SN7407N

Digi-Key

296-1436-5-ND

n/a

Bracket, right angle, 6-32 threaded

Digi-Key

4334K-ND

n/a

6-32 x 3/8" Phillips Screw

McMaster-Carr

91772A146

LD1-LD5

Machine Pin Socket, 10 pin SIL

JameCo

102201

LD1-LD5

LED, Alphanumeric White 2.3" (each)

Betlux

BL-S230B-13W-12

n/a

Power Supply 9 V 1 A (2.1 mm plug)

Various

n/a

Chronodot Module

Macetech

To put your kit together, you’ll need the build instructions.

Please visit: http://wiki.evilmadscientist.com/alpha

This document lists everything that comes with the kit.

If you find that anything is missing or broken, please let

us know right away and we’ll get you squared away.

>>> sales@evilmadscientist.com <<<

BILL OF MATERIALS:: Alpha Clock Five, White Edition. Kit version 2.0 / Firmware version 2.0

Line

Description

Manf./Vendor

Part number

Qty

Acrylic Case, front (smoke)

Evil Mad Scientist

61-0039

Acrylic Case, back (smoke)

Evil Mad Scientist

61-0036

Acrylic Case, top (black)

Evil Mad Scientist

61-0037

Acrylic Case, bottom (black)

Evil Mad Scientist

61-0038

Hex nut, zinc plated, 4-40

McMaster-Carr

90480A005

4-40 x 1/2” Phillips screw, black

McMaster-Carr

91249A111

Case kit:

[2]

Your kit comes with a bill of materials, the authoritative,

up-to-date list of what’s included with your particular kit. In the instructions, we refer to components by their line

item number on the bill of materials. For example, #1 on

the BOM is the Alpha Clock Five printed circuit board.

Assembly Step 1 – Line numbers and the BOM

This assembly guide covers both the Red, White, and Blue

editions of Alpha Clock Five.These editions have slightly different

circuitry, and thus different instructions in several of the

assembly steps. In those steps, please pay careful attention to

follow the instructions labeled for your color of clock.

(There are also “Basic Edition” Alpha Clock Five kits, which are

normal Alpha Clock Five kits except that they do not include the

Chronodot module or acrylic case.)

Acrylic Case

Chronodot Module

[Alpha Clock Five Assembly Guide]

Four Essential tools: Needed to build the kit:

Suggested, but not required

[Alpha Clock Five Assembly Guide]

And for the adventurous...

1. USB-TTL Cable

FTDI model TTL-232R or equivalent. A “smart”

converter cable with a USB interface chip inside. One end

hooks up to your USB port, the other to the clock. This

allows you to program the Clock through a modiﬁed

version of the Arduino development environment 

( http://arduino.cc/ ).

Besides programming, the cable can also be used to sync

the time or display data on the clock through a serial

program. 

2. Computer, Internet access, USB port....

All of the software and source code that you’ll need to reprogram Alpha

Clock Five is available online for free. You’ll need a reasonably recent

vintage computer (Mac,Windows, or Linux) and internet access.

Additional information is available at the project page:

http://wiki.evilmadscientist.com/alpha

Resistor lead forming tool

Allows fast, neat bending of resistor leads. Not that many parts

like this in the kit, but if you like it extra nice....

[3]

Phillips-head screwdriver, medium size. (#1 is ideal.)

4. Screwdriver

Alpha Clock Five is a soldering kit. You’ll

need certain tools and supplies to build it.

1. Soldering iron

2. Solder

3.Angle Flush Cutters

Thin rosin core solder.

60/40 solder is easy to use;

diameter of .025” or so is typical

for work like this.

Either standard (lead-bearing) or newer 

“lead free” solder types will both work

just ﬁne.

For clipping loose wire ends.

e.g., Sears Craftsman

A basic soldering iron meant for electronics, with a

reasonably ﬁne point tip. We recommend one of

this design-- a "pencil shape" soldering iron (not

gun!) with a base that holds the iron and a wet

sponge.

While you don’t need an expensive one, the iron

can make a big difference in the time needed to

build the kit. (Seriously. If you use one that is old

and busted, or an ultra-low-end $10 iron, expect

to spend at least twice as long soldering!)

Our recommendation for a low-cost iron: 

WLC100 by Weller, about $40.

Assembly Step 2 – Tool Checklist

The Alpha Clock Five printed circuit board (PCB),

listed as line item #1 on your bill of materials.

Assembly Step 3 – Circuit board and first component locations

Our ﬁrst assembly step will be to add components in

locations R5 and R9 on the circuit board. Locate these two

locations on your circuit board, as shown highlighted here.

[Alpha Clock Five Assembly Guide] [4]

Sanity check!

This set of instructions is for Alpha Clock Five kits version 2.0,

which are based around revisions C/D of the circuit board.

To make sure that you’re reading the right set of instructions, conﬁrm at

this time that your circuit board says “Rev. C” or “Rev. D” at the location

shown by this here arrow.

Assembly Step 4 – Place the first resistor

Parts #2. Our ﬁrst components are 100

Ohm resistors. Identify them by their

color code: Brown-Black-Brown-Gold

The resistors are normally taped

together like the ones shown here. Pull

the tape straight off to remove it.

Take one of the resistors, 

and bend it like so.

Insert it at location R9

(the orientation does not matter) Next up: Soldering tips!

Our ﬁrst component type is a 100 ohm resistor,

part #2.For this ﬁrst one, we’ll take it slowly.

And press it ﬂush to the board

[Alpha Clock Five Assembly Guide] [5]

[6]

(0). Pre-form the leads of components if needed. 

(For example, like the resistor in the last step.)

(1). Insert each component into the circuit board, from

the top, at its given location. Push it ﬂush to the board

(Note that some components, like the chips and LEDs, 

need to be inserted with a particular orientation.)

(2). If your component has ﬂexible leads, gently bend the leads

out, up to 45°, to hold it in place while you solder.

(3). One at a time, from the back side, solder the leads of

the component to the circuit board.

(4). If the component has long and/or or ﬂexible leads, clip off

the extra length, close to the board. (But not so close that

you’re clipping the board itself.)

• Your tip needs to be shiny (tinned). If not, melt some fresh

solder against it and quickly swipe clean on a wet sponge.

• Place the solder against the joint that you wish to connect.

• Touch the iron to the solder and joint for about one second.

Count it out:“one thousand one.”

• The solder should melt to the joint and leave a shiny

wet-looking joint. If not, let it cool and try again.

Adding components to the circuit board



As the old Heathkit manuals say, “it is interesting to note” that the vast majority of problems

reported with soldering kits turn out to be due to unreliable solder connections.

Before we go further, here’s a quick refresher, with our suggested procedures for adding

components to the circuit board. These procedures apply to most components in the kit.

To be continued...

(3) Solder!

(4) Clip!

(1) Insert! (2) Bend!

45°, max

Assembly Step 5 – Some tips on soldering

[Alpha Clock Five Assembly Guide]

And ﬁnally, repeat this procedure, to install the

other #2 resistor at location R5.

Assembly Step 6 – Solder that first resistor

On the back side, Bend out the two leads of the resistor

(Where we perform those steps that we just described!)

Solder both pins to the board.

Inspect the solder joints. Make sure

that they look shiny, wet, and clean,

to ensure a good connection.

Clip the excess leads short.

Bend!

[7][Alpha Clock Five Assembly Guide]

Assembly Step 7 – Install Resistor #3

[Alpha Clock Five Assembly Guide] [8]

#3 is the only smaller size resistor. Up close, the color stripes are

brown-black-orange-gold.

Parts identiﬁcation:

Next, solder parts #3, two 10 k resistors,



into locations R3 and R4.

Assembly Step 8 – Install Resistors #4 & #5

[Alpha Clock Five Assembly Guide] [9]

Part #5 is a 681 ohm “1%” resistor. There’s

just one of these. Solder it in at location R2.

The resistor’s color code is:

blue-gray-brown-black-brown

The color code on this resistor is

orange-yellow-black-black-brown

Part #4 is a 340 ohm “1%” resistor. There’s

just one of these. Solder it in at location R1.

Assembly Step 9 - Resistor packs.

[Alpha Clock Five Assembly Guide]

For RED Alpha Clock Five only:

If you are building a WHITE or BLUE Alpha Clock Five,



skip ahead to the next page, Step 9B.

JP1 RP4

RP3

Parts #6 are two 560 ohm resistor packs.

Insert them into locations RP3 and RP4,

and solder all six pins of each into place.

(The orientation does not matter.)

You may ﬁnd it helpful to slightly bend out

one or two of the pins of each, on the

bottom side, to hold them in place while

you solder.

Part #7 is a single “zerohm” jumper; it looks

like a resistor with a single black stripe. 

Install it, as you would a resistor, at location JP1.

After installing these three components,

advance to Step 10, skipping Step 9B.

Highlighted here are the component locations

for JP1, RP3, and RP4 on the circuit board:

[10]

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