THE UNOFFICIAL
1
Pushbutton to 12V Should you need to connect Arduino inputs to a DC voltage higher than 5V
ARDUINO
+12V
basic connections Optocoupled inputs
Pin Goes HIGH when button pressed
Used when galavanic separation between external circuitry and Arduino circuit is required
5V
5V
10KΩ
1KΩ
Pushbutton to GND MAX +12V
1KΩ
A
C
IN
470Ω
10KΩ
100nF
IN
K
E
IN To reduce the interferences add a capacitor
Vin LOW
A
B
K
C
NC
E
When using this circuit for 24 volts input increase R to 2200Ω
Pin Goes LOW when button pressed
Using Internal Pullup 5V
4N25 Pin Goes HIGH when button pressed
Pushbutton to 5V
Trimmer or Potentiometer
Photoresistor
5V 5V Pin Goes HIGH when button pressed
IN
IN
Pin Goes LOW when button pressed
IN 1KΩ
IN 10KΩ
5V
Analog Input
IN
Analog Input
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03 APR 2013 ver 1 rev 0
THE UNOFFICIAL
Dual LEDs or bi-color LED
2
LED clusters +12V
5V
ARDUINO 470Ω
470Ω
basic connections A
K A
#Leds Resistor Value
A
Connect a Led
1KΩ 820Ω 750Ω 680Ω 470Ω 390Ω
HIGH
K
5V
470Ω
OUT A A
LOW
K
A
K
K A
K
470Ω
Led goes ON when pin is set to LOW
A
K
OUT
Leds goes ON when pin is set to LOW
K
NPN Connect a Lamp (DC Low Voltage) Connect a Led
2.2KΩ
OUT C
A
E
E
K
B
B
1N4007
K
OUT
C
2N2222
Led goes ON when pin is set to HIGH
K
A
A
Lamp goes ON when pin is set to LOW
NPN
E B
BC337
2.2KΩ
470Ω
C
OUT A
K
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03 APR 2013 ver 1 rev 0
3
THE UNOFFICIAL
ARDUINO
Connect an Audio Amplifier
Connect a Relay +5V ... 12V
basic connections
Relè 100Ω A
OUT
K
1µF
RCA
A
K
1KΩ
1N4007 Relay goes ON when pin is set to HIGH
NPN C 2.2KΩ
B
OUT
C
E
E B
BC337 Connect a Buzzer Connect a Mosfet +48V
100Ω
OUT Mosfet excited when pin is set to HIGH
GDS
IRL540
OUT MAX 2.5A G
100Ω
22KΩ
OUT
D
Buzzer
S
Reccomended only for Switch or in Low frequency applications.
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ND
03 APR 2013 ver 1 rev 0
4
THE UNOFFICIAL Connect a Speaker
ARDUINO basic connections
8Ω
100KΩ
1KΩ
+5V
NPN
C
10µF 16V 100Ω
10µF 16V
B
OUT
100Ω
22KΩ
E
100µF 16V
C
E
E
C B
B
2N2222
A
B
K
NC
NC
E
Connect a Triac
TLP3020
470Ω
A
6
1KΩ
100Ω
OUT
1/2 W
A2
Yuou can use a PWM pin
100nf
TRIAC
K
4
G A1
100nf 630V
AC IN www.pighixxx.com BY
ND
03 APR 2013 ver 1 rev 0
THE UNOFFICIAL
Connect a RGB Led Strip
5
+12V
ARDUINO basic connections
100KΩ
OUT You can also use a PWM pin
D
G
100Ω 100KΩ
R B
S D
G
100Ω
OUT 100KΩ
A
+12 G
S
OUT
Connect a DC Motor
D
G
100Ω
S
K
1N4007
GDS
IRL540 Connect an Encoder
Clockwise
K
Fase 1(A)
1µF
10KΩ
A
IN A
Fase 2(B)
C
10KΩ
IN
B
100KΩ
OUT
D 100nF
G
100Ω
Set Pin to HIGH Motor ON
Counterclockwise
100nF
You can also use a PWM pin
S
B A C
GDS
IRL540 www.pighixxx.com BY
ND
03 APR 2013 ver 1 rev 0
THE UNOFFICIAL
ARDUINO
Bi-Directional Voltage Level Converter 3.3V to 5V
Bi-Directional Voltage Level Converter 3.3V to 5V with voltage divider
basic connections 5V
6
10KΩ
4,7KΩ
5V
IN/OUT
10KΩ
IN/OUT 2N7000
10KΩ
10KΩ
3,3V
IN/OUT
IN/OUT 2N7000
S
D G
TTL / CMOS converter (6 inputs/outputs)
S
TTL / CMOS converter +12V
G
CMOS voltage
10KΩ
+5V
D
IN
VCC
VDD
Aout
Fout
Ain Bout Bin Cout
MC14504B
OUT
TTL 0-5V
OUT
NPN 2,2KΩ
IN
Fin
MODE
Eout Ein
Cin
Dout
GND
Din
C
E
E
C B
B
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03 APR 2013 2N2222
ver 1 rev 0
7
THE UNOFFICIAL
ARDUINO basic connections
Connect a Microphone
Connect a Servo
OUT 5V
22KΩ
100KΩ
+2,5V
Digital Output
IN
NPN
1KΩ
Analog Input 3,3KΩ
MIC
C
E
E
4,5 - 6V Connect to an external power supply!
10µF
C B
B
2N2222
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ND
03 APR 2013 ver 1 rev 0
THE UNOFFICIAL
8
Out1 Out2 Out3
ARDUINO basic connections
OUT
Charlieplexing
270Ω
OUT1
H=High, L=Low, i=Input
7 Segments Display 270Ω
OUT2
5V common
5
7
270Ω
270Ω
OUT3
OUT
9
OUT
10
OUT
1
6
OUT
3
OUT
4
OUT
2 A
K
10
9
8
7
6
1
2
3
4
5
270Ω
OUT OUT
270Ω
OUT 270Ω
OUT 270Ω
OUT www.pighixxx.com BY
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03 APR 2013 ver 1 rev 0
9
THE UNOFFICIAL
ARDUINO basic connections LED Array
OUT
7 Segments Display (Common Anode) with Multiplexing 5V common
OUT 1KΩ
OUT 1KΩ
OUT
OUT 1KΩ C
OUT
E B
OUT
7
OUT
5
11
OUT
16
270Ω
6
3
2
270Ω
8
OUT
OUT
14
OUT
13
OUT
1
270Ω x 4
OUT OUT
270Ω
270Ω
OUT
270Ω
BC337
1KΩ
15
OUT
A
K
270Ω
LTC-2623
OUT 270Ω
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OUT 270Ω
OUT
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03 APR 2013 ver 1 rev 0
10
THE UNOFFICIAL
ARDUINO basic connections
7 Segments Display (Common Anode) with MAX7221 1
14
11
8
13 16
1
7 5
3
2
15
LTC-2623 16
15
14
13
12
11
10
DOUT
DIG0
SEGD
6
DIG4
SEGDP
3
GND
SEGE
5
DIG6
SEGC
2
11
DIG2
8
DIG3
DIG7
14
SS
MAX7221
1
1
DIN
7
GND
SEGB
DIG5
SEGF
16
DIG1
SEGA
13
LOAD CS
CLK
4
5
6
7
DIG4
SEGDP
GND
SEGE
DIG6
SEGC
DIG2
8
DIG7
Iset
RX
3
SEGD
DIG3
V+
SEGG
2
DIG0
9
5V
MOSI
DOUT 24
15
Current
1.5v
RX 2.0v
40ma 30ma 20ma 10ma
12KΩ
12KΩ
11KΩ
10KΩ
10KΩ
18KΩ
17KΩ
16KΩ
15KΩ
14KΩ
30KΩ
28KΩ
26KΩ
24KΩ
22KΩ
68KΩ
64KΩ
60KΩ
56KΩ
51KΩ
2.5v
3.0v
3.5v
12
MAX7221
6
DIN
V+ Iset SEGG
GND
SEGB
DIG5
SEGF
DIG1
SEGA
LOAD CS
CLK
13
SCK
0,1µF
10µF
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ND
03 APR 2013 ver 1 rev 0
11
THE UNOFFICIAL
ARDUINO basic connections Connect a LCD HITACHI 44780 compatible
use PWM to change LCD brightness
1 Vss
1KΩ
D10 Optional
Contrast Register Sel
5 R/W
Read/Write
E
Enable
7
D0
Data bit 0
8
D1
Data bit 1
9
D2
Data bit 2
10 D3
Data bit 3
11 D4
Data bit 4
12 D5
Data bit 5
B
13 D6
Data bit 6
BC337
14 D7
Data bit 7
15
A
+Backlight
16
K
-Backlight
D3 C
D5
RAW
3 Vee 4 RS 6
D2
D4
GROUND
2 Vdd
E
D11
Used for 4bit mode
D12 10KΩ
5V
Connect to Ground if LCD Brightness is not used
270Ω
1 2 3 4 5 6
11 12 13 14 15 16
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03 APR 2013 ver 1 rev 0
BC337
A1
A2
P0
P1
P2
P3
Vss
B A0
P4 P5 P6 P7 INT SCL SDA
VDD
SCL
INT
P7
P6
PCF8574x
SDA
A2
P0
P1
P2
P4
ARDUINO
1 Vss RAW
GROUND Contrast
7
6
D2
D1
D0
E
Data bit 6
Data bit 5
Data bit 4
Data bit 3
Data bit 2
Data bit 1
Data bit 0
Register Sel
10 D3
Data bit 7
RS
2 Vdd 3 Vee
11 D4
+Backlight
4
12 D5
-Backlight
Enable
13 D6
8
A
14 D7
9
K
Read/Write
15
5 R/W
16
11 12 13 14 15 16 1 2 3 4 5 6
E C
Vss
SDA
P5 1KΩ
P3
SCL
A1
Connect via I2C a LCD HITACHI 44780 compatible
VDD
basic connections
A0
12 THE UNOFFICIAL
PCF8574x
10KΩ
5V
ND BY
Used for 4bit mode
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03 APR 2013 ver 1 rev 0
13
THE UNOFFICIAL
ARDUINO basic connections
Connect a NOKIA LCD (Basic) Only for 5V Arduino
7
5
3
1
8
6
4
2
7
5
3
1
8
6
4
2
SCK
D/C
SCE
VDD
LED
SDIN
RES
GND
VOUT
SCE
SDIN
VDD
RES
GND
D/C
SCK
NOKIA 3110
NOKIA 5110 K
A
1N4148 x 4
5V
VDD D/C SCE SDIN RES
D12 1.8KΩ
D2 1.8KΩ
D3 1.8KΩ
D4 1.8KΩ
D5
120Ω
LED
1.8KΩ
D6
SCK 3.3KΩ
3.3KΩ
3.3KΩ
3.3KΩ
3.3KΩ
4.7µF
VOUT
3.3KΩ =
1.8KΩ = www.pighixxx.com
GND BY
ND
03 APR 2013 ver 1 rev 0
14
THE UNOFFICIAL
ARDUINO
Drive a Unipolar Stepper (Basic 1)
basic connections 1
D8 D9 D11
OUT1
IN2
OUT2
IN3
OUT3
IN4 IN5 IN6
IN1
OUT1
IN2
OUT2
IN3
OUT3
IN4
OUT4
IN5
OUT5
IN6
OUT6
IN7
OUT7
GND
COM
ULN2003
D10
IN1
2
3
6
4
OUT4 OUT5 OUT6
5
IN7
OUT7
GND
COM
External Motor Supply Not Arduino Supply!
Drive a Bipolar Stepper (Basic 1)
22Ω 22Ω
ULN2003
D9 D11
OUT1
IN2
OUT2
IN3
OUT3
22Ω = IN4 IN5 IN6
ULN2003
D10
IN1
OUT4
22Ω
D8
OUT5 OUT6
IN7
OUT7
GND
COM
22Ω Zener 12V
All Resistor 1/4W K
12
External Motor Supply
A
Not Arduino Supply!
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ND
03 APR 2013 ver 1 rev 0
15
THE UNOFFICIAL
ARDUINO
Connect a graphical LCD via I2C
basic connections
5V
GPA7
GPB1
GPA6
GPB2
GPA5
GPB3
GPA4
GPB4
GPA3
INTB
RES
A2
A1
A0
VSS
NC
SCL
SDA
NC
GPA0
INTA
GPA1
GPA2
GPA3
GPA4
GPA5
GPA6
GPA7
GPA1 GPA0
VDD
RES
GPB7
NC
GPB6
INTB
GPB4
VSS
GPB5
MCP23017
INTA
GPB3
VDD
GPA2
GPB2
GPB7
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
GPB1
GPB6
10KΩ
GPB0
GPB5
MCP23017
GPB0
7 8
SCL
9
A2
10
SDA
11
SDA
A1
12
SCL
13
NC
14
A0 15 16 17
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03 APR 2013 ver 1 rev 0
THE UNOFFICIAL
ARDUINO FTDI Connector
basic connections
DIY Arduino 5V
16
Simple 5V Power Supply 100nF
FTDI A
K
10KΩ
K
1
IGO
+
100nF
OUT 5V
47µF 16V
+
RESET (rx)D0 (tx)D1
D2 D3 D4
330Ω
100nF
DCIN 12 24V
220µF 50V
7805
22pF
100nF
PC6
PC5
PD0
PC4
PD1
PC3
PD2
PC2
PD3
PC1
PD4 VCC
22pF
GND PB6
Protect a I/O Pin K
D5 D6 D7 D8
16MhZ
A 5.1
220Ω
Digital Pin
Reset
100nF
RTS TX RX Vcc CTS GND
1N4007
In/Out
ATMEGA328
A
AN5 AN4 AN3 AN2 AN1 AN0 AGND Aref AVcc D13 D12 D11 D10 D9
PC0
GND AREF
AVCC
PB7
PB5
PD5
PB4
PD6
PB3
PD7
PB2
PB0
PB1
Zener 5.1V
1 PC6
19 PB5 18 PB4
GND
A
K
330Ω
RESET
5V
17 PB3 www.pighixxx.com
Recommended ICSP pinout BY
ND
03 APR 2013 ver 1 rev 2
THE UNOFFICIAL
Connect a SD Card
ARDUINO 3.3V
basic connections
VCC
NC
Aout
Fout
MC14050B
Ain Bout
D12 MISO D10 SS
Bin
D11 MOSI D13 SCK VCC
Aout
Ain
Bout
Bin
Cout
Cin
GND
Cout
MC14050B NC
Fout
NC
Fin
Eout
Ein
Din
Dout
Ein Dout
GND
Din
Clock GND
Vi
DOut
LM317
Adj
+
75Ω
+
100nF
DCIN 5V
10µF 16V
Vo
470Ω
Reserved
330Ω
Reserved
5 6 7 8
100µF 16V
ChipSel
3 2 1 9
Eout
Only for 5V Arduino
4
DIn
NC
Simple 3.3V Power Supply
VCC
GND
Fin
Cin
SD Card Pinout
17
OUT 3.3V
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LM317 (TO-92)
ND
03 APR 2013 ver 1 rev 0
18
THE UNOFFICIAL
ARDUINO Connect a RTC (DS1307)
basic connections
Connect a Temperature Sensor (LM35)
5V 32768Khz
LM35
X2
VCC
Vbat
Out
GND
A1
VCC
10KΩ
5V GND
DS1307
X1
SQW
SCL
SCL
SDA
SDA
3V Battery
A0 18KΩ
GND
X1
Out
LM35 (TO-92)
No 3V Battery? Connect Vbat to ground. A
X2 Vbat
K
VCC
DS1307
VCC
1N4148 x 2
SQW SCL
GND
SDA
Connect to VGA Connect to Composite Video 1 470Ω
470Ω
470Ω 1 1KΩ
Sync
9
6
Front
Video
7
11
470Ω 68Ω
68Ω
Rear
VSync
10
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ND
3
03 APR 2013
HSync
ver 1 rev 0
19
THE UNOFFICIAL
ARDUINO basic connections Connect a Keypad
Connect a Keypad (with Interrupt)
2 + 3
3
1 + 2
1
5
2 + 5 3 + 7
2
1 + 7 5 + 7
7
3 + 6 1 + 6
6
5 + 6
4
3 + 4 1 + 4 4 + 5 1 2 3 4 5 6 7
1 2 3 4 5 6 7
K
A
1N4148 x 4
IN
IN IN
IN IN
IN
IN
IN IN
IN IN
IN IN
IN 2 www.pighixxx.com BY
ND
03 APR 2013 ver 1 rev 1
20
THE UNOFFICIAL
ARDUINO basic connections
Connect a IR Sensor TSOP4836 SFH5110
TSOP1736 SFH506 TFMS5360
TSOP1836 NJL61H380
SFH505A
Connect a IR Emitter IS1U60
PIC12043S
NPN
39Ω
1KΩ
K
OUT
5V
A
100nF
A
100Ω
VCC
IR
C
E
E
S
+
TSAL6200
C B
B
4.7µF
GND
K
5V
2N2222
12KΩ
IN
Reccomended to suppress power supply disturbances
R=
Vin - VF 1000 IF *
Vin Source Voltage VF Forward Voltage IF Forward Current
Led Led
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ND
03 APR 2013 ver 1 rev 0
21
THE UNOFFICIAL
ARDUINO
5V
Connect a MAX232
basic connections C1+
4 x 1µF
+
TX2
TX1 RX1 RX2
V+
GND
C1-
T1OUT
MAX232
+
VCC
C2+
+
C2-
7
14 12
GND
C1-
T1OUT
C2+ C2-
MAX232
V+
+ T2OUT
T2IN
R2IN
R2OUT
GND
Rear
R1IN A
K
R1OUT
V-
T1IN
T2OUT
T2IN
TXD 3
R2OUT
R2IN
RTS Tx Rx Vcc
100nF T1IN
1KΩ
VCC
V-
R1OUT
1KΩ
C1+
9
100nF
R1IN
DTR
4
GND
5
2
RXD
1
DCD
Front
8 RX2
RS-232 TTL/CMOS
10 11 13 TX2 TX1 RX1 RI
9
6
DSR
CTS
8
7
RTS
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ND
05 APR 2013 ver 1 rev 0
22
THE UNOFFICIAL
ARDUINO basic connections
MIDI Interface +5V
MIDI IN
MIDI OUT
Multiple Buttons using 1 Analog Input
1.2KΩ 220Ω
+5V
K K
Vcc
6N137
A
5.6KΩ
1KΩ
NC 220Ω
VE
100nF
VO
A
NC
GND
1KΩ
1N4148
RX (pin 0)
Vcc
A
VE
K
VO
NC
GND
1KΩ
NC
1KΩ
TX (pin 1)
Analog Input 1KΩ
6N137 GND
1MΩ
2 MIDI OUT
Current Source Current Sink
NC
3
5
IN 4
Current Sink Current Source
1
MIDI IN
NC www.pighixxx.com BY
ND
06 APR 2013 ver 1 rev 0
THE UNOFFICIAL
ARDUINO basic connections Connect a Digital Temperature Sensor (DS18B20)
GND
DS18B20
VDD GND
DS18B20
VDD GND
DS18B20
A simple Rain Sensor with Arduino
23
MAXIM 18B20
VDD
+5V DQ
DQ
4.7KΩ
DQ
IN
100nF
GND
VDD +5V
DQ
DS18B20
~ Max 40mt (130 ft) on CAT5 cable
470Ω 1KΩ 2.2KΩ
B
K
C
NC
E
5V
47KΩ
A
1MΩ
Voltin Resistor Value
10KΩ
AC input
4N25
E
C B
47KΩ
BC517
A
Rx
C
470Ω 10µF 16V
IN
A
K
1N4007 Vin LOW
4N25
IN
+
E
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ND
06 APR 2013 ver 1 rev 0
24
THE UNOFFICIAL
ARDUINO basic connections
Connect a PS2 Keyboard
Scan Codes 100Ω
10KΩ
IN
+5V
76
05
0E
16
04
1E 15
0C
26 1D
03
25 24
0B
2E 2D
83
36 2C
0A
3D 35
01
3E 3C
09
46 43
45 44
78 4E
4D
07 55
54
66 5B
5D
10KΩ
0D
06
58
100Ω
IN
1C
12
NC
6
5
Clock
5V
4
3
GND
NC
2
1
Data
14
1B
1A
11
23
22
2B
21
34
2A
33
32
3B
31
42
3A
4B
41
4C
49
52
5A
4A
59
29
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ND
07 APR 2013 ver 1 rev 0
25
THE UNOFFICIAL
ARDUINO basic connections Connect a EEPROM via I2C
Write operations Enabled
xx24x01x
1Kb
xx24x32x
32Kb
xx24x02x
2Kb
xx24x64x
64Kb
xx24x04x
4Kb
xx24x128x
128Kb
xx24x08x
8Kb
xx24x256x
256Kb
xx24x16x
16Kb
xx24x512x
512Kb
Write operations Disabled
A0
Vss
SCL SDA
24XXXX +5V
100nF
A0 A1 A2 Vss
Vcc WP SCL SDA
2.2KΩ
A2
WP
24XXXX
Address 0x50 0x51 0x52 0x53 0x54 0x55 0x56 0x57
24XXXX
A1
Vcc
SCL SDA
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ND
07 APR 2013 ver 1 rev 0
26
THE UNOFFICIAL
ARDUINO basic connections
A Simple programmer
®
Connect a PS2 Dualshock controller
K
10KΩ
Rear
A
1N4148 10KΩ
3.3V
33KΩ
GND
Attention
Clock
Vib.Motor
MOSI
NC
ICSP
ACK 100nF 4.7KΩ
K
A 5.1
C
Zener 5.1V
E B
BC547
13
MISO
5V
SCK
MOSI
RESET
GND
10
+3.3V
11
MISO
4.7KΩ
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ND
08 APR 2013 ver 1 rev 0
27
THE UNOFFICIAL
ARDUINO
Port Expander (PCF8574xx)
basic connections
A0
VDD
PCF8574xx informs the microprocessor that there is incoming data or a change of data on its ports without having to communicate via the I2C communication bus.
A typical Application +5V
A1
P2
2.2KΩ
INT P7
A0
VDD
A1
SDA
A2
SCL
Absolute max per pin 25mA Absolute max 150mA for entire package
P6
P0 P1
P3
P2
P5
SCL 2
INT P7
330Ω P6
330Ω
P4
VSS
SDA
P3
P5
VSS
P4
SCL
A
SDA
In applications requiring additional drive, two port pins may be connected together to sink up to 50-mA current.
K
2.2KΩ
P1
100nF
SCL
PCF8574
P0
PCF8574xx
A2
Address PCF8574 PCF8574A 0x38 0x20 0x39 0x21 0x3A 0x22 0x3B 0x23 0x3C 0x24 0x3D 0x25 0x3E 0x26 0x3F 0x27
SDA
K
How to connect multipe devices
A
1N4148 B
Buzzer
NPN
+5V E VDD
A0
VDD
A1
SDA
A1
SDA
A1
SDA
A2
SCL
A2
SCL
A2
SCL
INT
P0
INT
P0
P7
P1
P7
P1
P0 P1 P2 P3 VSS
20
P6
P2
P5
P3
P4
VSS
21
P6
P2
P5
P3
P4
VSS
PCF8574
A0
PCF8574
VDD
PCF8574
A0
C
INT
C
E
P7
B P6
BC337
P5
22
P4
www.pighixxx.com BY
ND
10 APR 2013 ver 1 rev 1
28
THE UNOFFICIAL
ARDUINO
Shift Register (74HC595)
basic connections
A typical Application
7
QG
8
QH
SRCLR
GND
QH’
330Ω
QF
A
(RCLK) Needs to be pulled HIGH to set the output to the new shift register values. This must be pulled high directly after SRCLK has gone LOW again. (SRLCK) When this pin is pulled high it will shift the register.
RCLK
SRCLK
(Serial Clear) Clear) (Serial Shift Register Register Shift Must be be pulled pulled Must
K
+5V
Will empty empty the the whole whole Will if pulled pulled LOW. LOW. if HIGH to to enable. enable. HIGH
8
6
(Output Enable) This pin enables the output when tied to GND & disabled when HIGH.
OE
10
QE
74HC595
5
The pin (QH’) contains the overflow that is shifted out the other end
VCC
SER
QA
QD
QB
4
(Ser) Input for the next pin that gets shifted in.
1
QC
QA
QD
QC
QE
3
QF
VCC
QG
QB
QH
2
GND
8
Absolute max per pin 20mA
74HC595 9
OE
SER
RCLK
SRCLK
QH’
SRCLR
How to connect multipe devices +5V
100nF
QC
QA
QD
SER OE
QE
RCLK
QF
QE QF
9
QG
VCC
QB
QC
QA
QC
QA
QD
SER
QD
SER
OE
QE
RCLK
QF
VCC
74HC595
QB
74HC595
VCC
74HC595
10
QB
OE RCLK
SRCLK
QG
SRCLK
QG
QH
SRCLR
QH
SRCLR
QH
SRCLR
GND
QH’
GND
QH’
GND
QH’
SRCLK
www.pighixxx.com BY
ND
10 APR 2013 ver 1 rev 0
ARDUINO
Connect a Digital Potentiometer (MCP4161)
basic connections 5V
Connect a Distance Sensor (Sharp GP2Y0A21)
CS
100KΩ
SCK
100nF SDI
10 SCK 13
SCK
MOSI 11
SDI VSS
Vin
Vout
MCP4161
VSS CS
MCP4161
29
THE UNOFFICIAL
VDD P0B P0W P0A
VDD
B W A
P0B P0W P0A
MICROCHIP
MCP1541
GND
Connect a DAC (MCP4921) 5V
VIN VOUT
VDD
MCP1541
CS
Analog Input
SCK
MCP1541 5V
100nF
10µF 16V
100Ω
10Ω
SDI
MCP4921
IN
VSS
VOUT VSS VREF LDAC
CS SCK
MOSI 11
SDI
VOUT VSS VREF
10KΩ
VDD
MCP4921
10 SCK 13
+
100nF
10µF 16V
+
100KΩ
SHARP
VOut
LDAC
www.pighixxx.com BY
ND
13 APR 2013 ver 1 rev 0
30
THE UNOFFICIAL
ARDUINO basic connections
RS485 Node
5V
RX/TX
RE DE
RX
D
First
J1
VCC
56Ω
B
Middle
Node
Node
Last
Node
Node
A GND
4.7KΩ
100KΩ
J2
R
J3
RE
A DE D
SN75176
R
Node termination jumpers config
B 120Ω
TX
SN75176
4.7KΩ
100nF
VCC
J1 on J2 on J3 on
B
J1 off J2 off J3 off
J1 off J2 off J3 on
A GND
5V
DMX Controller (Basic) 100nF
R
Opt Opt
5
1
4
2
RE
Ref INV -
DE
OUT
D
SN75176
100Ω VCC B A
1 GND
2 3
2
+ www.pighixxx.com BY
ND
14 APR 2013 ver 1 rev 1
THE UNOFFICIAL
TOLERANCE
ARDUINO
±5%
basic connections
±10%
BLACK
0
0
x1Ω
BROWN
1
1
x10Ω
RED
2
2
x100Ω
ORANGE
3
3
x1,000Ω
YELLOW
4
4
x10,000Ω
GREEN
5
5
x100,000Ω
BLUE
6
6
x1,000,000Ω
VIOLET
7
7
GRAY
8
8
WHITE
9
9
I
KΩ =x1,000Ω MΩ =x1,000,000Ω
MULTIPLIER www.pighixxx.com BY
ND
03 APR 2013 ver 1 rev 0
THE UNOFFICIAL
ARDUINO basic connections
Ceramic Capacitor Code
102K
= 1,000pF - ±10%
1
1p0
1pF
10
10pF
101
n10
100pF
1.2
1p2
1.2pF
12
12pF
121
n12
120pF
1.5
1p5
1.5pF
15
15pF
151
n15
150pF
1.8
1p8
1.8pF
18
18pF
181
n18
180pF
2.2
2p2
2.2pF
22
22pF
221
n21
220pF
2.7
2p7
2.7pF
27
27pF
271
n27
270pF
3.3
3p3
3.3pF
33
33pF
331
n33
330pF
3.9
3p9
3.9pF
39
39pF
391
n39
390pF
4.7
4p7
4.7pF
47
47pF
471
n47
470pF
5.6
5p6
5.6pF
56
56pF
561
n56
560pF
6.8
6p8
6.8pF
68
68pF
681
n68
680pF
8.2
8p2
8.2pF
82
82pF
821
n82
820pF
II
Significant Digit
1st
2nd
0 1 2 3 4 5 6 7 8 9
Multiplier none 10 100 1,000 10,000 100,000 1,000,000
C J K M D Z
±0.25pF ±5% ±10% ±20% ±0.5pF +80% -20%
1,000
1
0.001
pF
nF
µF
www.pighixxx.com BY
ND
11 APR 2013 ver 1 rev 1
III
THE UNOFFICIAL
ARDUINO basic connections Polyester Film-Mylar Capacitor Code
Working Voltage
334K
= 0.33µF ±20% 100V
100V
102
1n
.001
1,000pF
103
10n
.01
10,000pF
104
100n
.1
100,000pF
122
1n2
.0012
1,200pF
123
12n
.012
12,000pF
124
120n
.12
120,000pF
152
1n5
.0015
1,500pF
153
15n
.015
15,000pF
154
150n
.15
150,000pF
182
1n8
.0018
1,800pF
183
18n
.018
18,000pF
184
180n
.18
180,000pF
222
2n2
.0022
2,200pF
223
22n
.022
22,000pF
224
220n
.22
220,000pF
272
2n7
.0027
2,700pF
273
27n
.027
27,000pF
274
270n
.27
270,000pF
332
3n3
.0033
3,300pF
333
33n
.033
33,000pF
334
330n
.33
330,000pF
392
3n9
.0039
3,900pF
393
39n
.039
39,000pF
394
390n
.39
390,000pF
472
4n7
.0047
4,700pF
473
47n
.047
47,000pF
474
470n
.47
470,000pF
562
5n6
.0056
5,600pF
563
56n
.056
56,000pF
564
560n
.56
560,000pF
682
6n8
.0068
6,800pF
683
68n
.068
68,000pF
684
680n
.68
680,000pF
822
8n2
.0082
8,200pF
823
82n
.082
82,000pF
824
820n
.82
820,000pF
Significant Digit
1st
2nd
0 1 2 3 4 5 6 7 8 9
Multiplier none 10 100 1,000 10,000 100,000
F G J K M
1~2% 2% 5% 10% 20%
1,000
1
0.001
pF
nF
µF
www.pighixxx.com BY
ND
11 APR 2013 ver 1 rev 1
31
THE UNOFFICIAL
ARDUINO Drive a Motor (L298)
basic connections
A
K
A
1N4007
L298N
K
1N4007
A
B 100nF 100nF
+ VIN
100µF 50V
+ 100µF 50V
5V
OUT CURRENT SENSING B
OUTPUT 4
OUTPUT 3
INPUT 4
ENABLE B
INPUT 3
LOGIC SUPPLY VOLTAGE V SS
GND
INPUT 2
ENABLE A
INPUT 1
SUPPLY VOLTAGE VS
OUTPUT 2
OUTPUT 1
CURRENT SENSING A
OUT OUT OUT
www.pighixxx.com BY
ND
15 APR 2013 ver 1 rev 0
32
THE UNOFFICIAL 5V
ARDUINO
Debouncing a Pushbutton
basic connections 4.7KΩ
Simple Debouncer IN
5V
10KΩ VCC
1Y
6A
2Y 3A
K
A
1N4148
6Y 5A
6 ports available
5Y
3Y
4A
GND
4Y
100nF
10KΩ
2A
SN7414
100nF
1A
IN 470Ω
100nF
1A
VCC
1Y
6A
2A
6Y
2Y
5A
5V
GND
4Y
SN7414
1A
VCC
CLR
VCC
1Y
6A
D
CLR
6Y
CK
5A
PR
2A
3KΩ
A
D
1 CLR
Q
4A
Q
Q
GND
4Y
GND
Q
PR
D PR
5Y
3Y
3A
VCC
CK
CK CLR D
2Y
SN7474
4A
SN7414
3Y
220Ω
5Y
IN Step IN Dir
100nF
220Ω
3A
Debouncing a Rotary Encoder
CLR 2
CK Q
100nF
D Q
C
3KΩ
PR
CK
Q
+
PR PR
1µF
CLR
+
D CK
B
Q
Q Q
Q
B A C
GND
Q
SN7474
www.pighixxx.com BY
ND
15 APR 2013 ver 1 rev 0
33
THE UNOFFICIAL
ARDUINO Drive a Stepper (L293)
basic connections VIN
5V
OUT4
GND OUT2
J1
GND GND
1/2en
VCC1
IN1
IN4
OUT1
OUT4
GND
OUT3
IN2
IN3
VCC2
3/4en
GND
+
100µF 50V
L293D
GND
L293D
OUT1
OUT
IN4
OUT
IN1
OUT
OUT
VCC1
OUT
OUT
1/2en
GND
100µF 50V 100nF
+
J2
GND
OUT2
OUT3
IN2
IN3
VCC2
3/4en
100nF
www.pighixxx.com BY
ND
16 APR 2013 ver 1 rev 1
34
THE UNOFFICIAL
ARDUINO basic connections
LAB edition
Current Sense
IN
Arduino Logic Analyzer
220Ω
D2 220Ω
D3
Analog Input
220Ω
D4 5V
220Ω 5.6KΩ
1OUT
220Ω
1IN-
D6
1IN+
K
2OUT
100nF
2IN2IN+
GND
1KΩ
D7
1Ω
220Ω
VCC
LM358
D5
A 5.1
Zener 5.1V
See instructions at la.pighixxx.com
1OUT
VCC
1IN-
2OUT
1IN+
2IN-
GND
2IN+
LM358
www.pighixxx.com BY
ND
16 APR 2013 ver 1 rev 1
35
THE UNOFFICIAL
ARDUINO basic connections
LAB edition
Arduino Component Tester (basic)
A0 A1
470KΩ
680Ω 470KΩ
680Ω 470KΩ
680Ω
A2
To get full accuracy use 1% tolerance resistors
D9 D8
Allways be shure to discharge capacitors before connecting them to the Tester!
D11 D10
Download sketch at at.pighixxx.com
D13 D12
www.pighixxx.com
Original Project by Markus Frejek AVR-Transistortester, Embedded Projects Journal, 11. Ausgabe, 2011 Arduino version by PighiXXX
BY
ND
25 APR 2013 ver 1 rev 0
THE UNOFFICIAL
IV
Simple Transistor Comparison Table
ARDUINO BC337
basic connections
45V - 800mA 100@100mA cbe
2N2222 40V - 600mA
[email protected]
TRANSISTOR Name
cbe
MAX working Voltage
xxV - xxxmA xxx@xxxmA
1A
BC547
BCxxx
45V - 100mA 420@2mA
BC546
MAX Collector Current
45V - 100mA 420@2mA
hFE Amplification
BC556 cbe
cbe
10
BC558
25V - 800mA 100@100mA
30V - 100mA 420@2mA
cbe
cbe
50
cbe
cbe BC328
80
45V - 100mA 420@2mA
0m
0m
0m
A
A
A BC557
BC327
BC640
45V - 100mA 180@2mA
45V - 800mA 100@100mA
80V - 1A 63@150mA
cbe
cbe
ecb
Pinout BC559
BC549
30V - 100mA 200@2mA
30V - 100mA 200@2mA
BC548 cbe
30V - 100mA 200@2mA
cbe
cbe
BC338 45V - 800mA 100@100mA cbe
NPN PNP
BC639 80V - 1A 40@150mA www.pighixxx.com ecb BY
ND
25 APR 2013 ver 1 rev 1
