Light a LED.................................5
One LED...............6
Two LEDs.............7
Bicolor LED ................................8
Cluster.................9
Luxeon...............10
Multiple Cluster or LED strip.........................11
Decoder/Demultiplexer 74HC238.................12
RGB (Common Cathode)...............................13
RGB (Common Anode)............14
LED strip ............15
Decade Counter(4017)............16
Charlieplexing..........................17
LED Array.................................18
Shift Register 74HC595 ...........19
Connect multiple 74HC595 ...........................20
Controlling LED matrix displays with the MAX7219 ...........21
Connect Multiple MAX7219..........................22
TLC5940.............23
Connect multple TLC5940.............................24
Pushbutton to GND.................25
Pushbutton to 5V....................26
Using Internal pullup...............27
Pushbutton to 12V..................28
Simple Debouncer...................29
Debouncing a Pushbutton ............................30
Multiple Buttons (using 1 analog input) .............................31
Emulating button presses .............................32
Optocoupled Input..................33
Pushbutton to 3V3 tolerant pins...................34
Connect an encoder (internal pullup)...........35
Connect an encoder................36
Debouncing a Rotary Encoder ......................37
Connect a Keypad ...................38
Connect a Keypad (with interrupt) ...............39
Connect a Keypad (using 1 analog input) ...........................40
Keypad ..............41
Conect a PS2 device ................42
Keyboard scan codes...............43
Optocoupled Input (AC Input) ......................44
A simple water level sensor ..........................45
A simpe rain sensor.................46
Connect a Thumbwheel switch.....................47
Connect a Potentiometer (or Trimmer)........48
Connect a Photoresistor ...............................49
Connect a Rotary switch ...............................50
Connect a Rotary switch (using 1 analog input) .................51
Connect a Diverter..................52
Connect a Diverter (using 1 analog input) ..........................53
A water level sensor................54
Multiplexing 8 potentiometers.....................55
Connect 8 difital inputs via SPI......................56
Connect multiple 74HC165 ...........................57
Connect a Digital Potentiometer (MCP4161) .....................58
Use a Photoresistor as digital ON/OFF signal .....................59
Connect a DS Touchscreen............................60
Connect a Relay.......................61
Conect a Relay (Optoisolated) ......................62
Connect a Lamp (DC LOW Voltage) ..............63
Connect a Mosfet....................64
Connect a DC Motor ...............65
Connect a Solenoid .................66
Connect a Computer Fan (3 Wire) ................67
Connect a Computer Fan (4 Wire) ................68
Buffer Out ...............................69
Connect a DAC ........................70
Connect a CT Sensor ...............71
current Sensor.........................72
Measuring DC current (With LT1495)...........73
Voltage Measurement ............74
Connect a RTD Temperature Sensor.............75
Connect a LM35 Temperature Sensor ..........76
Connect a LM35 Temperature Sensor (Full range scale application) .......77
Connect a TMP36 Temperature Sensor........78
Connect a DS18B20 Digital Temperature Sensor................79
Connect a MCP9600 Temperature Sensor..........................80
Connect a Thermocouple..............................81
Connect a Gas Sensor .............82
A Vibation Sensor....................83
Connect a DHT11 Temperature & Humidity Sensor...........84
A Sound Sensor .......................85
Connect a Buzzer.....................86
Connect a Buzzer (With Transistor) ..............87
A 1 transistor Audio Amplifier ......................88
Audio Amplifier.......................89
Connect an Audio Amplifier..........................90
Connect a Microphone ...........91
Connect a Microphone (Advanced) ..............92
Connect to Composite Video ........................93
Connect to VGA.......................94
Zero crossing detect................95
Connect a Triac .......................96
Connect a Servo ......................97
Connect a IR Sensor ................98
Connect a IR Emitter ...............99
Bi-Directional Voltage Level Converter 33V to 5V ............100
Bi-Directional Voltage Level Converter 33V to 5V (with Voltage Divider)....................101
A simple TTL/CMOS Converter ...................102
TTL/CMOS Converter (6 Ports)....................103
Connect a SD Card (Simple) ........................104
Connect a SD Card (Advanced) ...................105
SD Card Pinout ......................106
A Simple Serial interface.............................107
RS232 Pinout.........................108
Connect 2 MPU's...................109
Protect a I/O Pin....................110
MDI Interface ........................111
A simple DMX interface ..............................112
Driving multiple MIDI Outputs....................113
Connect a SHARP GP2Y0A21 Distance Sensor..................114
A simple RS485 Node............115
DIY Board ..............................116
Simple 5V Power Supply .............................117
Simple 3V3 Power Supply ...........................118
Connect a RTC.......................119
Conect a EEPROM .................120
EEPROM Wiki ........................121
Hitachi 44780 Compatible pinout...............122
Connect a LED Hitachi 44780 Compatible ........................123
Connect a LED Hitachi 44780 Compatible via 12C............124
Control LCD Backlight............125
7 segments Display ...............126
Connect a Nokia LCD.............127
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