KIT INCLUDED:
- Arduino Nano with USB Cable - 1
- TTP224B 4-channel capacitive module - 1
- Power bank-1(not included in kit)
- Jumper wire male to female – 40 piece
- Jumper wire male to male – 40 piece
- Breadboard 840 points - 1
- 16*2 lcd with i2c module - 1
HARDWARE REQUIRED
- Arduino Nano with USB Cable - 1
- TTP224B 4-channel capacitive module - 1
- Power bank-1(not included in kit)
- Jumper wire male to female – 40 piece
- Jumper wire male to male – 40 piece
- Breadboard 840 points - 1
- 16*2 lcd with i2c module - 1
SOFTWARE REQUIRED
Arduino IDE 1.8.5 (programmable platform for Arduino)
Click To Download :https://www.arduino.cc/en/Main/Software
SPECIFICATIONS
TTP224B 4-CHANNEL CAPACITIVE TOUCH MODULE
- On-board TTP224 capacitive touch 4 key induction IC
- On-board 4 road level indicator.
- Working voltage: 2 V to 5.5 V DC
- Adjustable output mode, key output mode, longest time and fast/low power output
- PCB board size: 35(mm) x29 (mm).
ARDUINO NANO
Arduino Pro Mini | |
Microcontroller |
ATmega168 |
Operating Voltage |
3.3V or 5V |
Input Voltage |
3.35 -12 V (3.3V model) or 5 - 12 V (5V model) |
Digital I/O Pins |
14 (of which 6 provide PWM output) |
Analog Input Pins |
8 |
DC Current per I/O Pin |
40 mA |
Flash Memory |
16 KB (of which 2 KB used by bootloader) |
SRAM |
1 KB |
EEPROM |
512 bytes |
Clock Speed |
8 MHz (3.3V model) or 16 MHz (5V model) |
PIN DESCRIPTION
TTP224B 4-CHANNEL CAPACITIVE TOUCH MODULE
VCC: 2V to 5.5V DC
GND: ground
OUT4: high/low output
OUT3: high/low output
OUT2: high/low output
OUT1: high/low output
ARDUINO NANO
RAW |
For supplying a raw (regulated) voltage to the board |
VCC |
The regulated 3.3 or 5 volt supply |
GND |
Ground pins |
RX |
Used to receive TTL serial data |
TX |
Used to transmit TTL serial data |
2 and 3 |
Digital I/O pins. These pins can also be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value |
3, 5, 6, 9, 10, and 11 |
Digital I/O pins. They can also be configured to provide 8-bit PWM output |
10, 11, 12 and 13 |
Digital I/O pins. They can also be configured as SPI pins; 10 - (SS), 11 - (MOSI), 12 - (MISO) and 13 - (SCK) |
A0 to A3 |
Analog input pins |
A4 and A5. |
Analog input pins. They can also be used as IIC pins; A4 - (SDA) and A5 – (SCL). |
A6 and A7 |
Analog input pins |
Reset |
The microcontroller can be reset by bringing this pin low |
CIRCUIT CONNECTION
- Out1 of TTP224 to the Nano D11
- Out2 of TTP224 to the Nano D10
- Out3 of TTP224 to the Nano D9
- Out4 of TTP224 to the Nano D8
- Ground to the negative rail and Vcc to the positive rail
- I2C module Vcc to positive rail and ground to negative rail
- I2C module sda pin to Nano A4 and scl to A5
CODE
Click to see the code or copy the link:
WORKING
Upload the code and see the output.
