KIT INCLUDED:
HARDWARE REQUIRED
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:Â 2V to 5.5V DC
GND:Â ground
OUT4:Â high/low output
OUT3:Â high/low output
OUT2:Â high/low output
OUT1:Â 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:
https://docs.google.com/document/d/e/2PACX-1vT7XfN3XPQkFHLgTqkjECB62lWK4TsB1RyxRtlPCCGaFYCPsjmTjW7ApuxuG24Tr3kfiMX6wmrd56dE/pub
WORKING
Upload the code and see the output.
Super Starter Kit for Uno R3 compatible with Arduino IDE1 ×₹2,594.82
