TTP226 based Module – 1
On board 8 key TTP226 capacitive touch induction IC.
On board 8-way level indicator.
working voltage: 2.4 V to 2.4 V.
modules, you can set the output mode, key output mode, the longest time and fast/low power output.
PCB board size: 47.5 (mm) x46 (mm).
16-bit input/output port expander with interrupt output
16 bit serial interface
Cascadable for up to 8 devices on one bus
25mA sink/source capability per I/O
Supports 100kHz, 400kHz and 1.7MHz I2C™Compatible compatible modes
INTA and INTB
There are two interrupt pins, INTA and INTB, that can be associated with their respective ports, or can be
logically OR’ed together so that both pins will activate if either port causes an interrupt. (IODIRA/B)
system master can enable the I/Os as either inputs or outputs by writing the I/O configuration bits
IOCON.BANK – The MCP23X17 can beconfigured to operate in the 8-bit or 16-bit modes via “IOCON.BANK.” Data Sheet :
Interfacing a 4×4 Matrix Keypad with an 8-Bit GPIO Expander
Expanding the number of I/O lines using Microchip MCP23008
Unique Features of the MCP23X08/17 GPIO Expanders
MCP23008 port expander interfaced to PIC12F683
AT24C128 I²C EEPROM Feature
Low Voltage (1.8v to 3.6v)
Standard Voltage (2.7V to 5.5V)
128K (16,384 x 8)
256K (32,768 x 8)
I²C Interface (Bi-Directional data transfer protocol)
1 Million write cycles of endurance
40 years of Data Retention
In every mobile have a in-build RTC. Whatsapp is take current time from mobile system processor using RTC function and send to whatsapp server. Once Receptive is online he will receive the message with timestamp (See the below screenshot)
PWM -Pulse width Modulation
Type of RGB LED
if you have any queries call us +918300026060 or WhatsApp