link One wire protocol is serial communication protocol
Its developed by Dallas Semiconductor.
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).
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
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