Construction information.

 

Download Construction.txt.


timer board.

timer board.

LCD Display and I2C bus.

 

Download LCD_I2C.txt.


LCD Terminals.

LCD Terminals.

Backlight on.

Backlight off.

Backlight on.

Backlight off.

Backlight on.

Backlight off.

I2C type 1 Addr. 0x20

I2C type 2 Addr. 0x27

I2C type 2 info

I2C type 1 0x27 address change

Serial interface.

 

Download Serial.txt.

RS-232ToTTL_t

Bluetooth module with enable.

Bluetooth module with enable.

Bluetooth module no enable option.

Bluetooth module no enable option.

USB to TTL serial RS-232 PL2303 cable.

USB to serial RS-232 PL2303 cable.

USB to TTL serial CH340 module.

USB to TTL serial CH340 module.

USB to TTL serial CP2102 module.

USB to TTL serial CP2102 module.

RS-232 to TTL level converter module.

RS-232 to TTL level converter module.

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