Product description
Replace Lm35dz with Canc20
1.1602 I2C 1602 replaced the screen to control it more
2.New RFID module and RFID keychain and white card,
3. Added DS1302 clock module,
4. New of the sound detection module,
5.New temperature and humidity module,
6. New water level detection module,
7. Added 4 * 4 keypad module
8. New of 8 * 8 dot matrix module
1 X Female to male dupond line
1 X Stepper motor driver board