This circuit is designed to interface an Arduino UNO with a variety of peripherals including a 4×4 Keypad, an I2C LCD 16x2 Screen, a Real-Time Clock (RTC-DS1302), and a Servomotor MG90S. The Arduino UNO serves as the central processing unit, controlling the input from the keypad, displaying information on the LCD screen, keeping track of time with the RTC, and driving the servomotor based on the program logic. The battery provides power to the entire circuit.
+
(positive), -
(negative)C3
, C2
, C4
, C1
, R1
, R2
, R3
, R4
UNUSED
, IOREF
, Reset
, 3.3V
, 5V
, GND
, Vin
, A0
to A5
, SCL
, SDA
, AREF
, D13
to D0
SCL
, SDA
, VCC (5V)
, GND
, VDD
, VO
, RS
, RW
, E
, D0
to D7
, BLA
, BLK
Vcc
, GND
, CLK
, DAT
, RST
SIG
, VCC
, GND
+
to VCC of Servomotor MG90S, RTC-DS1302, and I2C LCD 16x2 Screen-
to GND of Servomotor MG90S, RTC-DS1302, and I2C LCD 16x2 ScreenC3
to D8
on Arduino UNOC2
to D7
on Arduino UNOC4
to D9
on Arduino UNOC1
to D6
on Arduino UNOR1
to D5
on Arduino UNOR2
to D4
on Arduino UNOR3
to D3
on Arduino UNOR4
to D2
on Arduino UNOA5
to SCL
on I2C LCD 16x2 ScreenA4
to SDA
on I2C LCD 16x2 ScreenD13
to SIG
on Servomotor MG90SD12
to CLK
on RTC-DS1302D11
to DAT
on RTC-DS1302D10
to RST
on RTC-DS1302SCL
to A5
on Arduino UNOSDA
to A4
on Arduino UNOVCC (5V)
to +
on BatteryGND
to -
on BatteryVcc
to +
on BatteryGND
to -
on BatteryCLK
to D12
on Arduino UNODAT
to D11
on Arduino UNORST
to D10
on Arduino UNOSIG
to D13
on Arduino UNOVCC
to +
on BatteryGND
to -
on Batteryvoid setup() {
// put your setup code here, to run once:
}
void loop() {
// put your main code here, to run repeatedly:
}
Note: The provided code is a template and does not contain any specific logic. It needs to be filled in with the actual code to control the components as per the circuit's requirements.