Old Car
1 × ₨500
Happy Fish Toy
1 × ₨450
Max7219 LED Display Driver IC
1 × ₨160
SN74HC14N Hex Schmitt Trigger Inverter IC
1 × ₨30
LM741 Operational Amplifier IC
1 × ₨20
TTP223 Touch Sensor
1 × ₨50
74LS04 Hex Buffer Inverter IC
1 × ₨30
SN74293 4 Bit Binary Counter
1 × ₨30Subtotal: ₨1,270
Old Car
1 × ₨500Happy Fish Toy
1 × ₨450Max7219 LED Display Driver IC
1 × ₨160SN74HC14N Hex Schmitt Trigger Inverter IC
1 × ₨30LM741 Operational Amplifier IC
1 × ₨20TTP223 Touch Sensor
1 × ₨5074LS04 Hex Buffer Inverter IC
1 × ₨30SN74293 4 Bit Binary Counter
1 × ₨30Subtotal: ₨1,270
Pin Configuration:
1P1.0 (T2)
2P1.1 (T2.EX)
3P1.2
4P1.3
5P1.4
6P1.5 (MOSI)
7P1.6 (MISO)
8P1.7 (SCK)
9RST
10P3.0 (RXD)
11P3.1 (TXD)
12P3.2 (INT0)
13P3.3 (INT1)
14P3.4 (T0)
15P3.5 (T1)
16P3.6 (WR)
17P3.7 (RD)
18XTAL2
19XTAL1
20GND
21P2.0(A8)
22P2.1 (A9)
23P2.2 (A10)
24P2.3 (A11)
25P2.4 (A12)
26P2.5 (A13)
27P2.6 (A14)
28P2.7 (A15)
29PSEN
30ALE / PROG
31EA / VPP
32P0.7 (AD7)
33P0.6 (AD6)
34P0.5 (AD5)
35P0.4 (AD4)
36P0.3 (AD3)
37P0.2 (AD2)
38P0.1 (AD1)
39P0.0 (AD0)
40VCC
