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Solar Tracker Solar1
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XTAL218
XTAL119
ALE30EA31PSEN29
RST9
P0.0/AD0 39P0.1/AD1 38P0.2/AD2 37P0.3/AD3 36P0.4/AD4 35P0.5/AD5 34P0.6/AD6 33P0.7/AD7 32
P1.0/T21P1.1/T2EX2P1.2/ECI3P1.3/CEX04P1.4/CEX15P1.5/CEX26P1.6/CEX37P1.7/CEX48
P3.0/RXD 10P3.1/TXD 11P3.2/INT0 12P3.3/INT1 13
P3.4/T0 14
P3.7/RD 17P3.6/WR 16P3.5/T1 15
P2.7/A15 28
P2.0/A8 21P2.1/A9 22
P2.2/A10 23P2.3/A11 24P2.4/A12 25P2.5/A13 26P2.6/A14 27
U1
AT89C51RD2
12MHZCRYSTAL
C1
33p
C310u
R647k
A7 QA 13B1 QB 12C2 QC 11D6 QD 10BI/RBO4 QE 9RBI5 QF 15LT3 QG 14
U2
7447
A7 QA 13B1 QB 12C2 QC 11D6 QD 10BI/RBO4 QE 9RBI5 QF 15LT3 QG 14
U3
7447
A7 QA 13B1 QB 12C2 QC 11D6 QD 10BI/RBO4 QE 9RBI5 QF 15LT3 QG 14
U4
7447
HOUR MINIUTES MINUITES
D1LED-RED
D2LED-RED
resetminshour
east
west