Mini ATmega Board
For ATmega16 and ATmega32

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Materials
Component list
R1 = SIL array 8 x 1k
R2 = SIL array 8 x 10k
R3 = 10k
R4 = 10
R5, R5A = 39
R6 = 1k
P1 = 10k preset
Capacitors
C1, C2, C13, C14 = 100nF ceramic
C3, C4 = 22pF
C5-C9 = 1µF 16V radial
C10 = 47pF
C11 = 220µF 25V radial
C12 = 10µF 16V radial
Semiconductors
D1 = LED-Array with 10 LEDs
D2 = 1N4001
D3 = contained in D1
IC1 = ATmega 16-PC (DIP40 case)
IC2 = MAX232 (DIP16 case)
IC3 = 7805 (TO220 case)
Miscellaneous
JP1-JP4 = wire link, microswitch or 2-way pinheader with jumper)
K1 = 10-way boxheader
K2, K2A = 20-way SIL pinheader
K3, K3A = optionally fitted
K4 = 9-way sub-D plug (male), PCB mount
K5 = 16-way SIL socket, (e.g. cut off from a 40-way wirewrap socket) and mating SIL plug
K6 = mains adaptor DC socket, PCB mount
IC socket, 1 x 40 way, 1 x 20 way, 1 x 16 way
S1 = 8-way DIP switch
S2 = pushbutton, 1 make contact (e.g. Conrad Electronics # 700665)
L1 = 10 ?H (fixed inductor)
X1 = 8MHz quartz crystal
Enclosure, Hammond type 1591-D blue *
16-way flatcable (a few centimetres)
PCB, order code 050176-1, supplied including programming adapter board 050176-2.
* not required in combination with OBD2
** see SHOP pages
programming adaptor
Resistors (SMD 0805)
R1,R5 = 10k
R2,R3 = 4k7
R4 = 33k
Capacitors (SMD 0805)
C1 = 220pF
Semiconductors
D1,D2,D3 = zener diode 5V1, 250 mW, SOT23 case (e.g. BZX84 5V1 SOT23)
T1 = BC847 (SOT23)
Miscellaneous
K1 = 9-way sub-D socket (female) with case
K2 = 10-way pinheader
10-way flatcable (0.5 - 1 m)
10-way UIDC connector for flatcable
PCB, order code 050176-2 (see SHOP pages)
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