Telecontrollo GSM

Pubblicato in Numero 2, Novembre 2008

Resistors
R1,R3,R5,R7,R9,R11 = 1kohm5
R2,R4 = 10kohm
R6,R8,R10 = 1kohm
R12 = see text
R13,R14,R15 = 1Ohm/volt, 2W (see text)
Capacitors
C1 = 220µF 35V
C2, C11 = 100nF
C3 = 3µF3 50V
C4,C5,C6,C7,C8 = 1µF 16V
C9,C10 = 22pF
C12,C13,C14 = 0.1µF/ampère (see text)
Semiconductors
D1 = P6KE30A, TVS (30V / 600W)
D2, D3 = SB320 or 1N5820 (Schottky; 3A / 20V)
D4 = LED, red, low current, 3mm
D5 = LED, green, low current, 3mm
D6-D9 = LED, yellow, low current, 3mm
D10,D11,D12= 1N4148
T1,T2,T3 = BC337 (TO92 case)
IC1 = L78S05CV (TO220 case)
IC2 = MAX232CPE+ (DIP16 case)
IC3 = ATMEGA8-16PU, DIP28 case, programmed, Elektor SHOP # 080324-41
OC1 = PC817X2J000F, optocoupler, DIP4 case
Inductor
L1 = 40µH 2A (e.g. EPCOS)
Miscellaneous
X1 = 8-MHz quartz crystal (HC49 case)
RE1,RE2,RE3 = HRS4E-S (DC 5V)
K1 = DC adapter socket, PCB mounting
K2 = 2-way PCB screw terminal block, lead pitch 5mm
K3-K5 = 2-way pinheader, lead pitch 2.54mm
K6 = 9-way sub-D plug (male), PCB mount
K7 = 6-way mini-DIN socket, PCB mount
K8 = 6-way SIL pinheader, lead pitch 2.54mm
JP1,JP2,JP3 = 2-way SIL pinheader, lead pitch 2.54mm
S1 = MCRH2AF-10R 10-way DIP rotary encoder
S2 = MCDS02 2-way DIL switch
S3 = FSM4JH single-pole pushbutton, PCB mount
F1 = auto-resetting PTC fuse, 30V, sustain current 1.1A, activation current 2.2A, e.g. Multifuse MF-R110-0-99 (Bourns) or Polyfuse 30R110 (Littlefuse) or Polyswitch RUEF110 (Tyco), ES-LP30-110 (ESKA) = PFRA 110 (Reichelt.de)
P1-P8 = 1mm dia. solder pin
IC sockets for IC2 (DIL16), IC3 (DIL28), OC1 (DIL6 used as DIL4)
Heatsink for IC1 (U profile, 25x15x20 mm, 17K/W, slotted hole)
M3 screw, 10 mm, with nut (for securing heatsink)
Blue transparent enclosure, 150x80x50 mm (LxWxH), e.g. Conrad Electronics # 522498
PCB, Elektor Shop # 080324-1 or kit incl. PCB, # 080324-71