Elektor Team
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Platino Solder Station

An SMD solder station made from bits and pieces!

LABSPROJECT
Based on a Labs project | December 2014 | Find it here
Platino Solder Station
Thanks to the versatility of the Platino board, the solder station PCB circuit is very simple. The circuit consists of a Low-noise amplifier to boost the temperature sensor signal and a power MOSFET to switch power to the heating element.
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Products
Relevant websites
Component list
Component List
Solder Station

Resistors
All 5%, 0.25W
R1,R5 = 5.6k?
R2 = 100k?
R3 = 100?
R4 = 68k?
R6 = 1k?
R7 = 4.7k?
R8 = 2.2k?

Capacitors
C1,C2 = 10nF, 0.1” pitch
C3,C4,C7 = 100nF, 0.2” pitch
C5 = 1000µF 50V, 0.3” pitch
C6 = 470µF 50V, 0.2” pitch

Semiconductors
D1 = 1N5408
T1 = IRF9540
T2 = BS170
IC1 = 7805
IC2 = OPA2336

Miscellaneous
K2 = 8-pin pinheader, 0.1” pitch, straight
K3 = 12-pin pinheader, 0.1” pitch, straight
K1,K4 = not used
K5 = 3-way PCB screw terminal block, 0.2” pitch
K6 = 2-way PCB screw terminal block, 0.2” pitch
DIP8 IC socket for IC2
Solder tip, Weller RT series [1]
3.5-mm stereo jack, cable socket
Bopla case type 2616 (Newark/Farnell 127479)


Component List
Platino*

Resistors
All 5%, 0.25W
R3 = 47?
R4,R5,R6,R7,R10,R12 = 10k?
R11 = 4.7k?
P1 = 10k? trimpot, horizontal

Capacitors
C5,C6 = 100nF, 0.2” pitch

Inductor
L1 = 10µH

Semiconductors
IC1 = ATmega328P-PU, programmed (Elektor Store # 140107-41)
T1 = BC547C

Miscellaneous
S5A = rotary encoder with integrated pushbutton
K2,K6 = 6-pin pinheader, 0.1” pitch, straight
K3 = 6-way (2x3) pinheader socket, 0.1” pitch, straight
K5 = 8-way (2x3) pinheader socket, 0.1” pitch, straight
K9 = 16-way (2x3) pinheader socket, 0.1” pitch, straight
LCD1 = LCD, alphanumeric, 2x16** (Elektor Store # 120061-74)
DIP28-narrow IC socket
*See [3] for details on Platino.
** See ELPP: https://github.com/ElektorLabs/PreferredParts
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