• on Miscellaneous Electronics
  • Published in issue 7/2015 on page 98
About the article

Platino Solder Station

An SMD solder station made from bits and pieces!

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
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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