DIY JBC 245 Soldering Iron Controller (Beta WIP)

5 months ago 361
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

DIY JBC 245 Controller (not tested yet)

Wich can be powered with a standart 19V DC laptop charger.

The project based on the Atmel328 μc, and i try makes simple as i can. The first problem driving a jbc tip is the thermocouple and the heater have a common pin and its not the GND. On some forum i found the easyest way to do is just siple pass the heater current on the thermocupple but thats shorter the tip's life, so thats not an option for me.

photo_20190522_173213.jpg

In my solution i planned to use a DC-DC isolator for the μc and an optocoupler to control the P channel mosfet.

To makes it work you need a 10k pot and a 1602 I2C LCD (not shown on the schematics)

photo_20190522_175325.jpg

As enclosure i design the simplest, one of my friend bethlenke is kind enough to 3D model & 3D printed for me

The software still in WIP

  • modell for 3D printing : {LINK}

Update 0: Parts ordered and waiting for arrive.

Documents

Soldering station sch

PCB

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part BOM_LCSC Assembly
1 ATMEGA328P-AU U1 TQFP-32_7X7X08P 1 LCSC MICROCHIP ATMEGA328P-AU C14877 Yes
2 16mhz X1 HC-49SMD 1 LCSC ZheJiang East Crystal Elec C16000J119 C259047
3 22pF C1,C2 0805 2 LCSC WTC 0805N220J500 C123642
4 1K R1 0805 1 LCSC FH RS-05K1001FT C115316
5 B0505S-1WR3 U2 DIP-11.6X6.0X10.16 1 LCSC MORNSUN B0505S-1WR3 C131038
6 Programing P1 HDR-6X1/2.54 1 LCSC BOOMELE Header-Male-2.54_1x6 C37208
7 PC817X3NSZ9F U3 DIP-4 1 LCSC SHARP PC817X3NSZ9F C96006
8 IRF9540 Q1 TO-220(TO-220-3) 1 LCSC IR IRF9540NPBF C2575
9 10K R2 0805 1 LCSC UniOhm 0805W8F1002T5E C17414 Yes
10 330 R3 0805 1 LCSC FH RS-05K331JT C119075
11 MAX6675ISA+T U4 SOIC-8_150MIL 1 LCSC MAXIM MAX6675ISA+T C16030 Yes
12 1uF C3 0805 1 LCSC YAGEO CC0805KKX7R8BB105 C91186
13 POT P2 HDR-3X1/2.54 1 LCSC BOOMELE Header2.54mm 1*3P C49257
14 LCD P3 HDR-4X1/2.54 1 LCSC ReliaPro Header-Female-2.54_1x4 C124413
15 VIN P5 WJ500V-5.08-2P 1 LCSC ReliaPro WJ500V-5.08-2P-14-00A C8465
16 Iron P4 WJ500V-5.08-3P 1 LCSC ReliaPro WJ500V-5.08-3P-14-00A C72334
17 LM7805EE U5 TO-220 1

Attachments

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Members

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