License

GPL 3.0

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DIY JBC 245 Soldering Iron Controller (Beta WIP)

1 year ago 2642
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

2020.apr.8

I got a lot of messages about the project, or the code, but the situation was I put the project on hold for a while, when waiting for parts to arrive, then modified multiple times without documenting etc... the project got finished working well, heat up quickly, but when I have time I will make a fully documented mark 2 version.

photo_20200408_035725.jpg


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}

Documents

Soldering station sch

PCB

BOM

ID Name Designator Footprint Quantity
1 fa33d4808b42d46b96893a5da4a98304 U1 TQFP-32_7X7X08P 1
2 dace834719834d06ba10e4773afaade8 X1 HC-49SMD 1
3 6cd0b6c628754fb1a2df1909dfadec57 C1,C2 0805 2
4 59e46eefa6a044e59adf675d759077b0 R1 0805 1
5 36f681d3a20b4e35873b5e260ef012d3 U2 DIP-11.6X6.0X10.16 1
6 17eb339750ed2e3756214c176201643d P1 HDR-6X1/2.54 1
7 c5e8e6c3ca15475fbdccbb7bd2730cb3 U3 DIP-4 1
8 IRF9540 Q1 TO-220(TO-220-3) 1
9 d4a844d81a8421ba55bf9bbe0176c427 R2 0805 1
10 5b471290f7a94f708959a008221ad0b8 R3 0805 1
11 5f9e0fdb360248458d36ad1814939cbd U4 SOIC-8_150MIL 1
12 45629399d4e74513b38d16b8805528f5 C3 0805 1
13 21f8f80a3f7c3c2b00b33f71a31ff6ef P2 HDR-3X1/2.54 1
14 7ff5b657d9f65ca285001e2b488e2e99 P3 HDR-4X1/2.54 1
15 0cdb1cb49c9de4de639ad6555a869608 P5 WJ500V-5.08-2P 1
16 140d1c42f592efeaab7dd37550d09c29 P4 WJ500V-5.08-3P 1
17 LM7805EE U5 TO-220 1

Attachments

None

Members

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