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  • v1.3.1 1dce60fe12

    Release v1.3.1 Stable

    mhu released this 2021-10-24 22:12:56 +02:00 | 1 commits to master since this release

    Downloads
    • Source Code (ZIP)
    • Source Code (TAR.GZ)
  • v1.3 dc5df82872

    Release v1.3 Stable

    mhu released this 2020-12-13 20:27:59 +01:00 | 15 commits to master since this release

    Change Notes

    • Add switch mode power supply
    • Add a shielding to the analog part. This is not needed! I just designed it for fun...
    • Add voltage monitoring
    • Add external watchdog IC
    • Fix errata from previous version

    Errata

    • Bridge between GND and EARTH has to be connected. Otherwise the SD Card insertion detection doesn't work.
    Downloads
    • Source Code (ZIP)
    • Source Code (TAR.GZ)
    • bom-reflow-oven-control-pcb-v1.3.csv
      4.5 KiB
    • ibom.html
      273 KiB
    • reflow-oven-control-pcb-bottom-v1.3.pos
      3.4 KiB
    • reflow-oven-control-pcb-drl_map-v1.3.pdf
      29 KiB
    • reflow-oven-control-pcb-top-v1.3.pos
      11 KiB
    • reflow-oven-control-pcb-v1.3.zip
      335 KiB
    • schematic-v1.3.pdf
      378 KiB
  • v1.2 d6eaf980c9

    Version v1.2 Stable

    mhu released this 2020-02-18 20:52:50 +01:00 | 40 commits to master since this release

    Change Notes

    • Replace single opamps with 4-in-1 part
    • Remove possibility to use an external ADC. Internal ADC is enough
    • Improve ESD protection
    • Fix OpAmp instabilities
    • Improved reference stability
    • Fixed some minor design flaws in layout

    Errata

    • Solder a 100 nF capacitor in parallel to R315 in order to improve noise robustness of the analog frontend. This prevents the wirebreeak detection from tripping, if noise is picked up.
    Downloads
    • Source Code (ZIP)
    • Source Code (TAR.GZ)
    • ibom.html
      209 KiB
    • reflow-oven-control-pcb-all-pos.csv
      6.9 KiB
    • reflow-oven-control-pcb-drl_map.pdf
      27 KiB
    • reflow-oven-control-pcb_gerber_v1.2.zip
      536 KiB
    • reflow-oven-control-pcb_v1.2.jpg
      136 KiB
    • schematic_v1-2.pdf
      348 KiB
  • v1.1 7b0e516c1e

    Version 1.1 Stable

    mhu released this 2020-01-12 16:09:39 +01:00 | 57 commits to master since this release

    Changenotes:

    • Replace INA126 opamp with custom circuit

    Errata

    • Silkscreen of C317 and R312 is swapped. Consult interactive BOM for correct placement.
    • Stability of OPAMPs is not guaranteed in this version. You have to make a few modifications
    Downloads
    • Source Code (ZIP)
    • Source Code (TAR.GZ)
    • ibom.html
      222 KiB
    • reflow-oven-control-pcb-drl_map.pdf
      28 KiB
    • reflow-oven-control-pcb-v1_1.jpg
      254 KiB
    • reflow-oven-control-pcb-v1_1.zip
      603 KiB
    • schematic_reflow-oven-control-pcb-v1_1.pdf
      342 KiB
  • v1.0 3c9929bcd6

    V1.0 Stable

    mhu released this 2020-01-03 21:26:29 +01:00 | 64 commits to master since this release

    First produced version.

    Due to a design error, this version DOES NOT WORK
    Please only consider versions >=v1.2

    Downloads
    • Source Code (ZIP)
    • Source Code (TAR.GZ)
    • gerber_v1.0.tar.xz
      241 KiB
    • ibom.html
      218 KiB
    • reflow-oven-control-pcb.png
      1.2 MiB
    • schematic_v1.pdf
      329 KiB
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