Andy Rumade
UNITED STATES OF AMERICA • + Follow
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KiCADKicad
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Description
ESP32 PLC BOARD V2.1.kicad_pcb
Editing of programs for this board is meant to be done with the OpenPLC software which can be found at: https://autonomylogic.com/
This board is intended to do the following:
- Provide a stable way to buck down 24VDC into 5VDC to power the ESP32 microcontroller.
- Provide general purpose outputs for those voltages as well as a ~3.3VDC (Actually closer to 3.1VDC. Might revise in a future version.) for purposes I haven't thought of yet, but I had a spot to put it on the board, so I did.
- Provide fuses for the 24VDC power in and also the 5VDC, plus a Zener protection with the 5VDC source.
- Provide easy to use digital I/O terminals in the form of Phoenix style connectors
- Provide indication for each digital I/O in the form on green LEDs for the inputs and red LED's for the outputs.
- DIN rail mountable!
- Full digital I/O optoisolation!
- Dedicated power button.
- Have the ability to work with a yet to be designed analog module, allowing for the ability to swap modules based on need for use different standards on the same unit.
- Uses commonly available components. (Nearly every part was sourced from Amazon.)
- Finally, to be compatible with the common 24VDC control voltage used in many industries with built in fly-back diodes for back EMF protection.
Please do not hesitate to ask any questions! I may have forgotten to list something.
BOM is in the "Other Files" section. I will try to update the regular one with other items soon!
Schematic and Layout
Sep 13,2024
546 views
ESP32 PLC BOARD V2.1.kicad_pcb
2 Layers PCB 100 x 175 mm FR-4, 1.6 mm, 1, HASL with lead, Blue Solder Mask, White silkscreen
This is a board meant to work with 24V world of automation.
Using the OpenPLC software.
546
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2
Published: Sep 13,2024
Download Gerber file 19
BOM(Bill of materials)
Other files for Assembly
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- Engineer Oct 24,2024
- Marios Daskalakis Sep 28,2024
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