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Arduino r5B12 bottom view.jpg
Arduino r5B12 top view.jpg
EEZ PSU Arduino pin mapping r5B12.odt
EEZ PSU Arduino pin mapping r5B12.pdf
EEZ PSU Arduino shield+BP TLC5925 codes r3B3.odt
EEZ PSU Arduino shield+BP TLC5925 codes r3B3.pdf

Please refer to the BOM in Consolidated/BOM folder where Board Name (Col F) is Arduino shield. Eagle files is available in Consolidated/Eagle files folder. Shield_top Shield_bottom

Revision history:

  • 2017-11-04: r5B13a
    • Soft start and DOUT2 controls (#36)
    • Removed JP5, JP6, JP7 (#59)
    • R93 PCB layout spacing (#60)
  • 2017-09-24: r5B12
    • X12, X14 connection improvement on PCB (#43)
  • 2017-02-23: r5B12
    • Encoder with switch mounted directly on the PCB (#20)
    • Power relay MCU controlled on the AUX PS module(#23)
    • Support for 3.5" Riverdi TFT touchscreen display (#24)
    • Micro SD card socket (#30)
  • 2017-01-11: r4B2
    • +3.3V for buzzer (#16)
    • Reorganized capacitors (#17)
    • Wrong positions of DOUT pins on X14 push-in connector (#18)
  • 2016-12-11: r4B1
    • Added isolated output on X14 that is replaced with 8 pin push-in connector (#8)
    • D33 is added to isolate RESET signal (#14)
    • Space for optional R33 is added and IC31 is replaced with 4 AND gate (#15)
  • 2016-10-24: r3B5
    • Small adjustment of TFT display (holes and offset)
    • Removed header for optional WiFi module
    • Ethernet header (X18) is moved to the right (#5)
    • Fixed wrong silkscreen for all red LEDs (#6)
    • Arduino output is used to generate master sync for switching regulators (#7)
    • Additional Cout is added (#12)
  • 2016-07-23: r3B4 (Version 2.0 on github)
    • Corrected WATCHDOG functionality, added possibility to choose between RESET and Power off if MCU stalled
    • Optimized number of parts size and values, renumbered reference designators
  • 2016-06-14: r3B3
    • Removed suport for Mega2560 - only 3.3 V board such as Due (and hopefully soon STAR - OTTO is supported
    • TFT touch screen rotated (landscape view) for housing in more compact (2U height) enclosure. Tested with both SSD1289 and ILI9341 display controllers
    • Reset supervisor and watchdog (TPS3705-33)
    • Power connector replaced with 10-pin IDC to carry master sync out
    • W5500 Ethernet controller
    • 10-pin IDC for channel's SPI bus replaced with 26-pin IDC that carry output power signals, remote sense, remote programming, temperature sensor and SMPS sync
    • Redesigned wiring of output serial/parallel connection
    • Ethernet RJ-45 connector replaced with 8-pin 0.1" header (see also new AUX PS board)
    • 2x5-pin 0.1" header for optional W5500 Ethernet module (eBay)
    • 2x4-pin 0.1" header for optional NRF24L01 Wifi module (eBay)
    • Added support for incremental encoder
    • 4 mm binding posts for remote sensing inputs replaced with 0.1" push-in connector
    • New numbering in sync with consolidated schematics
  • 2016-04-06: r1B14 (Version 1.0 on github)
    • Added fan control (FAN_PWM, FAN_SENSE)
    • Power connector replaced with 6-pin IDC as on the AUX PS r4B41
    • Removed optional reset connector
  • 2016-03-28: r1B13a
    • Change remote sense inputs position on X4
  • 2016-03-27: r1B13
    • Fixed remote sense wiring
    • Output protection redesigned (TVS moved, SAR and MOVs removed)
    • Smaller footprint
    • Remote sense 4 mm banana binding posts replaced with compact "push-in" connectors
    • Digital trigger input (with buffer and level shifter) added
    • THT LEDs replaced with SMD counterparts (lightpipes are now required)
  • 2015-12-07: r1B12b - First public release

This product is made available under the terms of the TAPR Open Hardware License. See the LICENSE.TXT file that accompanies this distribution for the full text of the license.

Web site:

Consult EEZ PSU Arduino pin mapping r5B12.odt for Arduino pins assignements and EEZ PSU Arduino shield+BP TLC5925 codes r3B3.odt for binding posts connections and LED indications.