2.0

This version includes various corrections and improvements resulting from the testing procedure in the accredited lab in accordance with regulations for CE marking.
Modules that were introduced in the crowdfunding campaign have been moved to the folder previous designs and have the suffix (Crowd Supply edition).

• #70 Move BOOT0 to USER SW
• #73 Replace vertical with horizonal battery holder
• #75 Assign SPI CSA outputs to NSS "hardware" pins if possible
• #81 Replace OVP triac with SMD version
• #82 DCM220 module upgrade to DCM224 (check DCM224 repository)
• #83 AUX-PS module modifications for CE testing
• #84 RTC calibration with mains frequency (optional)
• #85 Disable VBUS switch in bootloader mode
• #86 Add voltage divider on the VBUS sense input
• #90 Add reset/watchdog supervisor (optional)
• #96 Replace power switching pre-regulator to pass EMC tests

1.01

Few small fixes in v1.0 and updated User manual v1.02 that is in line with firmware v1.3.
It also includes BP3C r3B3 that is slightly different from r3B2.

For latest firmware please check: https://github.com/eez-open/modular-psu-firmware/releases

1.0

EEZ Bench Box 3 (BB3) Test & Measurement chassis manufactured for crowdfunding campaign on Crowd Supply. It includes the following modules:

• AUX PS r3B3
• BP3C r3B2
• DCM220 r2B8
• DCP405 r2B11
• MCU r2B4

Firmware repository: modular-psu-firmware
EEZ Studio repository: studio

Project partners:

• Altinkaya, Turkey, Contact: Ozge Altinisik
• BuyDisplay, China, Contact: Janice Lee
• Crowd Supply, USA, Contact: Joshua Lifton
• Jiang Techology, China, Contact: Anthony Jiang
• JLCPCB, China
• Kartonaža, Croatia, Contact: Sanja Denac
• TME.eu, Poland
• Varisom, Portugal, Contact: Mario Sustelo

0.99

EEZ Bench Box 3 (BB3) Test & Measurement chassis that initially comes with two DC power source modules: single output DCP405 and dual output DCM220. The following modules versions are included:

• AUX PS r3B2
• BP3C r3B2
• DCM220 r2B6
• DCP405 r2B8
• MCU r1B6

Firmware repository: modular-psu-firmware