### Ownership and License
The contributors are listed in CONTRIB.TXT. This project uses the TAPR v1.0 license, see LICENSE.TXT.

[![OSHW-HR000005](Images/OSHW_UID_HR5.svg)](https://certification.oshwa.org/hr000005.html)

### Description

The EEZ DIB PREL6 module features six independently programmable power relays.

### Feature list

* On-board STM32F030C6T6 or STM32F031C4T6 MCU
* 2 x 16-pin dual row 3.81 mm connectors
* 4 x SPDT relays, max. 8 A / 230 Vac
* 2 x SPST relays, max. 8 A / 230 Vac
* On-board +3.3 V LDO
* Firmware download via UART
* Optional SWD for debugging
* I2C EEPROM for storing board specific parameters
* Dimensions: 146 x 95 mm, 2-layer PCB

### Firmware repository

https://github.com/eez-open/dib-prel6-fw
The firmware download procedure is described in the User Manual in [Chapter 13](https://github.com/eez-open/modular-psu/blob/master/docs/user%20manual/EEZ%20BB3%20user%20manual.pdf). 

### r1B2 prototype

![prototype](Images/PREL6_prototype_r1B2.JPG)