README.md updates

eez-open · Apr 21, 2021 · d0e5131 · d0e5131
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diff --git a/aux-ps/README.md b/aux-ps/README.md
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 ### Overview
 
+_IMPORTANT: A crowdfunded version of the AUX-PS (r3B3) can be found [here](https://github.com/eez-open/modular-psu/tree/master/previous%20designs/aux-ps%20r3B3%20(Crowd%20Supply%20edition)._
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 AUX Power supply board for powering MCU board and backplane. It includes fan controller and AC power control with softstart (inrush current limiter) for power modules like DCP405 and DCM224.
 
 ![module](Images/AUX_PS_r3B4.jpg)

diff --git a/dcp405/README.md b/dcp405/README.md
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 ### Overview
 
+_IMPORTANT: A crowdfunded version of the DCP405 module (r2B11) can be found [here](https://github.com/eez-open/modular-psu/tree/master/previous%20designs/dcp405%20r2B11%20(Crowd%20Supply%20edition)._
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 The EEZ DIB DCP405 Power module is modified EEZ H24005 [Power board](https://github.com/eez-open/psu-hw/tree/master/Power%20board) that can be housed in EEZ DIB chasis (e.g. _Bench Box 3_). It comes with PNP "pass" element, OVP with triac crowbar, SPI temperature sensor and redesigned down-programmer new power pre-regulator and bias power supply.
 
 ![module](Images/DCP405_r3B3.jpg)

diff --git a/mcu/README.md b/mcu/README.md
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 ### Overview
 
+_IMPORTANT: A crowdfunded version of the MCU module (r2B4) can be found [here](https://github.com/eez-open/modular-psu/tree/master/previous%20designs/mcu%20r2B4%20(Crowd%20Supply%20edition)._
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 STM32F7 MCU board for controlling up to 3 SPI peripheral modules, I2C fan controller, power soft-start/standby, TFT LCD with resistive touch controller, USB OTG, 10/100 Mbit/s Ethernet, SDRAM, EEPROM, rotary encoder, user switch, speaker and 2+2 digital I/O.
 
 ### r3B3 prototype