OpenDTU Breakout Board
This is a fully comaptible Breakout Board for the OpenDTU Project. With the opendtu breakout board and the opendtu software, you can read out, control and process Hoymiles inverters. In addition, the current energy yield is shown directly on a display.
This PCB has been designed together with the developers and is fully compatible. New features will of course always be added immediately ;).
Parts List
| Quantity | Name | Description | Label/Color Code |
|---|---|---|---|
| 1 | U1 | ESP32 | ESP32-WROOM32 |
| 1 | U2 | Wireless module | ML01DP5 |
| 2 | D1,D2 | 3mm green LED | |
| 1 | C1 | 10µF capacitor | |
| 2 | C2 | 100nF ceramic capacitor | 104 |
| 1 | J1 | 4x L-shaped pin header | |
| 2 | U1 | 1x19 pin female header | |
| 1 | 4-way cable | ||
| 1 | R1,R2 | 68Ω resistor | |
| 1 | R3 | 390Ω resistor | |
| 1 | PCB (Printed Circuit Board) | ||
| 6 | Optional: M2x6 screw | ||
| 2 | Optional: 3D-printed case parts | ||
| 2 | Not included: Toothpick | ||
| 1 | Not included: Micro-USB cable |
Purchase a Soldering Kit
If you don't want to source the PCBs and components yourself, you can also buy a soldering kit directly from the online shop at blinkyparts.com: https://shop.blinkyparts.com/de/OpenDTU-Breakoutboard-Dein-Auswertung-fuer-deine-Balkonsolaranlage/blink237542
Manual
You can find the manual and pictures of every build step here: https://github.com/Binary-Kitchen/SolderingTutorial/tree/master/OpenDTU_Breakout
Case
You cand find the Case here: https://www.printables.com/de/model/441037-opendtu-breakoutboard-case
Copyright and Authorship
- Board: CC-BY-NC-SA 4.0 - Noby, Jan and Timo @ blinkyparts.com
- Code: GPLv2 - tbnobody
- Manual (TeX): LPPL - Marei Peischl
- Manual (pdf): CC-BY-SA 4.0 - Binary Kitchen e.V.