Differences

This shows you the differences between two versions of the page.

--- din-exp [2025/12/03 18:47] – [Quick start guide] ok1hra
+++ din-exp [2025/12/05 20:27] (current) – ok1hra
@@ Line 12: / Line 12: @@
   * **Expandable**
   * **Arduino** firmware \\ \\
-  * Block diagram \\ \\ {{https://remoteqth.com/img/din-module-blok.png?600}}
+  * Block diagram \\ \\ {{https://remoteqth.com/img/din-module-blok.png?600}} \\ \\ \\ {{https://remoteqth.com/img/wiki-din-module-29.jpg?600}}
 ----
@@ Line 23: / Line 23: @@
 ----
-====== Firmware ======
+====== Arduino firmware ======
 ===== Precompiled .bin =====
   - is available on [[https://github.com/ok1hra/eth-din-dev-kit/releases|GitHub release]] page (**without** label ESPhome).
@@ Line 32: / Line 32: @@
   - Libraries according to the [[https://github.com/ok1hra/eth-din-dev-kit/blob/main/eth-din-dev-kit.ino#L55|list]], which are available for download on [[https://github.com/ok1hra/Arduino-libraries-backup|GitHub]], **commit b60a8cb**
     - just copy it to your **/Arduino/libraries** directory
-  - Specifically commit Arduino ESP32 libraries <code>cd ~/Arduino/hardware/espressif/esp32
+  - Specifically commit [[https://github.com/espressif/arduino-esp32|Arduino ESP32 libraries]] <code>cd ~/Arduino/hardware/espressif/esp32
 git clone https://github.com/espressif/arduino-esp32.git
 cd <repository-name>
 git checkout c2c8d189928386c872aa6cd7ba7a87c8019c5663</code>
+  - Firmware source available on [[https://github.com/ok1hra/eth-din-dev-kit|GitHub]]
 ===== Upload =====
-  - via the web interface of your own device (integrated in ESPhome) \\ {{https://remoteqth.com/img/wiki-din-module-w-31.png?350}}
+  - At the top of the web page there is a link "**__Upload FW__**" under which the form for uploading the firmware is available \\ {{https://remoteqth.com/img/wiki-din-module-37.png?350}}
-  - via USB-C using, for example, the web tool https://web.esphome.io/
+  - or via USB-C using, for example, the web tool https://web.esphome.io/
 ===== Implemented functions =====
+The firmware currently makes peripherals accessible to MQTT, but it can be used as a basis for programming your own functionalities, or using your own code.
   * Connectors (T1 and T2) for **connecting two [[https://www.laskakit.cz/en/dallas-ds18b20-orig--digitalni-vodotesne-cidlo-teploty-1m/|DS18B20 digital thermistors]]** with automatic detection. Reading temperature every 20 seconds and sending to MQTT with topic /T1-Celsius
   * **Ethernet connection** using RJ45 connector with IP address retrieval from DHCP server. Static IP address setting is not implemented
@@ Line 64: / Line 66: @@
   * **RS485-MQTT proxy -** received RS485 data forward to MQTT with topic /RS485_RX
+----
-===== Hardware interfaces =====
+====== How to connect ======
-| Front view | pinout |
+===== Power =====
-| {{https://remoteqth.com/img/wiki-din-module-SB-15.png}} | 1 - **11-13.8V / 1A max** DC PWR input \\ 2 - GND |
+  * The modul can be powered in the range of **9-14V DC** with a maximum consumption of **0,5A**
-| {{https://remoteqth.com/img/wiki-din-module-SB-04.png}} | 2x JST 1-wire for DS18B20 thesrnistor \\ **1 -** +3,3V  / max 500mA \\ **2 -** 1-wire bus (Gpio15) \\ **3 -** GND|
+  * The power supply can be connected in two ways
-| {{https://remoteqth.com/img/wiki-din-module-SB-02.png}} | **2 - RS485-A \\ 1 - RS485-B** |
+    - **pluggable DC jack directly. \\ Attention to polarity!** \\ {{https://remoteqth.com/img/wiki-din-module-22.png?500}} \\ This input is **protected by a 1A fuse.** \\ \\
-| Four LEDs | RED -** fail fuse** \\ GRN -** ETH 100M** \\ GRN -** ETH ACT** \\ GRN -** Power** |
+    - **Ethernet passive POE with external POE injector** \\ {{https://remoteqth.com/img/wiki-din-module-23.png?500}} \\ The POE injector is **protected with also 0.5A fuse**.
-| {{https://remoteqth.com/img/wiki-din-module-SB-06.png}} | **USB-C serial** \\ +5V VBUS \\ **SBU1 -** 3V3 Gpio33 (I2C SDA) \\ **SBU2 -** 3V3 Gpio32 (I2C SCL) |
-| {{https://remoteqth.com/img/wiki-din-module-SB-05.png}} | **1,2,3,6 -** Ethernet \\ **4+5 -** POE DC power input 12-24V/max 1A, any polarity \\ **7+8 -** POE DC power input 12-24V/max 1A, any polarity \\ Green LED - 100M \\ Yelow LED - ACT |
+===== Interfaces pinout =====
-| {{https://remoteqth.com/img/wiki-din-module-SB-17.png}} | \\ **GPIO** \\ \\ 1 - **+12V** from DC jack or POE \\ 2 - **+12V** from DC jack or POE \\ 3 - **GND**\\ 4 - **GND**\\ 5 - **GPIO5**\\ 6 - **+3,3V** from internal step down\\ 7 - **GPIO33**\\ 8 - **GPIO15**\\ 9 - **GPIO12**\\ 10 - **GPIO14**\\ 11 - **GPIO02**\\ 12 - **GPIO13**\\ 13 - **GPIO04**\\ 14 - **GPIO0**\\ 15 - **GPIO39**\\ 16 - **GPIO16**\\ 17 - **GPIO32**\\ 18 - **GPIO36**\\ 19 - **GND**\\ 20 - **GND** |
+| Functionality | Front view | pinout |
+| **Power** | {{https://remoteqth.com/img/wiki-din-module-SB-15.png}} | 1 - **11-13.8V / 1A max** DC PWR input \\ 2 - GND |
+| **2x 1-wire thermistor** | {{https://remoteqth.com/img/wiki-din-module-SB-04.png}} | 2x JST 1-wire for DS18B20 thesrnistor \\ **1 -** +3,3V  / max 500mA \\ **2 -** 1-wire bus (Gpio15) \\ **3 -** GND|
+| **RS-485** | {{https://remoteqth.com/img/wiki-din-module-SB-02.png}} | **2 - RS485-A \\ 1 - RS485-B** |
+| **Four LEDs** |  | RED -** fail fuse** \\ GRN -** ETH 100M** \\ GRN -** ETH ACT** \\ GRN -** Power** |
+| **USB-C** | {{https://remoteqth.com/img/wiki-din-module-SB-06.png}} | **USB-C serial** \\ +5V VBUS \\ **SBU1 -** 3V3 Gpio33 (I2C SDA) \\ **SBU2 -** 3V3 Gpio32 (I2C SCL) |
+| **Ethernet** | {{https://remoteqth.com/img/wiki-din-module-SB-05.png}} | **1,2,3,6 -** Ethernet \\ **4+5 -** POE DC power input 12-24V/max 1A, any polarity \\ **7+8 -** POE DC power input 12-24V/max 1A, any polarity \\ Green LED - 100M \\ Yelow LED - ACT |
+| **11 GPIO \\ expandable slot** | {{https://remoteqth.com/img/wiki-din-module-SB-17.png}} | \\ **GPIO** \\ \\ 1 - **+12V** from DC jack or POE \\ 2 - **+12V** from DC jack or POE \\ 3 - **GND**\\ 4 - **GND**\\ 5 - **GPIO5**\\ 6 - **+3,3V** from internal step down\\ 7 - **GPIO33**\\ 8 - **GPIO15**\\ 9 - **GPIO12**\\ 10 - **GPIO14**\\ 11 - **GPIO02**\\ 12 - **GPIO13**\\ 13 - **GPIO04**\\ 14 - **GPIO0**\\ 15 - **GPIO39**\\ 16 - **GPIO16**\\ 17 - **GPIO32**\\ 18 - **GPIO36**\\ 19 - **GND**\\ 20 - **GND** |
 ====== Source ======
 ===== Firmware =====
-  * [[https://github.com/ok1hra/eth-din-dev-kit/releases|GitHub]] Arduino sample code \\
+  * [[https://github.com/ok1hra/eth-din-dev-kit|GitHub]] **Arduino** sample code \\
-  * [[https://github.com/ok1hra/eth-din-dev-kit/releases|Releases on GitHub]] sign **ESPhome** label\\
+  * [[https://github.com/ok1hra/eth-din-dev-kit/releases|Releases on GitHub]] sign **without ESPhome** label\\
 ===== Hardware =====
   * [[https://remoteqth.com/download-count.php?Down=hw/Expandable-DIN-module-03.pdf|.PDF]] schematics rev 0.3
 ----
-===== BOM =====
+====== BOM ======
 | 1x | {{https://remoteqth.com/img/wiki-din-module-SB-16.png?100}} \\ **DC Power connector 5,5/2,1mm** | [[https://www.tme.eu/cz/details/pc-2.1_5.5-14/konektory-dc/changzhou-dahua-imp-and-exp-group-co/vg18013a/]] |
 | 2x | {{https://remoteqth.com/img/wiki-din-module-SB-10.png?100}} \\ **DS18B20 with JST conector** | [[https://www.laskakit.cz/en/dallas-ds18b20-digitalni-vodotesne-cidlo-teploty-3m/]] |