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https://github.com/syssi/esphome-dps

ESPHome component to monitor and control the RDTech DPS series
https://github.com/syssi/esphome-dps

dps dps5020 esphome esphome-component hacktoberfest uart

Last synced: 2 months ago
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ESPHome component to monitor and control the RDTech DPS series

Host: GitHub
URL: https://github.com/syssi/esphome-dps
Owner: syssi
License: apache-2.0
Created: 2022-06-09T06:22:14.000Z (over 2 years ago)
Default Branch: main
Last Pushed: 2024-10-21T10:09:12.000Z (2 months ago)
Last Synced: 2024-10-21T14:44:19.831Z (2 months ago)
Topics: dps, dps5020, esphome, esphome-component, hacktoberfest, uart
Language: C++
Homepage:
Size: 920 KB
Stars: 21
Watchers: 4
Forks: 4
Open Issues: 5
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE

Awesome Lists containing this project

README

        # esphome-dps

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[!["Buy Me A Coffee"](https://img.shields.io/badge/buy%20me%20a%20coffee-donate-yellow.svg)](https://www.buymeacoffee.com/syssi)

ESPHome component to monitor and control the RDTech Digital Control Power Supply (DPS) series via UART-TTL.  

![Lovelace entities card](lovelace-entities-card.png "Lovelace entities card")

## Supported devices

* DPS3005 Buck, 0-30V, 0-5A, 160W (`current_resolution: HIGH`)

* DPS5005 Buck, 0-50V, 0-5A, 250W (`current_resolution: HIGH`)

* DPS8005 Buck, 0-80V, 0-5.1A, 408W (`current_resolution: HIGH`)

* DPS5015 Buck, 0-50V, 0-15A, 750W (`current_resolution: LOW`)

* DPS5020 Buck, 0-50V, 0-20A, 1000W (`current_resolution: LOW`, tested by [@romeox44](https://github.com/syssi/esphome-dps/discussions/1))

* DPH5005 Buck/Boost, 0-50V, 0-5A, 250W (`current_resolution: HIGH`), reported as model 5205

## Requirements

* [ESPHome 2024.6.0 or higher](https://github.com/esphome/esphome/releases).

* Generic ESP32 or ESP8266 board

## Schematics

```

┌──────────┐                ┌─────────┐

│          │<----- RX ----->│         │

│ DPS5020  │<----- TX ----->│ ESP32/  │

│          │<----- GND ---->│ ESP8266 │<-- 3.3V

│          │                │         │<-- GND

└──────────┘                └─────────┘

│            o GND ── GND                │

│            o TXD ── GPIO5 (`rx_pin`)   │

│            o RXD ── GPIO4 (`tx_pin`)   │

│            o VCC                       │

└─[oooooooo]─────────────────[oooooooo]──┘

```

![DPS3005 connector pinout](images/dps3005-pinout.jpg "DPS3005 connector pinout")

The connector is a 4 Pin GH Molex Pico 1.25mm. Do not connect the ESP to the VCC pin of the DPS in any case. [This will destroy the voltage regulator of the device](https://tech.scargill.net/dps5020-diy-power-supply/#comment-60544).

## Installation

You can install this component with [ESPHome external components feature](https://esphome.io/components/external_components.html) like this:

```yaml

external_components:

  - source: github://syssi/esphome-dps@main

```

or just use the `esp32-example.yaml` as proof of concept:

```bash

# Install esphome

pip3 install esphome

# Clone this external component

git clone https://github.com/syssi/esphome-dps.git

cd esphome-dps

# Create a secrets.yaml containing some setup specific secrets

cat > secrets.yaml <