Project | Juanillo62gm

Features

Ready for SSD1306 and ST7735 screens
Monitor your CPU, GPU and RAM over Wi-Fi
OTA Firmware updates

To Do

Add support for different screens

Needed hardware

3D printed case (SSD1306 Screen)

1x Wemos D1 R1 Mini (ESP8266) - Get it on Amazon
1x SSD1306 Screen - Get it on Amazon
1x Charging module - Get it on Amazon
1x 18650 Battery - Get it on Amazon
1x Switch - Get it on Amazon
4x GPIO Cables - Get it on Amazon

Without case (ST7735 Screen)

1x Wemos D1 R1 Mini (ESP8266) - Get it on Amazon
1x ST7735 Shield for Wemos- Get it on Amazon

Instructions

Software

Get the Source Code on GitHub

You need to install the following software to start building this project:

VSCode

You need to modify the following values from /include/secrets.h matching your Wi-Fi setup

URL example const char *url = "http://YOUR-PC-IP:8085/data.json";

How to get your pc ip address on Windows 10?

Open Command Prompt
Write ipconfig and press ENTER
Search for IPv4 Adress: YOUR-PC-IP

const char *ssid = "YOUR_SSID";
const char *password = "YOUR_PASSWORD";
const char *url = "YOUR_OPENHARDWAREMONITOR_SERVER_URL";
const char *hostname = "HardwareMonitor";

Inside /src/main.cpp you need to choose between hardwareMonitorSSD1306(); or hardwareMonitorST7735();

Uncomment the screen that you want to use.

// Enable Wi-Fi Hardware Monitor with SSD1306 screen
  hardwareMonitorSSD1306();
// Enable Wi-Fi Hardware Monitor with ST7735 screen
  // hardwareMonitorST7735();

On platformio.ini you choose the port that uses your ESP8266

Uncomment the upload protocol that you want to use.

; Upload over serial
upload_protocol = esptool
upload_port = COM4
 
; Upload over Wi-Fi
; upload_protocol = espota
; upload_port = "192.168.1.120"

Open Hardware Monitor

Go to Options > Remote Web Server
Enable Run
On Set Port use for example port 8085

Firewall rule for Windows 10

Add an Entry Rule with the following values
- Name Open Hardware Monitor
- Port 8085
- Protocol TCP

How to test if server is accesible?

Get your phone connected to Wi-Fi
On browser url write YOUR-PC-IP:8085
If you can see the values, your Wi-Fi Hardware Monitor can access them.

We are working on this post, sorry for the inconvenience.

Gallery

3D Model

Get it on Thingiverse

Inspired by

Hardware Monitor by ModBros

Gnat-Stats by Psyrax

Website