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Source Code of the ESP32 Control Program
Instructions from Industry 4.0: An economical SAAS MES part 1
Note: The code is intentionally heavily commented to provide maximum assistance to those who wish it. You can also download the files (with fewer comments) from my GitHub. // Enable WiFi connectivity and secure communication over the internet #include...

Connecting an IR sensor to the ESP32
Instructions from Industry 4.0: An economical SAAS MES part 1
The 3D-printed casing is designed with a hole on one side for routing the IR sensor's cable, and on the opposite side, it features a space to accommodate a USB cable. For powering the board, I've opted for the simplicity of using a USB port. This...

Conclusion and Structure for the Next Part
Instructions from Industry 4.0: An economical SAAS MES part 1
Recap of Part One: We have laid the groundwork for our production monitoring system using a MySQL database. This database is set up to automatically receive, every minute, the number of objects detected by our sensors. Automating data collection represents...

Grab your sd card and flash em!
Instructions from GreenGuard: The Smart Plant Environment Monitor
Prepare Your SD Card Insert your SD card into the card reader of your computer. Make sure to back up any existing data on your SD card, as this process will erase all data.Open the Raspberry Pi Imager application on your computer.Choose the correct device...

Accessing Raspberry pi remotely!
Instructions from GreenGuard: The Smart Plant Environment Monitor
On Windows, you can use an SSH client like PuTTY. On macOS or Linux, open the Terminal. Then type this command to access it : ssh pi@ Replace with the actual IP address of your Raspberry Pi. The first time you connect, you'll likely see a security warning...

Conjure Up Docker Magic on Your Raspberry Pi: A Beginner's Guide
Instructions from GreenGuard: The Smart Plant Environment Monitor
From Docker Enchantment to ESPHome Summoning: A Complete Wizard's Guide Welcome, intrepid techno-magician, to a saga where you'll weave Docker's might with ESPHome's wisdom, bringing harmony to your realm of IoT devices. 🐋 Unveiling Docker Magic...

XIAO Expansion Board with XIAO ESP32C3
Instructions from DIY Digital Watch Project
An XIAO ESP32C3 microcontroller and an XIAO extension board manufactured by Seeed Studio comprised the heart of this project. It comes with rich peripherals that include an OLED, RTC, SD Card Sot, passive buzzer, reset/user button, 5V servo connector,...

Design
Instructions from DIY Digital Watch Project
Initially, we had the idea of reviving an outdated CASIO vintage watch frame that I had with the XIAO expansion board. The expansion board contains the display, microcontroller, RTC and even the battery, so we prepared a rectangular holder that will...

Assembly Process
Instructions from DIY Digital Watch Project
The holder part is added from the bottom side of the frame after the top part has been assembled onto the watch frame. Two M2 screws are used to secure everything in place

Assembly Process: Final
Instructions from DIY Digital Watch Project
Next, we connected the JST connector of the expansion board to the JST connector of the LiPo cell.Next, we insert the battery into the top part and secure the expansion board in its proper position.Next, by using four m2 screws, we secure the expansion...

CODE
Instructions from DIY Digital Watch Project
Here's the code used in this project.#include PCF8563 pcf; #include #include #include #include #define OLED_WIDTH 128 #define OLED_HEIGHT 64 #define OLED_ADDR 0x3C Adafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT); void setup() { display.begin(SSD1306_SWITCHCAPVCC,...

RESULT
Instructions from DIY Digital Watch Project
Here's the end result of this super-small build: a digital wrist watch. The XIAO expansion board serves as a functional clock module in this useful and functional watch. The inbuilt buzzer can be used as an alarm indicator should we introduce an...

Part 1 - The PCB
Instructions from NOOBIX IOT
What’s up my friends, welcome back. This below is the PCB that I’ve designed for my project. I’ve tried to make it as small as I could so it could fit inside of a basic wall electric box. This project works at 220V so make sure you stay safe and...

Part 2 - What we need
Instructions from NOOBIX IOT
Let's see all the needed parts and also check the schematic for this project below in order to know where to connect each part. We need the 220V to 12V regulator, the solid-state relay, an ESP32S smd version, some SMD capacitors and resistors, a diode,...

Part 3 - PCB Schemati
Instructions from NOOBIX IOT
The schematic is quite easy. The basic configuration of the ESP32 chip with pullups to 3.3V for Enable and RST pins. The converter module give us 12V so we connect that in series with the AMS1117 regulators of 5 and 3.3V. The Relay circuit is simple....

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