The ESP32 IoT Device I’m Building to Collect Sensor Data — For Beginners and Arduino Users
--- Learning a technology means reclaiming the choices in your own life --- You may have connected an ESP32 development board and sensors before, but the process of developing a jumper-wire experiment into a complete device can feel daunting. There is a great deal of information online about circuit design, PCB fabrication, sensor control, and BLE and Wi-Fi communication. However, connecting this scattered information and completing a board that actually works requires a great deal of trial and error. In this course, you will design and build an ESP32-based sensor board yourself. You will configure the power and firmware download circuits, connect temperature and humidity and light sensors, design a PCB with KiCad, and order it for fabrication. Once the board is complete, you will upload firmware to it and transmit sensor data externally via BLE and Wi-Fi. By the end of the course, you will be able to go beyond simply assembling development boards and sensor modules: you will understand and be able to modify circuits and PCBs to suit your own purposes. The project completed in the course can be reused as a starting point for new projects such as environmental monitoring devices, smart home devices, educational kits, and IoT prototypes. Even in an era when generative AI can rapidly create digital content, physical information such as temperature, humidity, light, and movement in the real world can only be obtained through sensors and hardware. The ability to collect data with a device you built yourself and connect it to a network gives you the power to turn ideas into real-world systems. This course will be helpful for: * Those who have used Arduino or ESP32 development boards but are new to PCB design * Those who want to turn a sensor project made with jumper wires into a single complete board * Those who want to learn KiCad by following an actual ESP32 project * Those who want to build a device that collects sensor data and transmits it via BLE and Wi-Fi * Makers and educators developing environmental monitoring, smart home, or educational hardware * Aspiring entrepreneurs preparing their own IoT products or prototypes * Developers and content creators who want to analyze or process data collected from the real world or use it with AI models Move from being someone who uses development boards to someone who designs their own boards. This course does not merely teach you how to use sensors. It is a course where you experience the entire process of turning an idea into a circuit, turning the circuit into a PCB, and connecting the completed hardware to a network.
69 learners
Level Basic
Course period Unlimited
News
3 articles
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Edited
Hello, this is Greentam.
To help students with their PCB production, we have prepared a coupon event for manufacturing discounts.
If you manufacture PCBs through JLCPCB, you will receive 5uponsigningupanda10 discount coupon for PCB production. Therefore, a total discount of $15 is available.
To receive the coupon, please follow the steps below.
Students, please send me the Inflearn ID you used when signing up for the course via email (digitalforger73@gmail.com). It would be appreciated if you could use [Coupon Request] as the email subject.
After I verify your enrollment (excluding B2B enrollments), I will send the sign-up link to the email address you used for registration.
If you sign up through the registration link you received, a $5 sign-up coupon will be issued.
Note: Please make sure to sign up through the English website link I provide. (It is said that sign-up records via links may be missing on the Korean page.) The sign-up coupon can be used for your first order.
JLCPCB will verify the sign-up path (the link I provided) and issue a $10 event coupon to all students.
Afterward, you can use the coupon when ordering your second PCB. In other words, the sign-up coupon can be used for the first order after joining, and the event coupon can be used for the second order.
If you have already signed up for JLCPCB, it may be a bit of a hassle, but you can receive the above coupons by signing up with a new email address.
Please participate actively, and if there are any issues, let me know via the email above so I can take action.
Green Tom
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Edited
Hello, this is Greentam.
The first-come, first-served free board event is still ongoing.
As of March 30th, a total of 3 people have applied so far.
There are still 7 left, so please apply after completing the course and writing a review.
I am preparing to create a community on Discord for information exchange between my course students and ESP32 users.
The materials I plan to post on Discord will include a new version that fixes some shortcomings in the board design from the lecture, as well as sharing the results of measurements taken by attaching various other sensors besides the temperature, humidity, and light sensors.
I hope this will become a place where community members can exchange information regarding questions or difficulties encountered during the lectures, as well as ESP32 board design and production.
Soon, I will start by inviting those who have applied for the board to the community, and then I will work on activating the community so that more people can participate later on.
Hello, I'm Greentam.
The course opened on March 17th and is currently offering an early bird discount for two weeks.
As a token of gratitude to those who purchased the course early (including those after the early bird discount period), we are offering a free board produced for the course (one per person, valued at approximately 20,000 KRW, identical to the one shown in the course introduction) to those who complete the course and leave a star rating and review. This offer is available on a first-come, first-served basis to the first 10 people who have made a purchase (excluding subscribers) until the boards are out of stock.
The star rating and review section that appears after completing the course (You must write at least one sentence; please do not leave it blank),
If you liked the lecture, please mention which parts were helpful,
if there are any shortcomings in the lecture, what areas need improvement,
After writing your review, please send your contact information and shipping address to my email address (digitalforger73@gmail.com). Once I confirm the course completion and the review, I will send it on the same day or the following day if possible. (I will cover the shipping costs.) Regardless of the star rating, I will send it to you if you send an email after completing the course and writing a review.
Please make sure to include your student ID when you send the email. The first-come, first-served basis is determined by the time the email is received.
Thank you.
GreenTam