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Testing the Flood Warning System by prototype assembly So, this is it. The moment of truth. After weeks of code, cables, and caffeine, it was time to see if my little flood warning system could actually handle the real world. Spoiler: it didn’t catch…

So the fun part begins — wires, boards, and the faint smell of solder . This is where the project goes from “cool idea” to “actual blinking lights.” Here in this blog we will discuss the wiring of all components and the Code inside the Arduino Board…

Alright — time for the slightly nerdy, very satisfying bit. This is where the sensors stop being lonely hardware and start sending real data to the cloud. No smoke. No drama. Just packets, spreadsheets, and the occasional garbage value that makes you…

Every good project needs a brain. But the real magic? That’s in the flow — how information moves from sensors to the cloud and back. This blog is all about that invisible choreography. The part you don’t really see but totally depends on. Working…

You ever stood by a river after a long night of rain? The air smells like wet soil, frogs are losing their minds, and the water looks calm… until it’s not. That’s where this project started. One evening last monsoon, I watched a lot of news regarding…

Power management is one of the challenging parts of a project. My device will be independent, battery-powered, as it will be placed on the rooftop tank; utility supply may not always be available. The device will be powered from a 18650 li-ion battery…

My project needs an internet connection to send the water level to the cloud. So, I selected ESP8266-based Wemos D1 Mini board for its form factor and low price. As the connector of the TDK Ultrasonic sensor is not breadboard-friendly, I removed the official…

One of the main goals of my project is to measure the water level using the ultrasonic sensor. So, I was trying to measure the water level using the TDK Demo Kit. I used a 25-liter water jar and positioned the sensor unit at the top opening of the jar…

While I wait for the right moment to the test the SwishMaster on a court (which will be, hopefully, this weekend), here is a miscellaneous update on the project Firmware Firmware will have three main states: Calibration : in order to reliably…

After unboxing the TDK Demo Kit, I was curious about the accuracy and range of the TDK Ultrasonic sensor. Fortunately, the TDK provides an official Demo Kit Software that helps trigger and visualize USSM sensor measurements and data without writing any…

In this post, I am going to share my progress on building the container and assembling the electronic components of the SwishMaster device The case The SwishMaster case is made up of three main parts 1. The main case The main case has slots…

In this post, I will talk about some of the relevant features of the firmware I am developing. Reading ball height I explained how to measure the distance between the ball and the SwishMaster in a previous post . Basically, I am leveraging the TDK…

I am proud to be an official challenger of In Reach! Ultrasonic Sensor Sending Challenge . Although I received the challenger kit two weeks ago, I couldn't start until yesterday. Yesterday, when I first opened the box, it gave me a good feeling about…

As I said in my previous post, the SwishMaster device will be based on an Arduino 33 BLE Sense, which connects to two USSMs by means of level shifters. The overall hardware architecture is shown in the following picture However, after checking parts…

In this post, I will talk about my experiments with the TDK USSM that are aimed at checking out how precisely and how far the ball position can be detected Setup To conduct the experiments, a reference line approximately 3 meters in length was drawn…

Echo Park – Ultrasonic Parking Assistant Introduction This is my initial post in the In Reach! Ultrasonic Sensor Sensing Challenge. I have a requirement for a parking assistance indicator that will indicate when a vehicle is parked at the appropriate…

I finally received the TDK USSM Evaluation kit, so it's time to go more in depth with the design decisions... Unboxing First of all, let's unbox the evaluation kit The Ultrasonic Module demo kit includes the following items: An adapter board…

If you have ever played basketball at any level, you’ve probably gotten frustrated with your coach yelling at you to shoot with the right trajectory—meaning the ball should leave your hands at about a 45-degree angle. There are several reasons for this…