Robu - India's Innovative Electronics Community

I recently purchased the YIHUA 928DT Anti-Static Lead-Free Rework Station with a foot-operated automatic soldering iron. However, I’m facing an issue where the wire feeder is not working properly. The stepper motor does not seem to be functioning as expected, and the solder wire is not feeding c ...

How to set up and optimize MQTT for real-time IoT communication?

LoRa modules like 433MHz and 868MHz are popular for long-range, low-power IoT communication. However, users often face challenges when operating these modules in compliance with India's regulations. Let's explore some key questions: Understanding Frequency Bands: Are you aware that 433MHz is not ...

Natural disasters often strike without warning, leaving behind a trail of devastation and loss. What if Artificial Intelligence could change that? This post explores how AI is revolutionizing the way we predict, prevent, and manage natural disasters. AI models are now being developed to analyze ...

1. Motor and ESC Issues: Motors not spinning or spinning inconsistently due to faulty ESCs or incorrect wiring. Incorrect motor rotation direction causing instability in flight. 2. Battery Problems: Low battery voltage leading to sudden power loss during flight. Using an incorrect or incompatible ...

Boot Issues: The Raspberry Pi does not boot due to a corrupt or missing operating system on the SD card. Using an incompatible or low-quality SD card. Power Supply Problems: Insufficient power supply causing the Pi to crash or reboot frequently. Using a power supply that doesn’t meet the required v ...

Compilation Errors: Missing libraries or incorrect library installation. Syntax errors in the code (e.g., missing semicolons, mismatched brackets). Incorrect Port Selection: Not selecting the correct COM port in the Arduino IDE. Wrong Board Selected: Choosing the wrong board type in the Arduino IDE ...

Focus: Discuss how microbial sensors, which use genetically modified bacteria or other microorganisms, can be employed to detect specific pollutants or pathogens in water bodies. Share your thoughts about - How these bio-sensors work and their potential advantages over traditional chemical-based ...

Exploring how different display technologies (LCD, OLED, TFT) can be used to provide real-time feedback about the battery status, motor performance, and power consumption. The integration of these displays with battery management systems (BMS) to show useful data such as remaining charge, distance ...

Using OLED displays in wearable electronics, like smartwatches or fitness trackers.
Different ways to power and connect OLED displays for portable applications.
Share your approach or findings on optimizing display power consumption for extended battery life.