How to Execute a Timed LED On/Off Sequence Using millis() Function

Hello ,I’m struggling with a problem. I want to execute a sequence of turning an LED on and off, but not just a simple on/off; I want a timed sequence […]

How can I correctly measure battery voltage using the A0 pin on Arduino?

I want to know when the batteries of a model are getting low. The 5 AA batteries are over 5 volts so I cannot check the end voltage. I make […]

How to Reverse the Output of a Reed Switch Circuit to HIGH?

I’m using a circuit that gives a LOW output on D when a magnet passes by the reed switch. Is there a way to make it output HIGH instead? (HIGH […]

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how can i implement secure communication between IoT devices using Transport Layer Security (TLS)

Good day guys how can i implement secure communication between IoT devices using Transport Layer Security (TLS) in embedded software in C programming language (peer to peer communication between devices), […]

WiFiManager Integration in ESP32

Hi all, I have an ESP32 receiving information from another ESP32 equipped with sensors. Below is the code for the receiving ESP: “`C++ #include #include const char* ssid = “XXXX”; […]

facing issues reading data from the SIM800 module

Good day devs, I tried integrating a SIM800 module with FreeRTOS for a small start up. I plan to use HAL_UART functions with a timeout mechanism for UART communication, but […]

Unexpected Memory Value Fluctuations in GDB While Debugging Pointer in x86-64 C Program

In my last question, I misunderstood how GDB interprets memory when using different formats like `x/d` and `x/1wd`. After some digging, I realized the issue was related to GDB displaying […]

How to start learning IOT and embedded systems development

Can anyone assist me for learning IOT and embedded systems development I have been learning about different microcontrollers (UNO,ESP32,NODEMCU) and C, C++ Kindly give me a roadmap to follow!