Set up an ESP32-CAM as an I2C master to communicate with an Arduino Uno slave at address 0x39. The communication involves the following steps: ESP32-CAM sends "key value" to the Arduino at address ...

Unlike other ESP Development Boards, the ESP32-CAM has no USB connector to connect it to a computer. This might be confusing for beginners when they try to program this development board for the first ...

static const char* _STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY; static const char* _STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n ...

SparkFun has just launched the “IoT RedBoard – RP2350” and “IoT RedBoard – ESP32” boards with Arduino UNO R4 form factor based on respectively Raspberry Pi RP2350B + RM2 wireless module and ...

A traditional lock can pose problems if the keys required to unlock them get lost. In such a case, they will need to be replaced for security purposes. Same applies for an RFID-based lock that is ...

A low-cost drone equipped with a camera opens up many new possibilities with respect to its applications, such as crop monitoring, video surveillance and recording, and many more. However, such drones ...

Abstract: This article presents the enhancement of a weed detection robot designed to automate the identification and riddance of unwanted vegetation in agricultural fields. The robot integrates a ...