POE or Power Over Ethernet is a technology that lets electrical power to be transmitted along with data over standard Ethernet cables. This eliminates the need for separate power cables and power supplies for networked devices, making it a convenient
Wiring the MELEXIS MLX90324 Magnetic Hall Effect Monolithic Rotation Sensor with ESP32
This is the MLX90324 Magnetic Hall Effect Monolithic Touchless Rotation Sensor developed by MELEXIS Semiconductor. This MLX90324 is a sensor that uses its signature called TriaXis Hall Technology means that it uses a magnetic force to drive this sensor. moreover,
Wiring the ACS711 ±25A, ±31A, ±12A, ±15A Hall Effect Linear Current Sensor with ESP32
This is the Allegros ±25A, ±31A, ±12A, ±15A ACS711 Hall effect-based linear current sensor an integrated overcurrent fault output, which provides you a low-resistance ~ 1.2mΩ current route including electrical isolation reach to 100 volts. This model receives a bidirectional
How to ESP32 Encrypted Data Transmission / Send & Receive Data with ESP-NOW Protocol
In ESP32 there is a feature that you can encrypt data or messages using ESP-NOW technology developed by Espressif System. With this feature, we now transmit encrypted data from one ESP32 to another This communication protocol is running in low-power,
Wiring SENSERION SCD30 CO2 Sensor in ESP32 TFT Display
With thoughts to miniaturization, the NDIR (Nondispersive Infrared Sensor) technology seems to reach a limit for CO2 sensors, as the sensor sensitivity is directly equivalent to the optical beam path length and thus the sensor size. The Sensirion is always
ESP32-S CAM in Face Detection and Recognition with ESP-IDF / ESP-WHO Library
Here is another 14CORE guide working with ESP32-S CAM that runs with ESP-WHO Library. ESP-WHO is a face detection and recognition customize code for ESPRESSIF System Chip and coded and optimize that suits for the ESP32 chip with the help
Point to Point / Server & Client Setup on ESP8266 & MCP9808 Temp Sensor
ESP8266 is capable to transmit and receive data via WiFi. ESP8266 can be configured or set as a basic server and access point. On this guide, we will be going to configure the ESP8266 to talk to each other without
Sending Queues with FreeRTOS on ESP32 / ESP32S
RTOS (Real Time Operating System) is a computer program that supports basic functions, services or applications that runs on real time environment. RTOS is not a big data size of operating system and it is not design to runs on
Pushing Topics to MQTT Protocol with ESP32 / ESP8266
MQTT (Message Queuing Telemetry Transport) Protocol is a M2M (Machine to Machine) lightweight messaging protocol widely used in IOT (Internet of Things) that provides a resource constrained network clients. Almost IOT cloud platform support MQTT protocol to send and receive
Reducing Power Consumption on ESP8266 / ES32
Here is the approaches to minimizing the power consumption of your ESP8266/ESP32 by coding to extend the battery life of your peripheral devices. The key aspect of this mode is that it requires a little overhead to enter and exit
Flashing microPython on ESP8266, 32, 32S, VRover, WRooM
microPython is efficient programming language base to Python 3 its includes a small subset of Python standard library and optimized to runs on microcontroller and contained environments, popular in many micro controllers such as Teensy, ESP8266, ESP32, pyCom, micro:bit, pyBoard,
Wiring and Flashing ESP32-WROVER, ESP WROOM 32 with USB TTL UART and ESP32 Download Tool
ESP32 develop by ESPESSIF systems and some other development module and boards. The ESP32 WROOM 32 is a generic Wifi with Bluetooth, Bluetooth Low Energy Microcontroller module that provides a wide range of applications, from low-power networked sensors at the