Another illustration that demonstrate how to use the ESP8266 as a web-based Soil Moisture / Temperature and Humidity Monitor. If you’re new to ESP8266 please refer to this link. There are 3 main component are used to this project. The
14CORE BOT on ESP8266 L298N/L293D Wifi Web Base Controller
This is a wireless remote controlled robot using ESP8266 with L298N or L293D H-Bridge Motor Controller along with your Arduino Microcontroller, This bot is also tested in ESP8266 7, 12, 12E with or without Microcontroller. As you can see the
Wiring the ITG3200 / ADXL345 / HMC5883L 9DOF RAZOR IMU AHRH UART SPI i2C Communication
This is the 9DOF (Degrees Of Freedom) IMU (Inertial Measurement Unit) module that has 3 integrated sensor in one module board the ITG-3200 (Triple Axis Digital Output Gyroscope), ADXL345 (13bit Resolution ±16g Triple Axis Accelerometer), HMC5883L (Triple Axis, Digital Magnetometer)
Wiring the CC1101 1GHz LSS Low Power, SPI interface, Spring Coil Transceiver
CC1101 is a low-cost sub 1GHz transceiver designed for low power wireless applications. The circuit is mainly used for Industrial, Scientific, and Medical (ISM) and Short Range Device (SRD) frequency bands running @ 315, 433, 868, and 915 MHz and
Wiring the PCF8574AP 8bit Bidirectional IO Expander Driven i2C Communication Bus / SPI
This is the PCF8574AP consists of an 8-bit quasi-bidirectional port and an i2C Serial Bus Interface. The PCF8574AP has a low current consumption and includes latched output with HIGH consumption and include latched output with high current drive capability for
Wiring The HMI NEXTION TFT Touch Display on 6 Channel Relay Module with Microcontroller
This is the NEXTION HMI a Human Machine Interface device that provides a GUI control of instruments that feeds from your microcontroller. The Nextion is simplified interface to visualize the process between a human and machine, these device is useful
Wiring the 3014/3020/2835/5050/ Analog LED Strip with Bluetooth, Android & Microcontroller
This is another illustration how to wire the Analog Led Strip using PWM on Microcontroller together with Bluetooth module and your Android smart phone. As your can see the diagram below we are using MOSFET to drive higher voltage pointed
Android LUX Meter with HC06 Bluetooth Module & Microcontroller
The BH1750 IC is a digital Ambient light sensor IC that drives on i2c / IIC bus interface. It is possible to detect wide range at high resolution rated to 1 – 65535 LUX. Mostly used in Mobile Phone, LCD
Wiring the DS18S20 1-Wire Temperature Sensor with Bluetooth HC06 on Android & Microcontroller
DS18B20 communication is using 1 wire port. With the 1wire port the memory and control functions will not be available before the ROM function protocol has been established. The master must first provide on of five ROM function command. 1.
Wiring Bluetooth HC06 in 8 Channel Relay with Android & Arduino Microcontroller
Another guide how to wire the HCo6 and 4 Channel Relay for switching, The HC06 modules uses BlueCore is a single chip radio and baseband IC for Bluetooth 2.4GHz system including enhance data rates (EDR) to 3Mbps. for more details
The IOT Protocols The Base of Internet of Things Ecosystem
IOT Internet of Things are the next technological revolution that will invest every area such industrial, transportation, building constructions, manufacturing, agriculture, healthcare, energy on everyday life, etc. IOT promises to connect every things all together enable them to exchange information like,
How MQTT Telemetry Transport Protocol Works for IOT Test with Mosquitto in Open GPIO Micro Computer
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