The WiFi RGB Driver receives the commands from the user via WiFi with ESP8266 and the web page, then sets the duty cycle of PWM signal and sends it to the MOSFETs and sets the light intensity of two separate RGB channels. You’ll be able to set a constant color for the RGB lights in…
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WiFi ECG Monitor calculate and shows the blood’s oxygen saturation and the heartbeat-rate with the diagram.“ESP8266” is a programmable WiFi module which is the main processor of the project and communicates with the oximeter module via I2C and the user interface via WiFi. “MAX30100 Pulse Oximeter” is a module with two RED and Infrared LEDs…
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The “Ai Thinker ESP12” module (ESP8266MOD) has an ACD pin (works in range of 0V to 3.3V) with 10 bits resolution (0-1023). The pin is between RST and EN. In the WiFi ESP8266 Microphone project, we have used this channel as the audio signal input. The ESP8266 Microphone and ESP32 Microphone Audio Stream Page This…
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The “Ai Thinker ESP12” module has an ACD pin which works in range of 0V to 3.3V with 10 bits resolution (0-1023). The pin is between RST and EN. In the “WiFi Microphone” project, we have used this channel as the audio signal input. This project is available as ESP8266 WiFi Microphone and ESP32 WiFi…
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The “Ai Thinker ESP12” module has an ACD pin which works in range of 0V to 3.3V with 10 bits resolution (0-1023). The pin is between RST and EN. This pin is the input of WiFi Oscilloscope. This project is available as ESP8266 WiFi Oscilloscope and ESP32 WiFi Oscilloscope. The source code contains 4 files:…
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ESP32-CAM module contains a 2MP Camera, some I/O pins and one MicroSD slot to store the images and videos. With its tiny size and 240MHz CPU is able to provide a fair quality images. This project is a source code which lets you to handle the camera and use the module’s special features. You can…
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WiFi Autoconnect and Web application builder project contains Arduino ESP32 WiFi autoconnect and Arduino ESP12/ESP8266 WiFi autoconnect The source code contains 3 files: First open one of the files with Arduino program, then set the settings as the following image (Board, CPU Frequency And Flash Frequency) Then put the ESP32 module on the “download mode”…
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There are multiple useful tutorial posts about electronics and electronic engineering in my website. Here are some of the tutorials: Advantages and disadvantages of connecting resistors in series and parallelOperational Amplifier IC (OP-AMP)Transistor amplifierElectrical, magnetic and electromagnetic fieldsCapacitor applications in the circuit designCircuit design and constructionTransistor and how to use it in the circuitCapacitor and…
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