This project is an ESP32 and ESP8266 WiFi ECG Monitor (Electro Cardio Gram) and “Pulse Oximeter” firmware with Chain Network feature. The “Chain Network” is a local network which the devices one by one are connected to the each other. This project is based on the “ESP32 WebApp Builder” and “ESP8266 WebApp Builder” projects which…
Read more
Today I’m going to introduce my new esp based projects which is “ESP WiFi Oscilloscope and Volt Meter” firmware with Chain Network feature. This projects are based on the “ESP32 WebApp Builder” and “ESP8266 WebApp Builder” projects which is a base source code with the chain network feature. These projects are available in the following…
Read more
The ESP WebApp project is a base source code which also has the chain network feature and a WebApp builder file which lets you customize your own WebApp style and menus. The project is available in the following links: ESP32 WebApp Builder + Chain Network Feature (Arduino Source Code) – Rev 1.4 ESP8266 WebApp Builder…
Read more
I recently have updated “ESP WiFi Microphone” project to rev 1.3 and now the revision 1.4 is available which is stronger and more stable than rev 1.3. This project is compatible with both of ESP8266 and ESP32 modules and you can simply upload it on NodeMCU, ESP32 DEVKIT and other similar boards. In the latest…
Read more
The SpyCam project uses the “AI Thinker ESP32-CAM” module which has a 2MP Camera, 10 I/O pins, an on-chip LED and one MicroSD slot to store the images and videos. With its tiny sized camera and 240MHz CPU is able to provide a fair quality images and video frames. You can either use a “WaveShare…
Read more
The “DOIT ESP32 DEVKIT V1” module has multiple ACD pins which work in range of 0V to 3.3V with 12 bits resolution (0-4095). The pin that we have used for this project is GPIO33 (D33). In the “ESP32 WiFi Microphone” project, we have used this channel as the audio signal input. Here’s the project link:…
Read more
The high voltage (parallel) programming method which has been used in WiCardKit Software programmer is the highest layer of access to the microcontroller memories and programming. This method can unlock the AVR/PIC chips which can’t be programmed by regular programmers while the chips work well. The other feature is the “reset” pin in some the…
Read more
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…
Read more
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…
Read more
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…
Read more
