Required materialsESP32KOB electronic lockRelaySTONE STWI070WT-01 touch panel displayMFRC522 moduleRealized function1. card registration.2. username and password registration.3. card swipe to unlock the electronic lock.4. User name and password to unlock the electronic lock. view more

• ESP32
• Arduino
• LCD
• DIY

I recently bought STONE's new product and got familiar with it by making a fun and simple mini-game.

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• DIY
• Arduino
• LCD
• touchscreen
• HMI

Some time ago, I found a heart rate sensor module MAX30100. This module can collect the blood oxygen and heart rate data of users, which is also simple and convenient to use. According to the data, I found that there are libraries of MAX30100 in the Arduino library files. That is to say, if I use... view more

• DIY
• HMI
• TFT LCD
• Arduino