MuTech RoboticsLearning Hub
Kids OK with adultESP32-CAMLevel 3/3

Photo Doorbell

When someone presses the bell, the ESP32-CAM sends their photo to your phone on Telegram.

Photo Doorbell
Kids OK, with an adult

DIY project. Children must build this only with an adult (16+ years) beside them at all times. Not suitable for children under 8 years.

Setup: create a bot with @BotFather, paste the token and Wi-Fi in the code, flash with USB-TTL (IO0 to GND while uploading), then send /start. Use a 2A supply.

Strictly follow the description given with this video.

Video

The video link will be added here soon.

How it works

  1. The button press wakes the ESP32-CAM.
  2. It takes a photo with its camera.
  3. It sends the photo over Wi-Fi to your Telegram bot.

Parts you need

  • ESP32-CAM× 1Buy
  • Push button× 1Buy
  • 5V 2A adapter× 1Buy
  • USB-TTL adapter (for flashing only)× 1Buy
Kit for this projectPrice on request
Get the kit

Wiring

Wiring diagram
PowerGroundSignal
#FromConnect to
1 Power5V adapter +ESP32-CAM 5V
2 Ground5V adapter −ESP32-CAM GND
3 SignalButtonESP32-CAM IO13 (INPUT_PULLUP)
4 GroundButton other legESP32-CAM GND

3D print files

  • cam_housing_front.stlPETG / ASA for outdoorsLink at launch
  • cam_housing_back.stlPETG / ASA for outdoorsLink at launch

Code

The tested Arduino / ESP32 code for this project will be posted here, ready to copy.