DIY Smart Doorbell + Letterbox Alerts with ESPHome
Mellow_Labs 26:46
11,046 views · 502 likes Watch on YouTube ↗
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🎉 Video Summary:
I built a smart doorbell with a big push button, a reed switch for mail alerts, and whole-home power monitoring in Home Assistant. Started on ESP32-C6 with Zigbee, then switched to ESP32-C3 on ESPHome for reliability. Tested battery and solar, added a USB power feed, installed everything, and set up instant phone notifications.
⏱️ Chapters:
0:00 Project intro & goals
1:56 Sponsor: JLCPCB
3:02 Hardware choice & Zigbee setup (ESP32-C6)
6:02 Doorbell + letterbox sensors working
7:50 Power monitoring with a current clamp
11:48 Battery tests & solar experiment
20:37 Permanent power (USB from cupboard)
24:16 Home Assistant automations & final demo
🏷️ Tags:
#smarthome #homeassistant #esphome #esp32 #zigbee #arduino #diy #electronics #iot #doorbell #letterbox #battery #solar #currentclamp #3dprinting #makers
🔧 Trusted by over 5 million engineers!
💰 New customers get $70 in coupons
👉 https://jlcpcb.com/?from=mellow_labs
💖 Support My Work:
Patreon: https://www.patreon.com/Mellow_labs
Mugs: http://mellowlabs.uk/ 33% OFF
🌐 Socials:
Discord: https://discord.gg/bnxkTqQRak
Reddit: https://www.reddit.com/user/fire-marshmallow
Instagram: https://www.instagram.com/mellow_fire/
Printables: https://www.printables.com/social/282935-mellow
🎉 Video Summary:
I built a smart doorbell with a big push button, a reed switch for mail alerts, and whole-home power monitoring in Home Assistant. Started on ESP32-C6 with Zigbee, then switched to ESP32-C3 on ESPHome for reliability. Tested battery and solar, added a USB power feed, installed everything, and set up instant phone notifications.
⏱️ Chapters:
0:00 Project intro & goals
1:56 Sponsor: JLCPCB
3:02 Hardware choice & Zigbee setup (ESP32-C6)
6:02 Doorbell + letterbox sensors working
7:50 Power monitoring with a current clamp
11:48 Battery tests & solar experiment
20:37 Permanent power (USB from cupboard)
24:16 Home Assistant automations & final demo
🏷️ Tags:
#smarthome #homeassistant #esphome #esp32 #zigbee #arduino #diy #electronics #iot #doorbell #letterbox #battery #solar #currentclamp #3dprinting #makers
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