DIY Repair of DETA Smart Switch: A Success Story

I recently encountered an issue with my DETA 6912HA dual gang smart switches, and I wanted to share my experience in case it helps anyone else facing similar problems. The Problem: One of the switches started acting unpredictably, and eventually stopped responding entirely. I initially thought it might be related to an ESPHome update, but it turned out to be a hardware issue. The Solution: After some research, I discovered that the problem was caused by a failed electrolytic capacitor on the power supply board. The capacitor, rated at 10v 680uF, had failed, leading to poor 5v regulation and preventing the ESP controller from booting properly. The Fix: I decided to tackle this DIY repair. I carefully desoldered the faulty capacitor and replaced it with a new one. The process wasn’t too complicated, and I was able to find the replacement capacitor locally. The Result: The switch is now working perfectly! It’s been a little over a month since the repair, and I haven’t encountered any issues. This was a great learning experience, and it’s satisfying to know that I extended the life of my device instead of just replacing it. Final Thoughts: If you’re comfortable with basic electronics, I highly recommend checking for hardware issues before considering a device as faulty. Sometimes, a simple component replacement can solve the problem. Plus, it’s a great way to save money and reduce waste! I’d love to hear if anyone else has had success with DIY repairs on their smart home devices. Happy tinkering! :rocket: