DIY: Improve Automatic Bell System with RX8025

In the previous DIY article DIY: Boost RX8025 Clock Accuracy, we discussed how to modify a clock using the RX8025. In this article, let's take a look at how to modify an automatic bell system with the RX8025. If you're interested, keep reading!

Automatic bell systems often become inaccurate over time. Initially, they may only need adjustments every one or two months, but eventually, these adjustments become more frequent. What can you do in such situations? If you've experienced this, you can try modifying it with the RX8025.

First, you'll need to disassemble the automatic bell system. Once opened, you'll see the internal structure as shown below.

Before proceeding, make sure to take note of the wiring order.

External view of the automatic bell system

Internal board of the automatic bell system

The original bell system uses a PAIDEER double-A battery, so you'll need to choose the RX8025AC, which is suitable for single-cell operation.

Next, solder the components onto the board and secure them with hot glue:

Finally, close it up and hang it back in place. That's it! No more need for manual time adjustments.

Done.