These show views of the clock
Front:Front view
Top with lid open.
Top virw
Everthing is fastened to the panel. which is hinged to the right and secured by a latch.
The battery has to be unplugged to be recharged. Its connector is JST. A LiPo charger must be used.
It plugs into a boost DC-DC converter which is on a board with the power control compoments.
In the middle is a board with the contrast potentiometer, hour slide switch and the reed switch which is actually in a relay.
The wsduino board at the top was bought as a kit. The yellow button at the top right is reset.Inside view