The schematic itself is not very difficult, but the soldering can be a little bit tricky because one end of the brass rod will start to de-solder when one tries to solder the other end. A trick is to be accurate and fast which is not easy after force bending the rod
- I started by soldering together pieces of 1mm brass and copper wire, then I connected one of the ne555 circuit
- I then put together the 2nd NE555 using a different value for the capacitor this time and I attached that part to the bas of the tree.Next step was to add bent rods to hold the batteries in place
- I then decided to modify a little bit the design to have only one set of coin cell
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