- Build the high-resolution microscope
- Build the low-cost microscope
- Build the upright microscope
- Customisations and alternatives
- Troubleshooting
- Knowledge base

# Soldering Iron

A soldering iron is required to make up the LED+resistor work-around, if an illumination PCB is not available. Any iron will do provided it is compatible with your chosen solder, but a relatively large chisel tip is probably best for wire-to-wire soldering.