We start with soldering the water leveling controller electronic circuit. This circuit consists of thru-hole connection and surface mount device. The components for this task are:
- relay
- capacitor
- resistor
- transistor
- voltage regulator
- diode
- LED
- switch
- push button
- soldering irons
- resistance soldering apparatus
- Induction wave / drag soldering
- reflow soldering
- intrusive soldering