Veroboard layout drawn in veecad, colourised with paint.net
Schematic drawn in Tinycad.
- Take careful note of the pins outs of the LM317/350 regulator. Don't confuse them with the pinouts of the 78XX regulators. Check the LM317/350 data sheets.
- Use a heat sink on the regulator.
- Also use a 24V or 12v-12v transformer. The 30V transformer is RMS, 42V P2P, and exceeds the input limit to the LM350 (40v)
Copy of veecad and tinycad files, click below.
Links to source files