IR Photodiode

Sensors blocks

Sensor blocks react to the world: light, infrared and magnets. Put one on a transistor's base and the circuit responds to what the sensor sees.

Circuits that use this block

This block is not in the example circuits yet. Try it on the workspace and build your own.

Other blocks in this family

• LDR (light sensor)Low resistance in light, high in the dark. Click it to cover it.
• A3144 Hall Effect SwitchSenses a magnet. + at the top, − at the bottom, OUT on the right pulls low when a magnet is near.
• IR LEDAn infrared LED. You cannot see its light, but an IR photodiode can.