62- Cellphone Device

This circuit historically is attached to a cell phone. The small signal from the speaker of the cell phone engages with an optocoupler to trigger an SCR, which triggers a relay to fire a DET.

• Download Reference Guide (.PDF)
• Download .BTM File

The parts in this kit will allow the student to complete this lab.

Choose “Full Kit (PCB + Parts)” for a solder kit that includes all required parts for the build, a quick reference card and support from our amazing community of makers.
 

Choose “Assembled and Tested” for a fully assembled and tested ready to use device and reference card.