Vernier Software and Technology
Vernier Software & Technology
Tech Info Library

Vernier Circuit Board (original model) Troubleshooting and FAQs

Vernier Circuit Board, order code VCB
Specifications and User Guide

- Primary Test: Check for physical defects. Check for proper power supply. There is also a resettable fuse located to the right of switch SW1. This fuse limits the current to 0.8 A. After being tripped, the fuse remains open until the power has been removed.

TIL 1365: Where do I get replacement lamps for the Vernier Circuit Board (VCB)?
TIL 2334: Is there a better resolution schematic for the Vernier Circuit board than what is in the guidebook?
Public List of TIL Entries for Circuit

- 10x7 inch circuit board
- 14 inch jumper wire with mini-alligator clips (10 pcs)
- #48 cylindrical lamp, 0.06 A @ 2 V (5 pcs)
- #50 round lamp, 0.220 A @ 7.5 V (5 pcs)
- See the Specifications and User Guide for details on the installed components.


- 10 #48 2.0V Lamps for Vernier Circuit Board, order code BULB BULB (pack of 10 #48 replacement bulbs, $9)
- Extech Digital DC Power Supply, order code EXPS, $229
- Differential Voltage Probe, order code DVP-BTA, $39
- Current Probe, order code DCP-BTA, $39

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