The Commodore 8bit Keyboard Tester can measure the resistance of every key of 8bit Commodore keyboards (requires a multimeter and two 4mm lab cables).
You can test the keyboards of the following Commodore machines:
- C64
- VIC-20
- PET/CBM
- C16
- PLUS 4
- C128
- C128D
- SX-64 (Requires a special cable)
Simply hook up your keyboard to the appropriate connector and connect your multimeter to measure the resistance of each key. A good impedance is between 0Ω and a few 100Ω. Anything higher than 600Ω should be inspected.
Commodore 8bit Keyboard Tester
- Brand: Retro Rewind
- Product Code: R-64-KEYTES
- Availability: In Stock
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$22.00