We've tested and reviewed products since 1936. Read CR's review of the Polder 560 refrigerator thermometer to find out if it's worth it.

We've tested and reviewed products since 1936. Read CR's review of the Oxo 1051394 refrigerator thermometer to find out if it's worth it.

In this circuit, the MC14553B controls the most significant (leftmost) value of the thermometer display. Lastly, the HEF4511B BCD to 7-segment BCD decoder is coupled to the MC14553BCP 7-segment ...