Harwin Mainheader EN 728x90 April 2025

More about LDR (3)

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| This article describes a simple tunable filter circuit that needs no special chips, just two op-amps that can be running from a 5-V single s...

| Last week, we discussed the schedule of our home-built phaser. Now we will conclude with a few tips for the construction.

| Candles are great during this time of the year (these dark days before Christmas), but are also a fire hazard, as we can unfortunately read...