module
4-channel bi-directional logic level shifter
Small board that converts four signals between a 5 V side (HV) and a 3.3 V side (LV), so 5 V sensors can talk to a 3.3 V microcontroller.
Specifications
| Channels | 4, bi-directional |
| Sides | HV (e.g. 5 V) and LV (e.g. 3.3 V), common GND |
Projects Using 4-channel bi-directional logic level shifter1
Illustration
ESP32ESP32-C3
Three XKC-Y25-V sensors stuck to the outside of a plastic tank tell Home Assistant whether the water is above each one. Nothing touches the water. Our version runs from a USB charger.
Intermediate·Code
8 parts listed
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