![74LS138 - 3 to 8 Decoder De-Multiplexer IC [C] RF Modules Low cost and Reliable](https://cdn.shopify.com/s/files/1/0300/6424/6919/files/74LS138-IC.jpg?v=1688129959)
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Low cost and Reliable
The digital pin will remain high when there is no rainfall or water present on the detection plate
As this Module is designed to fit the breakout pins of the commercially available 16*2 or 20*4 LCD displays
Atmega16a Applications:
Angle of View= 67ᵒ
74LS138 - 3 to 8 Decoder De-Multiplexer IC [C] RF Modules Low cost and ReliableThe 74LS138 is a 3: 8 Decoder IC that is commonly used in decoding or de multiplexing circuits for memory decoding or data routing purposes. It is designed for high speed operations and has three enable pins to make it easier to cascade with other ICs. The device decodes 1 of 8 lines, set by x3 binary select inputs & three enable inputs. The LS138 can be used as an 8 output demultiplexer by using one active LOW Enable input as data input & the other
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