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The next step to do was to build Martin's Howse plant sensing circuit. The circuit was changed a little bit and the AD620 amplifier chip was exchanged for LM386L amplifier chip but they work very similar. | The next step to do was to build Martin's Howse plant sensing circuit. The circuit was changed a little bit and the AD620 amplifier chip was exchanged for LM386L amplifier chip but they work very similar. | ||
[[File:Lm.png]] | |||
[[File:Ad.png]] |
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