$10.49
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Replacement AD654JN voltage to frequency converter IC. This is used in the Stimulator V2.1 and later versions of the standard Stim board.
*Not used in the JimStim.
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Replacement 497-2055-5-ND RS232 transciever, 16 pin DIP package. Used as U6 in V3.0 and V2.2 MegaSquirts. This is a drop-in replacement for the MAX232.
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8 pin op amp - U7 from the V3.0 kit. We are now using the MC34072APG instead of the LM2904.
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The classic 555 timer integrated circuit, in an 8 pin DIP package. This little chip has plenty of uses. In the MegaSquirt lineup, the older Stim boards used it to generate an RPM signal, and the DIYPNP uses it in its knock circuit. See the MS1/Extra manua...
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Replacement 4N25 optoisolator. Used as U3 in the V3.0 kits and U4 in the V2.2.
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IXDI604PI dual inverting MOSFET driver. Replaces the IXDI404PI in the original bill of materials. This is U4 in a V3.0 board, U7 in a V2.2.
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MPX4250AP MAP Sensor Standard 2.5 bar Map Sensor used in MegaSquirt PCB 2.2/3.0/3.57 ECUs. Good for 21-22psi of boost, or for NA usage in non-boosted applications.
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