156 lines
2.5 KiB
JSON
156 lines
2.5 KiB
JSON
{
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"title": "Crank / cam Hall input",
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"source": "IO_MODULES/ENGINE_POSITION_INPUTS.md: Electrical interface",
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"reference_scope": "documentation only",
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"components": [
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{
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"ref": "J",
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"kind": "port",
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"pins": [
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"P"
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],
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"value": "TRIG_x"
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},
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{
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"ref": "V",
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"kind": "port",
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"pins": [
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"P"
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],
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"value": "+12V_SENS"
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},
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{
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"ref": "R_PULLUP",
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"kind": "resistor",
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"pins": [
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"1",
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"2"
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],
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"value": "R_PULLUP\n4.7 k\u03a9 provision"
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},
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{
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"ref": "CLAMP",
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"kind": "transient-protection",
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"pins": [
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"SIG",
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"RET"
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],
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"value": "Harness clamp / ratings TBD"
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},
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{
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"ref": "GC",
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"kind": "ground-port",
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"pins": [
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"P"
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],
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"value": "SENSOR_GND"
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},
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{
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"ref": "R_DIV_TOP",
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"kind": "resistor",
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"pins": [
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"1",
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"2"
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],
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"value": "R_DIV_TOP"
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},
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{
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"ref": "R_DIV_BOTTOM",
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"kind": "resistor",
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"pins": [
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"1",
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"2"
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],
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"value": "R_DIV_BOTTOM"
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},
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{
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"ref": "GB",
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"kind": "ground-port",
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"pins": [
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"P"
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],
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"value": "SENSOR_GND"
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},
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{
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"ref": "C_FILTER",
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"kind": "capacitor",
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"pins": [
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"1",
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"2"
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],
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"value": "C_FILTER\n1 nF initial"
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},
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{
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"ref": "GF",
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"kind": "ground-port",
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"pins": [
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"P"
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],
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"value": "SENSOR_GND"
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},
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{
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"ref": "U",
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"kind": "schmitt-buffer",
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"pins": [
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"IN",
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"OUT"
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],
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"value": "SN74LVC2G17-Q1"
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},
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{
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"ref": "MCU",
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"kind": "port",
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"pins": [
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"P"
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],
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"value": "TIMER_3V3"
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}
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],
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"nets": [
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{
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"name": "TRIG_x",
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"connections": [
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"J.P",
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"R_PULLUP.2",
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"CLAMP.SIG",
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"R_DIV_TOP.1"
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]
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},
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{
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"name": "+12V_SENS",
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"connections": [
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"V.P",
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"R_PULLUP.1"
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]
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},
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{
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"name": "SENSOR_GND",
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"connections": [
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"CLAMP.RET",
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"GC.P",
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"R_DIV_BOTTOM.2",
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"GB.P",
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"C_FILTER.2",
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"GF.P"
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]
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},
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{
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"name": "DIVIDED",
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"connections": [
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"R_DIV_TOP.2",
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"R_DIV_BOTTOM.1",
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"C_FILTER.1",
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"U.IN"
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]
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},
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{
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"name": "TIMER_3V3",
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"connections": [
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"U.OUT",
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"MCU.P"
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]
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}
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],
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"no_connects": []
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}
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