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Completed
STD Speed Sensor
License: GPL 3.0
Mode: Editors' pick
- 1
Update time：
2024-02-09 12:52:46
Creation time：
2022-04-24 19:00:59
Description
The signal from the ABS sensor is used as an input and output is fed to the car's speedometer.
Input:
AC voltage from the inductive ABS sensor. Threshold voltage 0.7 volts. The internal comparator of controler is use to threshold signals.
Output:
Pulse voltage 0-Vdd with calculated frequence ratio.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | Contributor | |
|---|---|---|---|---|---|---|
| 1 | 1uF | C1,C2 | C0805 | 2 | 0805X105K500 | |
| 2 | 10nF | C3 | C0603 | 1 | CL10F104ZB8NNNC | |
| 3 | 100nF | C4,C5 | C0603 | 2 | CL10F104ZB8NNNC | |
| 4 | SS14 | D1 | SMA_L4.3-W2.7-LS5.1-RD | 1 | SS14(1N5819)-SMA | |
| 5 | BAV99 | D2 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 1 | BAV99-TP | |
| 6 | 12v | J1 | HDR-M-2.54_1X1 | 1 | HDR-M-2.54_1x1 | |
| 7 | Out | J2 | HDR-M-2.54_1X1 | 1 | HDR-M-2.54_1x1 | |
| 8 | In~ | J3,J5 | HDR-M-2.54_1X1 | 2 | HDR-M-2.54_1x1 | |
| 9 | Gnd | J4 | HDR-M-2.54_1X1 | 1 | HDR-M-2.54_1x1 | |
| 10 | LED RED! | LED1 | LED0603_RED | 1 | LED-0603_R | |
| 11 | 2N7002 | Q1 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 1 | 2N7002 | Yes |
| 12 | 470 | R1,R9 | R0603 | 2 | R_0603_EU | |
| 13 | 10k | R2,R5,R7 | R0603 | 3 | R_0603_EU | |
| 14 | 47 | R3,R8 | R0603 | 2 | R_0603_EU | |
| 15 | 2k2 | R4,R6 | R0603 | 2 | R_0603_EU | |
| 16 | AT78L05 | U1 | SOT-89-3_L4.5-W2.5-P1.50-LS4.0-BR | 1 | AT78L05SQ-N | |
| 17 | PIC12F629-I/P | U2 | DIP-8_L10.1-W6.3-P2.54-LS7.6-BL | 1 | PIC12F629-I/P |
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