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Free wideband controller 4.9LSU

1 week ago 14
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Description

SLC Free 2 utilizes the Bosch LSU 4.9 Wideband O2 Sensor - a cost efficient Wideband O2 sensor providing 0.01 Lambda accuracy, fast response, and rated life of 100,000 km
 
Compatible with all fuel types
 
Lambda Range: 0.68[Lambda] linear to 1.36[Lambda]
 
0.01 Lambda accuracy without the need for any calibration
 
O2 Sensor Temperature Monitor 
 
Did you know that the most common cause of inaccuracies and premature O2 sensor failure is attributed to the O2 sensor temperature being improperly controlled? Only 14Point7 branded Wideband O2 Controllers are able to monitor O2 sensor temperature?
 
Linear output allows easy interfacing with gauges, fuel management systems, and dataloggers
 
Linear Output: 0[v]@0.68[Lambda] linear to 5[v]@1.36[Lambda], 10[AFR] linear to 20[AFR] equivalent for gasoline

 

 

 

Note : sensor requires 12V fused power supply

 

CY8C24423A-24PVXI

programming via header pads, source code modification needed (remove lcd driver and display code)

 

download

https://cdn.shopify.com/s/files/1/0189/1312/files/SLC_Free_2_Source_Files_Jan_12_2020.zip?56

 

 

 

 

Documents

Sheet_1

PCB_SLC_Free_mini wideband controller

BOM

ID Name Designator Footprint Quantity
1 1uF C1,C2,C3 C0805 3
2 10nF C4 C0805 1
3 100nF C6 C0805 1
4 TS-1088-AR02016 CAL SW-SMD_L4.0-W2.9-LS5.0 1
5 CY8C24223A IC3 SSOP28 1
6 LSU49 J1 HDR-M-2.54_1X5 1
7 HDR-M-2.54_1x3 POWER/SIG HDR-M-2.54_1X3 1
8 NCE3050K Q1 TO-252-2_L6.6-W6.1-P4.57-LS9.9-TL-CW 1
9 1K R1,R2,R3,R6,R7,R10,R14 R0805 7
10 120K R4 R0805 1
11 61.9K R5 R0805 1
12 10K R8,R11 R0805 2
13 cypress TP1,TP2,TP3,TP4,TP5 TESTPOINT 5

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