OngoingWideband O2 Controller
STDWideband O2 Controller
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License
：GPL 3.0
Creation time:2020-08-04 09:40:44Update time:2024-08-07 21:03:34
Description
Wideband O2 sensor controller for Bosch LSU sensors.
- Lambda measurement range 0.67 to ∞ (air)
- 0 to 5V true analogue output (Effective 12.1 to 18.1 AFR, petrol)
- Sensor warm-up phase as specified by Bosch
- PID heater control
- 7-segment display
- Heater cut-out in case of error
Documentation is at wiki.joeblogs.uk
Design Drawing
schematic diagram（1 / 3）
Preview
MCU & InterfaceOpen in Editor
PCB
Preview
CJ125 Wideband O2 PCB v1.1Open in Editor
BOM
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 220uF | C16 | CAP-SMD_BD6.3-L6.6-W6.6-FD | 1 |
| 2 | 301 | R20 | R0603 | 1 |
| 3 | 61.9 | R21 | R0603 | 1 |
| 4 | 100K | R22 | R0603 | 1 |
| 5 | 470K | R23 | R0603 | 1 |
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