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Street Sense Schematic-Power Conditioning-V01.pdf
Adobe Portable Document Format -
33.40 kB -
09/13/2019 at 15:05
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Street Sense Schematic-CPU Module-V01.pdf
Adobe Portable Document Format -
70.13 kB -
09/09/2019 at 18:43
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Street Sense Schematic-Spec Sensor Module-V01.pdf
Adobe Portable Document Format -
44.90 kB -
08/01/2019 at 14:39
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Street Sense Schematic-V08.pdf
Version 8 of Street Sense air and noise pollution sensor unit
- added separate analog supply
- reading ADC using ADC ~DRDY signal and uPy interrupt
Adobe Portable Document Format -
74.90 kB -
05/14/2019 at 16:16
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Street Sense Schematic-V07.pdf
Adobe Portable Document Format -
69.76 kB -
03/25/2019 at 16:52
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Street Sense Schematic-V05.pdf
Version 5 of Street Sense air and noise pollution unit
- new ADS1219 ADC
Adobe Portable Document Format -
67.74 kB -
03/18/2019 at 16:37
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Street Sense Schematic-V04.pdf
Version 4 of Street Sense air and noise pollution unit
3 changes to reduce noise created by boost converter
- added high side MOSFET switch
- added Schottky diode to USB/Battery select cct
- added capacitor to input of boost converter
Adobe Portable Document Format -
64.26 kB -
03/14/2019 at 23:08
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Street Sense Schematic-V03.pdf
Version 3 of Street Sense air and noise pollution unit
Adobe Portable Document Format -
60.52 kB -
02/13/2019 at 22:21
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traffic_and_wind.wav
10 second audio clip. Testing I2S microphone with new MicroPython I2S module. Sample rate used is 10k samples/second. Wind noise can be heard.
Waveform Audio File Format (WAV) -
195.04 kB -
11/06/2018 at 01:09
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ambulance.wav
10 second audio clip. Testing I2S microphone with new MicroPython I2S module. Sample rate used is 10k samples/second. A passing ambulance can be heard.
Waveform Audio File Format (WAV) -
195.04 kB -
11/06/2018 at 01:09
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Mike Teachman