Reading small sensors Good question, Small in this case means small signal or low signal sensors that are hard to read due to noise. Should have wrote it differently.
Monday, 4 November 2019 - 15:56
Reading small sensors ka7ehk wrote:
I am REALLY curious about the subject line on this thread, and what the size of the sensor has to do with anything?
Jim
Jim, I can't solder those tiny...
Reading small sensors Ok ordered one from digigey as well. So far i have not found any datasheet that shows in detail what information is sent over the I2c or specifics on how to request data like a...
Wednesday, 30 October 2019 - 19:15
Reading small sensors gchapman wrote:
ETA 12-Nov'19 at Mouser :
SEN-15219 Pulse Oximeter & Heart Rate Sensor - SparkFun | Mouser
...
The MAX30101 senses the light absorbed with its...
Wednesday, 30 October 2019 - 15:58
Reading small sensors This is a Camtasia 1 frame per second little gif, I was able to send data from the OpenTk game engine to a windows Form
The data is coming from the microcontroller ADC controlled...
Friday, 18 October 2019 - 06:04
Reading small sensors Max30101 Very nice reading material, lots of information on the subject. I do notice they use an 18 bit ADC as well.
I am reminding myself of my little brother when he was...
Friday, 18 October 2019 - 03:06
Reading small sensors variance of Ok went back to drawing board.
ADC input checks out , 1k resistor to 10k pot to ground with .1uf at the voltage divider voltages are stable with an ADC...
Thursday, 17 October 2019 - 05:38
Reading small sensors The document I read said to take the unchanging value and subtract it from the changing values to isolate the data of interest. It also showed typically the changing values are...
Thursday, 17 October 2019 - 03:12
Reading small sensors Question 1 - why 7000 per second? I read how a pulse oximeter works , the sample rate was specified at 1000 per second where three readings were taken
Red led, Uv led and...
Wednesday, 16 October 2019 - 18:24
Need some help with ADC on mega644 I will be sending about 3000 bytes per second
for now I am sending the maximum I think 23,040 bytes (2 bits for stop and start i think)
The data is displayed on the...
Thursday, 10 October 2019 - 17:35
Need some help with ADC on mega644 Hmmm its a uint8_t bytereceived
Initially I ran tests sending from my C# program a byte and transmitting the byte back at 250400 baud
and it had no errors. Perhaps I am missing...
Good question, Small in this case means small signal or low signal sensors that are hard to read due to noise. Should have wrote it differently.
ka7ehk wrote: I am REALLY curious about the subject line on this thread, and what the size of the sensor has to do with anything? Jim Jim, I can't solder those tiny...
Ahh that code will do, thanks for the link.
Ok ordered one from digigey as well. So far i have not found any datasheet that shows in detail what information is sent over the I2c or specifics on how to request data like a...
gchapman wrote: ETA 12-Nov'19 at Mouser : SEN-15219 Pulse Oximeter & Heart Rate Sensor - SparkFun | Mouser ... The MAX30101 senses the light absorbed with its...
This is a Camtasia 1 frame per second little gif, I was able to send data from the OpenTk game engine to a windows Form The data is coming from the microcontroller ADC controlled...
Max30101 Very nice reading material, lots of information on the subject. I do notice they use an 18 bit ADC as well. I am reminding myself of my little brother when he was...
variance of Ok went back to drawing board. ADC input checks out , 1k resistor to 10k pot to ground with .1uf at the voltage divider voltages are stable with an ADC...
The document I read said to take the unchanging value and subtract it from the changing values to isolate the data of interest. It also showed typically the changing values are...
Question 1 - why 7000 per second? I read how a pulse oximeter works , the sample rate was specified at 1000 per second where three readings were taken Red led, Uv led and...
I will be sending about 3000 bytes per second for now I am sending the maximum I think 23,040 bytes (2 bits for stop and start i think) The data is displayed on the...
Hmmm its a uint8_t bytereceived Initially I ran tests sending from my C# program a byte and transmitting the byte back at 250400 baud and it had no errors. Perhaps I am missing...
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