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Very old AVR Dragon found while cleaning up my old box of microcontroller stuff
Interesting, I set it to HVSP and it Reads fuses and device information I get a box that complains about 5V when I close it it does everything though Flashed 40 bytes from a elf...
Wednesday, 21 October 2020 - 06:22
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...
Wednesday, 30 October 2019 - 20:07
Reading small sensors
Ahh that code will do, thanks for the link.
Wednesday, 30 October 2019 - 20:03
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