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new 600Mhz Teensy 4.0 blows away everything on performance

NeverDie Hero Member last edited by NeverDie

This chart tells the tale:

What to do with all that speed? Become a software defined radio, maybe? Or perhaps run the entire development toolchain on the device itself?
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alowhum Plugin Developer last edited by

Machine learning?
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mfalkvidd Mod last edited by @alowhum

@alowhum good point. Maybe not learning, but inference could be very useful.
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@DenisJ yes I will take them , please send me your email so we can arrange this
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@Nca78 said in Pir AS 312 with 2 rechargeable AAA battery. Boost needed?: Pretty annoying Thanks you very much.
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@halipte Yes, you are right. The AM312 is different from the AS312 which I use. see: AM312 Datasheet and AS312 Datasheet But both are looking similar. No additional parts are required. For the HC-SR501 PIR there are a lot of additional parts on the module PCB. So at the end I prefer the AS312 to keep my PIR sensor device small and simple.
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I realize this topic is old, but not sure if it was ever resolved. I'm trying out one of these boards at the moment, this was the only topic I seen about the board and I encountered the same issues as above. This is how I got it to communicate in the end and I thought I'd leave it here in case anyone else is looking at the same. #define MY_RADIO_RFM95 #define MY_RFM95_RST_PIN 4 #define MY_RFM95_CS_PIN 8 #define MY_RFM95_IRQ_PIN 7 #define MY_RFM95_IRQ_NUM digitalPinToInterrupt(7) #define MY_RFM95_MODEM_CONFIGRUATION RFM95_BW125CR45SF128 #define MY_RFM95_FREQUENCY (RFM95_868MHZ) Soft SPI isn't necessary, but the only issue in the code above was the missing digitalPinToInterrupt. #define MY_RFM95_IRQ_NUM digitalPinToInterrupt(7) I presume the following should work also: #define MY_RFM95_IRQ_NUM digitalPinToInterrupt(MY_RFM95_IRQ_PIN)
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@scalz Hi, i know its been long time but stil l!!! Can u please explain how it got resolved?
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@workshopninja Yes, this is basically what I did with an Arduino MKR1000 WIFI some years ago. There are some #defines for the EEPROM in the code. But for me it worked out of the box with a 24LC32P. See also in the MyS lib code: hal/architecture/SAMD/MyHwSAMD.h#L47 But in the end I switched to the ESP8266 because it also has WiFi and is much cheaper. The support for external libraries is also much better than with the SAMD.
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Well, it could be that the issue is the voltage regulator on the Arduino board. The higher the input voltage, the more power/heat that needs to be burnt at the voltage regulator. Maybe it's self-limiting because it's getting too hot? The Arduino website lists this part as the voltage regulator: https://www.mouser.com/datasheet/2/146/SPX1117-1889129.pdf On page 6 it claims a thermal resistance to ambient of 46 degrees/W. If you're using 1A and have 12V input then you're dropping 7W across the regulator. This is a temp rise at the junction of 322 degrees over ambient, which it obviously won't do. The datasheet also says that it's internally regulated and will current limit at 155C. Assuming 25C ambient, this only leaves a margin of ~2.8W that can be dropped over the regulator. So you'd have problems with any more than around 400mA. To have a safety margin, I wouldn't plan on more than 300mA or so, or maybe even down more towards 200. This voltage regulator is a nice, low dropout one, so if you could power it from a supply that gave it 6 or 7V instead of the 12 that would give you a ton more thermal margin and the regulator could then allow a lot more current through.
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@virtualmkr Oh, man. Here in Italy too, AFAIK. So, it would be a good idea to add it? Is it really just a coiled copper wire that I can do myself? Also, is the knob to calibrate the frequency?

new 600Mhz Teensy 4.0 blows away everything on performance

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new 600Mhz Teensy 4.0 blows away *everything* on performance

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new 600Mhz Teensy 4.0 blows away everything on performance

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