To be honest, I'm not sure what MUX_E1 is supposed to do. There is no need to disable all the CS signals, only to enable the one being used before the clocking starts.
Generally thermocouple is a relative temperature measurement with respect to cold junction temperature. To get the correct temperature of the thermocouple point you need to ADD ambient temperature.Your code works but still I have to subtract ambient temperature reading from MAX31855 (TCx) readings to get correct readings
Which part? I'm only aware of MRAM (magnetoresitive nonvolatile RAM) manufactured by Everspin.we had selected EverSpin SPI NAND Flash
Yes, there's no part number reference. Some ESP8266 dev-boards are referencing FM25Q32 and FM25Q16 (industry standard QSPI NOR flash).I couldn't find the part number of the SPI Flash chip used in WROOM-02
We are using ESP8266EX and it can operate at +125 deg C but it was difficult to find SPI Flash chips which operate at +125 deg C
There is no simple answer to this.I have no experience with using/designing battery management IC circuits and boost regulators.
The datasheet doesn't provide information whether this can operate at +125 deg C
"The LTC4059E/LTC4059AE are guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the –40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls."
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