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3 votes
Accepted

deserializeJson() failed: NoMemory when sending Serial json using ArduinoJson

I'm pretty sure you're using ArduinoJson 7 because ArduinoJson 6 would not return NoMemory in such conditions. On 8-bit microcontrollers (such as the Arduino Nano), I recommend using version 6 because ...
Benoit Blanchon's user avatar
2 votes

Problem with reading data from ELM327

ELM has closed down, but as a curtesy have kept their documentation site available. Here's the link to the last version published, V2.3 in 2020 - https://www.elmelectronics.com/DSheets/ELM327DSL.pdf ...
Bruce Gennette's user avatar

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