2
votes
6 wire 3 digits 7 segment display and arduino question
yes, that's CharliePlexing, Some kind if multiplexing without IC, As far as I understood it is based on Base3 instead of Base2 for On&Off. It is based on Base3 for High,Low,Disconnected logic
2
votes
Arduino Nano not showing up in /dev
Just had this issue with a Nano 33 IoT , double clicking "Reset" seems to solve it.
When connecting, the Nano "On" LED lights up, but nothing shows in dmesg -w or lsusb. The cable ...
2
votes
Accepted
Software serial and RS485
TL;DR: The statement that "other libraries (and to extend, any other interrupt-driven software, for example your own) can potentially interfere with SoftwareSerial" is correct.
In your ...
1
vote
Missing data when communicating over UART
There are a couple of issues here:
while (Serial0.available() > 0) {
response[index++] = Serial0.read();
timeout = millis() + 1000;
}
First, the variable timeout is updated, but its value is ...
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