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by smartinick
Sun Nov 04, 2018 10:04 am
Forum: General Discussion
Topic: Half-Duplex uart over single gpio pin - problems....
Replies: 3
Views: 8704

Half-Duplex uart over single gpio pin - problems....

Hi community! i have connected uart2 of my esp32 to a device running a "uart-bus" over just one wire. programming in Arduino/PlattformIO i've used uart2 via Hardwareserial which uses esp32-hal-uart from arduino-esp32 sdk. using two gpio pins (apparently one for rx, one for tx... :D) works fine, as l...