PZEM-004T-v30
PZEM-004T-v30 copied to clipboard
i use esp32 with hardware serial pin 16 and 17, i read sensor 3s/1time, when i read 10 times, it is miss about 4 times.
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What ESP32 are you using.. WROOM or WROVER.
pins 16/17 are fine for WROOM but cannot be used on WROVER as they are for PSRAM comms