why do you have RX from Uno on voltage divider? you need to reduce the voltage of transmit from Uno.
swap wires of RX/TX on Uno side, because you have TX to TX and RX to RX connected between uno and esp
why do you have RX from Uno on voltage divider? you need to reduce the voltage of transmit from Uno.
swap wires of RX/TX on Uno side, because you have TX to TX and RX to RX connected between uno and esp