Questions tagged [pins]
"Pins" are like gateways between the Arduino code running on the chip and the components attached to Arduino. It can refer either to the physical connectors on the board, or it can refer to the pins defined in the code.
5 questions from the last 365 days
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What does VRx stand for in the KY-023? [closed]
The x and y axis pins on the KY-023 are labeled VRx and VRy, but I'm curious as to what they stand for, as I couldn't find any official statements about it. I assumed it was "Variable Resistor X/...
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Reassigning GPIOs 6-11 on a 30 pin ESP Wroom 32
I am trying to wire up the ESP 32 based Crunch-E keychain synth (gituhub repo with wiring diagram here).
In my case I am using a 30 pin ESP Wroom 32 board with pinout diagram here.
The Crunch-E wiring ...
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ESP8266 Not Booting Properly on First Power On – Works After Restart
I'm working on an ESP8266-based water level monitoring system using an ultrasonic sensor and an I2C LCD. The problem I'm facing is that sometimes the ESP8266 does not boot properly when powered on for ...
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STM32 PWM on standard GPIO pins
I'm using an STM32F407ZET6 with the Arduino core support in PlatformIO. CPU has an external 8MHz crystal running at 168MHz. I have a project where I'm already using UART1, I2C1, SPI2 and SDIO (1Hz ...
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2
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Using TX as gpio, while using RX as serial pin to read data from other uC - Arduino atmega8
I am having a circuit that I am using the RX pin to receive data (int) from other uC (ESP12E) as one way communication, and for the lack of pins I had to use the TX pin as GPIO for a digit of a seven ...