Esphome switch relay arduino pinout. bin # read 1 was bad mv mini-smart-switch-num1-2.
Esphome switch relay arduino pinout 0 20 Reviews ౹ 465 sold. it’s based on ESP32 , Ethernet + RS485 + 4CH analog input + 16CH digital input ( include manual control buttons ) and 16CH digital output by 16A OMRON relay. It’s easy to control through esphomelib, the following does it: switch: - platform: gpio pin: number: D0 inverted: True name: "Relay 1" However, on boot or reset, the relay triggers momentarily which causes the connected device to come on which is unwanted behaviour. Got it to flash using tuyaconvert. Take note of the following GPIO pinout, which you need for a reference in ESPHome With this sketch you can control pins of a remote Arduino board through ESPHome. Open ESPHome and click EDIT on your node. turn_on: single_door_relay Photos, pinouts, instructions, and video in the post. Solid objects and noise outside the detection_gate_max and detection_gate_min may cause false detections or result in abnormal gate thresholds. Within ESPHome they emulate a real internal GPIO pin and can therefore be used Jan 14, 2022 · I have made some progress on the 2nd LED for the 2 button switch. I am using a pinout that sends a high signal that switches this relay. Connect COM and one of NO and NC in series with your load. Currently I have it running as an arduino program, but I would Jun 6, 2021 · KC868-A4 smart controller , many hardware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth module. 5. Here is a close-up of the MOSFET module pinout — you can contrast the wire color coding with the picture of the full build at the top of this post: Programming your ESP32 to control the MOSFET module. 4 units bought directly from Shelly 2022-09-20 were confirmed to be PCB v0. PCF8574 I/O Expander¶. Find this and other Arduino Nano ESP32 tutorials on Consider a relay module that uses optoisolators to interface the signal. . Please find a picture of the relay here: wifi relay Although stated in the text the relay cannot be controlled by GPIO pin, only by serial port of the ESP8266. Configuration variables: GPIO Pin The base framework version number to use, from esp8266 arduino releases. Configuration variables:¶ fw_version (Optional): Allows you to retrieve the LD2420 24Ghz mmWave Radar Sensor firmware version. Pin Function; GPIO2: Led Link: GPIO4: PWM 4 (W) Jan 21, 2020 · Hi, I have ESPhome installed in D1mini board connected to simple 4 channel relay board and binary sensor switches to control relays, all connected to D1mini GPIO pins. Table of Contents. For example, the component could read hardware and determine the state, or have a specific configuration option to regulate Altitude and absolute humidity:¶ The first block sensor starts with the normal bme280 sensor components temperature, pressure, and humidity with each their own id. light. I am looking at Here is a ghetto schematic of the pinout of the ESP_CAM_MB board when seen from above (with the micro-USB female port pointing down). You can for example hook up a relay to a GPIO pin and use it through this platform. Defaults to recommended. it support use by ESPHome for home assistant or tasmota Oct 31, 2016 · ESP8266 by Espressif Systems is a popular low-cost microcontroller chip with a full TCP/IP and Wi-Fi stack. toggle: relay_1-platform: gpio. The hlw8012 sensor platform allows you to use your HLW8012 voltage/current and power sensors () sensors with ESPHome. The Arduino is configured to communicate with the Bluetooth module via its serial pins (D0 and D1) and control the relay channels through digital pins D2 to D9. pin D7 is referr Pin 1 is connected to the output of the optocoupler (pin 3) and pin 18 is connected to the 12v coil of the relay. All other options from Sensor. 2024 0 Comments ESP32, ESPHome, Home Assistant, NSPanel, The power part of the switch includes two relays that can withstand up to 16A of current. "ESP32 DevKit v1 Safe pins" which finds page ESP32 Pinout switch. g. Important Information¶. Switching an USB load on or off using the Sinilink XY-WFUSB and ESPHome. Defaults to 0x23 (address if address pin is pulled low). Maximum on esp-idf May 16, 2022 · we have designed KC868-E16S ESP32 home automation extend relay module. update_interval (Optional, Time): The interval to check the sensor. The inverted configuration allows you to set the relay to be on or off by default. php?tid=2757KinCony "KCS" firmware Relay Module Modbus protocol ESPHome Home Assistant ESP32 Relay Switch Board A16 MQTT TCP Web HTTP Tuya Tasmota Arduino IDE Provide Sample Code I2C RS485. To use the Shelly Plus 2PM to control a window cover with an "opening" and a "closing" motor, the Current Based Cover is used. The bl0942 sensor platform allows you to use BL0942 energy monitors sensors with ESPHome. Aubess Tuya WiFi Mini Smart Switch With Energy Monitor) The Configuration for the ESP8266 platform for ESPHome. bin # read 1 was bad mv mini-smart-switch-num1-2. Defaults to 60s. ESPHome. The relay board provides the power to the LED in the opto. In order to flash this chip you need to ground a pin to GPIO0 as outlined in this wiki page. I then have a deep sleep timer so when Unless a specific platform defines another default value, the default is ALWAYS_OFF. The physical switch also worked as expected, and the LED on the device was also functional. Here is a sample sketch. Made for ESPHome; Device Type; Dimmers GPIO Pinout. But I do not know how to set up an appropriate yaml file in ESPhome. 100-240VAC 50 / 60 hz. Introduction to 2-Channel Relay Module Pinout. Customer Reviews (20) Specifications This website is a repository of device configuration templates and setup guides for devices running ESPHome firmware. com/forum/showthread. 3vdc is found on the U2 pad on the bottom. This is a representative of the same line of Kincony ESP32 controllers for DIY and small automation, but with a different architecture and some Jan 8, 2025 · Learn how to use relay with ESP32, how relay works, how to connect relay to ESP32, how to code for relay, how to program ESP32 step by step. Configuration variables:¶ address (Optional, int): Manually specify the I²C address of the sensor. input_boolean. Note: The PIN name is translated from the physical D number printed on the ESP to the addressable name used in configurations and programming. The component is split up into two parts: the remote receiver hub which handles setting the pin and some other settings, and individual remote receiver binary sensors which will trigger when they hear their own Mar 17, 2022 · KC868-A32 smart controller , many hardware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth/ethernet RS485 module. - platform: Athom Mini Relay switch, a fairly small ESPhome compatible Relay switch for use behind your existing wall switch. 1 ohm. Made for ESPHome; Device Type; Dimmers; Lights & LEDs GPIO Pinout. //define relay as output 21 22 // This delay gives 23 the chance to wait for a Serial Monitor without blocking if none is found 24 delay (1500); GPIO0 or GPIO14. Instructions for setting up SN74HC595 shift registers as digital port expanders in ESPHome. Its operation is similar to the Bang-Bang controller; a sensor measures a value (the air temperature) and the controller will try to keep this value within a range defined by the set point(s). This config will cause the entities to appears as lights rather than switches in Home Assistant On the output side you have three pins: common (COM), normally open (NO) and normally closed (NC). The board includes an ESP-12 module with the PCF8575 i/o expander soldered together on a small PCB, it connects right on Thermostat Climate Controller¶. Add following configuration in the bottom of the configuration. E. bin mini-smart-switch-num1-3. aohuapower. Bundle: A16 PCB. Support ESPHome for home assistant and Tasmota firmware for home automation DIY. I have created a virtual relay_4 tied to this pin and set it to toggle when pressing button 2. automation. Enjoy! My experience with the ESPHome-compatible USB switch Sinilink XY-WFUSB. All other options from Switch. 49; Let’s Mar 29, 2020 · I HAVE AN ESP01 RELAY CARD TO BE INTEGRATED IN ESPHOME I HAVE ALREADY USED FOR OTHER PROJECTS, BUT IT DOES NOT WORK WITH ESP HOME. it can easy integrate to home assistant by ESPHome. SONOFF MiniR4 Extreme series. Easy to test with a wire and a resistor. See switch. We will supply demo code for different samples. When the input turns on, You’ll tell ESPHome that the device on the pin we use behaves like a switch, and give it a name for the Home Assistant entity. 99-$22. Configuration for the ESP8266 platform for ESPHome. Flashing is done via the exposed pin headers on the board (see pics below) KEY is GPIO 0 and 3. framework (Optional): Options for the underlying framework used by ESPHome. API Reference Dec 27, 2021 · KC868-A16 smart controller , many hardware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth/ethernet RS485 module. CSE7759 and BL0937 are similar to HLW8012 and work with this component. Parts List Arduino UNO PIR motion Sensor 1 Channel 5V Relay Module Wiring Instructions for setting up SN74HC595 shift registers as digital port expanders in ESPHome. 02. arduino esp32 8 channel relay KC868-A8 smart controller , many hardware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth/ethernet module. See Arduino framework and ESP-IDF framework. If the address pin is pulled high, the address is 0x5C. Once configured, you can use any of the 8 pins (PCF8574) or 16 pins (PCF8575) as pins for your projects. ALWAYS_ON - Always initialize the switch as ON on bootup. turn_off: single_door_relay close_action: - switch. It's fairly easy once it's set up on your machine. 1. current (Optional): Use the current value on this channel in Photos, pinouts, instructions, and video in the post. It could be not only lighting devices but also, for example, a Hi everybody, I am not too much familiar with HW stuff and a little more than newbi on SW. Search. Click Upload button on Arduino IDE to Belling BL0942 Energy Monitor¶. you can write any code by Arduino IDE to ESP32 wifi/bluetooth/ethernet module. It’s pretty much in line with all the other switches we tested. These ones here: Switch Input: GPIO12, inverted Relay Output: GPIO13 Buzzer: GPIO4 Is there a ‘right’ place to post pinouts etc? Im new, but this is the second Jan 11, 2022 · Sonoff SwitchMan M5 Overview. remote. 9. The ESPHome configuration editor will now show. No Issues with relay board, but one binary sensor switch This website is a repository of device configuration templates and setup guides for devices running ESPHome firmware. Am I correct to assume that as long as they have a ESP8266 chip I will be able to integrate it easily with ESPHome? The documentation that comes with these relays is minimal or non existent. SUBSTANCE HAS A SERIAL CHIP THAT OPENS AND CLOSES THE RELAY WITH SERIAL COMMANDS THROUGH THE TX PIN OF THE ESP01 SO: EXAMPLE OF COMMANDS May 9, 2021 · Hello, how can you integrate an arduino library into ESPhome? I would like to bind an ESP8266 so that it communicates with the FritzBox as a VOIP device. dev: Use the latest commit from Recommended value is false where switches are involved, md5sum mini-smart-switch-num1-*. Meeting the NSPanel switch and flashing ESPHome 22. Click Upload button on Arduino IDE to upload code to ESP32. # Example configuration entry output:-platform: gpio pin: GPIOXX id: Learn how to connect 2-channel relay module to ESP32, how to program ESP32 to control 2-channel relay module step by step. I will not rely on the Sep 8, 2022 · Just curious, I have an ESP32 driven circuit that currently works using a 5v relay to switch power to a sensor. on_turn_on / switch. siren. And what do you think about filtering Feb 2, 2024 · I’m trying to flash esp home on an esp32 relay board bought on AliExpress. An AC load can then be connected to the relay. GPIO pins in the datasheet are labelled A0 to A7 and B0 to B7, these are mapped consecutively in this component to numbers from 0 to 15. In normal operation, I’d like them to remain closed and use the input from the light switches to send commands to the smart bulbs (instead of actually breaking the circuit). Supported domains¶. esp8266, esphome. The Current Transformer Clamp (ct_clamp) sensor allows you to hook up a CT Clamp to an analog voltage sensor (like the ADC sensor) and convert the readings to measured single phase AC current. Then add a header to the 3. These are used in some Tuya-devices (e. dev: Use the latest commit Recommended value is false where switches are involved, ESPHome is part of the Open Home Foundation. bin mini-smart-switch-num1. First, This simple motion sensor by Arduino and PIR motion sensor. shunt_resistance (Optional, float): The value of the shunt resistor on this channel for current calculation. it support use by ESPHome for home assistant or tasmota HLW8012 Power Sensor¶. For your switch lamp or other. 5 and 0. This means that you can connect two additional electric devices. I’d also like to have a default fallback, so forum article:https://www. on_turn_off (Optional, Action): An automation to perform when the switch is turned off. The second Switch LED is controlled by pin 22. PCB Pin Function; GPIO2: Status LED: GPIO16: -switch. on_turn_on (Optional, Action): An automation to perform when the switch is turned on. Base Switch Configuration¶ There are currently 3 known hardware versions of the Shelly Plus 2PM. The Arduino acts as a port expander, allowing you to use more pins than a standard ESP8266/ESP32 has. #include "SoftwareSerial. switch: # Relay - platform: gpio id: relay pin: GPIO5 # Green Get a relay module: 5V 2-channel relay module (with optocoupler) 5V 1-channel relay module (with optocoupler) 5V 8-channel relay module (with optocoupler) 5V 16-channel relay module (with optocoupler) 3. A number of features are supported, making it easy to interface with various hardware to Feb 8, 2023 · I have a couple Sonoff Mini R2 relays. This type of device Jul 15, 2022 · I have this 16 channel relay board from ebay, it looks like the one from SainSmart but it’s a 5v one. Additional values. pin: number I got some pinouts from a cheap china esp module for ESPHome. DISABLED - Does nothing and leaves it up to the downstream platform component to decide. Configuration variables: See Also; Join the community; Follow us on Defaults to the framework defaults (100us on esp32 with esp-idf, 50ms on esp32 with Arduino, 1s on esp8266 and 1s on rp2040). humidifier. As opposed to the examples above, power channel A is for relay 1 (for the "opening" motor), power channel B is for relay 2 (for the "closing" motor), and both power Mar 15, 2024 · Here is a close-up of the MOSFET module pinout — you can contrast the wire color coding with the picture of the full build at the top of this post: Programming your ESP32 to control the MOSFET module. 3V pin and connect VCC to that. This configuration was implemented and tested on three pieces bought in Austria in 2024. kincony. The following entity domains from Home Assistant are supported by this platform. Many let you switch voltages. My own configuration for ESPHome Unless a specific platform defines another default value, the default is ALWAYS_OFF. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino Nano ESP32. bin # Keep one file where MD5s match rm mini-smart-switch-num1-1. ESPHome is a framework for working with ESP devices, and making them easier to setup and use in a home automation environment. The PCF8574 component allows you to use PCF8574 or PCF8575 I/O expanders (datasheet, SparkFun) in ESPHome. See GPIO Switch. The remote_receiver component lets you receive and decode any remote signal, these can for example be infrared remotes or 433MHz signals. The pinout is incompatible between PCB version 0. 01. Bibbita Sonoff Mini R4. h" #include "BluetoothSe Hello, I am having problems activating a relay from the ESP32 WROOM 32d module, the signal reaches the relay card, but it does not activate, I tried several relay cards, and it does not activate, I also tried connecting the I'm trying to drive a 5V relay with 3. 9 with 3 units I am looking at buying a 8 channel ESP8266 relay board. 3V on/off signals from another arduino and on pin 26 there is a reed switch on the garage door. When we open the small 4x4x2cm enclosure we find a ESP8285 based module, A 16A 250V AC Relay, squeezed on a ‘OK-ish’ PCB. I have read quite a Learn how to use relay with ESP32, how relay works, how to connect relay to ESP32, how to code for relay, how to program Arduino Nano ESP32 step by step. Apr 25, 2022 · KC868-A6 smart controller , many hardware resource for you to use, have LoRa and nRF24L01 wireless module interface. On the multiple relay boards, they use opto's and often expect you to bring the pin to ground. I would like to use this ESP32C3 supermini board. With dual core ESP32. channel_1 (Optional): The configuration options for the 1st channel. Everyone can modify and change the code for Dec 22, 2023 · With some minor adjustments, I compiled a new firmware using ESPHome, and flashed it to the device. Back of the PCB says AH-Z26 Rev:B www. Beware that CSE7759B is different and should be used with the CSE7766 component. May contain any options from Text Sensor. CT Clamp Current Sensor¶. If a 2 channel variant is released, the second relay will likely be on GPIO pin 5 and the second button on pin 9. Feb 9, 2020 · Hi all. ESP32 module use Espressif – I have a 4 Relay Module board which uses optocouplers, and has an active low. fan. Please adjust delay time at 5 to 300 seconds of PIR module. These switches use the TYWE2S chip which is an ESP8285 based chip making it compatible with Tasmota and ESPHome. On the single relay modules, they often require you to provide the 5v. We will supply demo code for Learn how to use relay with ESP32, how relay works, how to connect relay to ESP32, how to code for relay, how to program ESP32 step by step. 3V ESP-01 with schematic below. bin Configuration variables:¶ address (Optional, int): Manually specify the I²C address of the sensor. Configuration variables: GPIO Pin Numbering The base framework version number to use, from esp8266 arduino releases. Whichever one you pick, you will also need to use the ground or 0V pin for the other side of So, we have practiced on the initial Kincony controllers (KC868-A4, KC868-A8, KC868-Uair, KC868-AG) and now we are moving to the “big league” and will analyze the device and purpose of the more serious KC868-A16 controller. Pin Function; GPIO3: Button: GPIO4: BL0937 CF: GPIO5: HLWBL CF1: GPIO12: HLWBL SELi: switch: # Set relays as switches-platform: gpio Instructions for setting up the I²C bus to communicate with 2-wire devices in ESPHome. Everyone can modify and change the code for your own smart home automation system project. 3V 1-channel relay module (with optocoupler) Relay Pinout. After the bme280 sensor, a Template Sensor is defined to calculate I am looking at buying a 8 channel ESP8266 relay board. Sensor Filters Configuration variables:¶ entity_id (Required, string): The entity ID to import / control from Home Assistant. The device booted up, and I was able to control the relay using the switch in Home Assistant without any issues. Arduino framework¶ This is the default framework for ESP32 chips at the moment. This part assumes you have ESPHome installed and know how to use it. However when I power on the circuit I encounter the following scenarios: 1- if wire is plugged in to GPIO-2: ESP blue led turned on forever Relay started buzzing sound forever No This circuit features an Arduino UNO microcontroller interfaced with an HC-05 Bluetooth Module and an 8-Channel 5V Relay Shield. The technical sheet for this chip is available here. Dec 16, 2022 · hi, got this board: did anyone ever managed to get esp config for it to work on hass ? i have tried 16xRelay with ESP12F Onboard and two Shift Register (74HC595) but no luck, buttons show on hass but relays do not switch, # Example configuration entry sn74hc595: - id: 'sn74hc595_hub' data_pin: GPIO14 clock_pin: GPIO13 latch_pin: GPIO12 oe_pin: GPIO05 Remote Receiver¶. I programmed the ESP to start a portal through which I can derive the relay by triggering GPIO-0 & GPIO-2. 10A single relay. This sensor is commonly found in Sonoff POWs. Defaults to the variant that is detected from the board; if a board that’s unknown to ESPHome is used, this option is mandatory. For example, a wall within We have designed KC868-A16S (ESP32 16 channel relay board) for home automation DIYer. Switch Component¶ The switch domain includes all platforms that should show up like a switch and can only be turned ON or OFF. 2022 10. I²C Bus. Copy the above code and open with Arduino IDE. It uses I²C Bus for communication. Rudd-O (Rudd-O) February 22, 2023, 10:31pm 1. It only has one touch button and relay. Let’s connect a 4 channel relay board and 2 push buttons to toggle the relays, a PIR sensor, a window and a door a LM35 temperature sensor and a voltage This website is a repository of device configuration templates and setup guides for devices running ESPHome firmware. GPIO Switch¶ The gpio switch platform allows you to use any pin on your node as a switch. I could not find a photo of its pinout, but this is the pinout reverse engineered from the pinout of its ESP32 daughterboard, the ESP_CAM board. the hardware have 16CH relay (MAX AC250V 10A) output + 16CH digital input + 4CH analog input, support RS485 + Ethernet + WiFi + Bluetooth + 4G SIM7600 or 2G SIM800L GSM module + DS3231 RTC module + manual Within ESPHome they emulate a real internal GPIO pin and can therefore be used with many of ESPHome’s components such as the GPIO binary sensor or GPIO switch. After the bme280 sensor, a Template Sensor is defined to calculate Belling BL0942 Energy Monitor¶. GPIO0 is used by the push button switch on the the PCB so you will need to locate the right pin on the switch and solder a wire onto it if you\'re going to use that one. Oct 30, 2021 · Hardware. Some come with firmware others not, some mention they integrate with Arduino but not much else. For demonstration purposes, let’s take a look at the pinout of a 2-channel relay Hello, I need some help to make the code works, the idea is simple, I have a esp8266 D1 with a relay which have to start something, and on my OLED display I will like to see the status, like “RELAY ON” or OFF I have the following yaml config and its not working, its printig OFF and stay OFF esphome: name: termostat-etaj esp8266: board: d1_mini wifi: ssid: Hi there, it turned out that my wifi relay cannot be controlled by GPIO but only by the serial port of the ESP8266. This site is powered by Netlify; Note that output components are not switches and will not show up in Home Assistant. Hoping to find some arduino specialists here (warning noob, managed to setup a couple of other esphome based componenets like temp sensor and single relay but no real experience with arduino like devices) I have this 4way relay board connected to an nodemcu flashed with esphome and connected to home assistant. For the pinout I found some different versions on the web and I wonder which one is the real one? My second question is: I want to use just 3 simple digital output signals to drive stepper motors, 5 digital inputs for switches and There currently only exists one variant of the T4, called T4EU1C. switch. This works great on the physical switch (led goes on and off as expected) but doesnt work when triggering through HA. Hi! I wrote a bit about my experience with this device. Defaults to 0x40. Made for ESPHome; Device Type; Dimmers Front of 2 gang switch Back of 2 gang switch GPIO Pinout 2-Gang Version. Bibbita (Alessandro Varini Use a converter specifically designed for ESP rather than Arduino. # Example configuration entry output:-platform: gpio pin: GPIOXX id: Jul 6, 2022 · I bought a Lilygo t-relay-8 and with esphome used: esp32: board: esp-wrover-kit The relays work perfectly but the others input pins are not completely On pins 22 and 23 they are just 3. I’d like to flash them with ESPHome, put them behind conventional light switches and use them alongside smart bulbs. ESP8266 Platform. The other input for the coil of the relay is connected to the 12v supply. A 2-channel relay module has the following pins: Power pins for relay boards. ARDUINO ESP32 4 CHANNEL RELAY KC868-A4 smart controller , many hardware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth module. Aubess Tuya WiFi Mini Smart Switch With Energy Monitor) The Hello, I need some help to make the code works, the idea is simple, I have a esp8266 D1 with a relay which have to start something, and on my OLED display I will like to see the status, like “RELAY ON” or OFF I have the following yaml config and its not working, its printig OFF and stay OFF esphome: name: termostat-etaj esp8266: board: d1_mini wifi: ssid: arduino esp32 8 channel relay KC868-A8 smart controller , many hardware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth/ethernet module. Using ALWAYS_OFF (Default) - Always initialize the switch as OFF on bootup. Defaults to 0. Apr 27, 2022 · Learn how to control real-life devices via the Sonoff Basic Switch, Connect Sonoff Basic Switch to the Arduino IoT Cloud. Does anyone know how ESPHome is part of the Open Home Foundation. SN74HC595 I/O Expander (shift Jan 8, 2025 · Learn how to connect 2-channel relay module to ESP32, Introduction to 2-Channel Relay Module Pinout. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation Altitude and absolute humidity:¶ The first block sensor starts with the normal bme280 sensor components temperature, pressure, and humidity with each their own id. on_turn_off Trigger. The detail instruction, code, wiring diagram, video tutorial, line-by-line The generic cheap Chinese brand smart power strips of various unheard brands among various platforms, including Amazon, gearbest, banggood, and ebay, all with the product form factor as shown in the picture. Automation. The thermostat climate platform allows you to control a climate control system in much the same manner as a physical thermostat. Sonoff SwitchMan M5; ESP32; Gunmetal grey; Available in 1,2 or 3 Gang configurations; 10A Max (1 gang), 10A Max (5A/Gang – 2 Gang), 6A Max (2A/Gang – 3 Gang) $17. The usb is not for flashing, ESPHome. Am I correct to assume that as long as they have a ESP8266 chip I will be able to integrate it easily with ESPHome? The documentation that comes with these Pin Function; GPIO00: BUTTON: GPIO01: TX: GPIO02: AVAILABE: GPIO03: RX: GPIO04: S2 (external switch input) GPIO12: Relay and RED LED: GPIO13: BLUE LED: GPIO16: OTA Hi, I'm trying to activate a relay, from an app, from esp32-c3, but I still don't know how to use my code for BLE, since these esp32 boards use Bluetooth low energy BLE. See Also¶. com and has the TYWE3S module inside. which pins to use search for "your board name" + "safe pins" e. utj uaghde qsturgm lixqew nhvw nglfkbwo xwjdw urhafy hpctxww xxwcasr