ds18b20: 1Wire temperature sensor, B4R pin variable
ds18b20: 1Wire temperature sensor, B4R pin variable
@peacemaker · 2025-08-06
INA3221: triple ampermeter & voltmeter
INA3221 can help with measuring up to 3 points: current and voltage.
@peacemaker · 2025-08-05
esp32 OLED display: Adafruit_SSD1306 library
esp32 OLED display: Adafruit_SSD1306 library
@peacemaker · 2025-08-04
ESP32-RMT-puls B4R Library [Pre-release]
This is a B4R library for generating TX pulse signals using the RMT module of the ESP32.
@tonigau · 2025-08-04
esp32 RS485 bus: ModBus RTU module via Serial2: Slave + Master, pins settings
esp32 RS485 bus: ModBus RTU module via Serial2: Slave + Master, pins settings
@peacemaker · 2025-07-28
raWOT
I was looking for a web server working with B4R and i found a good candidate with aWOT library for arduino.
@candide · 2025-07-22
LED lighting PWM control
LED lighting PWM control
@peacemaker · 2025-07-11
rBit32.b4xlib: 32-bit bitwise operations library for Ulong type
rBit32.b4xlib: 32-bit bitwise operations library for Ulong type
@peacemaker · 2025-07-11
Button processing class: press, short click, long click, periodic event
Button processing class: press, short click, long click, periodic event
@peacemaker · 2025-07-08
DeepSleep until wake up by timer or button [ESP32]
DeepSleep until wake up by timer or button [ESP32]
@peacemaker · 2025-07-07
rHttpUtils2 - Http Client v.1.25 with chunked POST for big-data [module]
rHttpUtils2 - Http Client v.1.25 with chunked POST for big-data [module]
@peacemaker · 2025-06-26
rSHT20
rSHT20 is an open source library to read the temperature (°C) & humidity (%RH) from an SHT20 sensor.
@rwblinn · 2025-06-26
rESP32LEDControl
rESP32LEDControl is an open source library to set the state/brightness of an LED connected to an ESP32 using selective functions from the Arduino-ESP32 LEDC API.
@rwblinn · 2025-06-13
rLovyanGFXEx ESP32
rLovyanGFXEx ESP32
@rwblinn · 2025-06-08
rIRRemoteEx
Library for sending & receiving of infra-red (IR) signals
@rwblinn · 2025-06-06
rArduino_JSON
Process JSON in your Arduino sketches
@candide · 2025-04-30
rESP32Watchdog
rESP32Watchdog is an open source ESP32 hardware watchdog: - A minimal and flexible ESP32 hardware watchdog implementation using B4R, complete with EEPROM-based crash reason logging and runtime test simulations. - Hardware watchdog timer with configurable timeout. - Periodic feeding of the watchdog in the main loop. - Persistent logging of reset reason in EEPROM. - Simulation of common failure modes: - Infinite loops. - Stack overflows. - Explicit system crashes. - Optional cloud communication using HTTP (for demonstration).
@rwblinn · 2025-04-22
ILI9488 tft Library
This library is for support for the 320x480 tft controller over 4 wire SPI. It is based heavily on the Adafruit_ILI9341 library and is designed to work with the Adafruit_GFX library.
@candide · 2025-04-07
rVEGA_SH1106
A wrapper for the VEGA_SH1106 library
@candide · 2025-04-07
How to calculate device''s battery lifetime ?
How to calculate device''s battery lifetime ?
@peacemaker · 2025-03-10
rBLEServer for ESP32
rBLEServer for ESP32
@rwblinn · 2025-03-10
enable BT or BLE and get MAC-address [ESP32]
enable BT or BLE and get MAC-address [ESP32]
@peacemaker · 2025-02-25
rBLEBeacon ESP32
rBLEBeacon is an open source library to create a Bluetooth Low Energy (BLE) Eddystone Beacon based on ESP32.
@rwblinn · 2025-02-24
rHttpUtils2 - Http Client with synchronous requests queue [module]
Extended Erel''s module with 8-level FIFO queue manager. Allows to schedule the HTTP-requests one by one, not ideal, with big RAM memory consumption, but works with ESP32. It allows to add requests into a queue and the manager will run them automatically storing against non-stable Internet-connection.
@peacemaker · 2025-02-15
rESP32RGBLEDC
rESP32RGBLEDC is an open source library to set the color of a RGB LED connected to an ESP32 using the Arduino-ESP32 LEDC API.
@rwblinn · 2025-02-10
rCAN library
The library makes it simple to communicate between Arduinos AND ESP32s using a 2 wire CAN bus. (fx. 100KBS at 1000m)
@janderkan · 2025-01-26
fauxmoESP library for B4R: Amazon Alexa support for ESP8266, ESP32
fauxmoESP library for B4R: Amazon Alexa support for ESP8266, ESP32
@candide · 2025-01-09
controlling the build in RGB led on the ESP32-S3 Wroom dev board
controlling the build in RGB led on the ESP32-S3 Wroom dev board
@MbedAndroid · 2024-11-26
SD-card: save log into a limited [looped] log file
SD-card: save log into a limited [looped] log file
@peacemaker · 2024-08-25
.bin merging and flashing [ESP32]
.bin merging and flashing [ESP32]
@peacemaker · 2024-08-23