flash partitions [ESP32]
Maybe can be useful to work with the partition, result of NVS partition is correct - corresponding to "partitions.csv": # Name, Type, SubType, Offset, Size nvs, data, nvs, 0x9000, 0x5000
@peacemaker · 2023-07-28
NVS storage [ESP32]
Arduino NVS is a port for a non-volatile storage (NVS, flash) library for ESP32 to the Arduino Platform.
@peacemaker · 2023-07-28
ESP32: detailed OTA/Update via WebServer from SPIFFS file system
ESP32: detailed OTA/Update via WebServer from SPIFFS file system
@peacemaker · 2023-07-27
rMCP27017 a wrapper for MCP23017
A wrapper for MCP23017 based on library from :https://github.com/wollewald/MCP23017_WE/tree/master
@candide · 2023-07-26
rsMQTTBroker an MQTT broker for esp32 and esp8266
rsMQTTBroker an MQTT broker for esp32 and esp8266
@candide · 2023-07-26
OTA update from server via WiFi only [ESP32]
OTA update from server via WiFi only [ESP32]
@peacemaker · 2023-07-25
Analog Input Pin values mapping
In many cases when reading analog input pin, we got a values not what we expect, but in real they are true values, so we need to map them to understandable values.
@Hamied Abou Hulaikah · 2023-07-02
Reading & Writing Time of DS1307 With ESP32 Using rWire
Reading & Writing Time of DS1307 With ESP32 Using rWire
@embedded · 2023-05-31
Inertial Measurements (MPU 6050) and Magnetometer (HMC5883L)
Inertial Measurements (MPU 6050) and Magnetometer (HMC5883L)
@derez · 2023-05-27
Home Control 4
Home Control 4
@XorAndOr · 2023-05-18
ESP32 WITH LCD [20x4] Interface Using I2C
ESP32 WITH LCD [20x4] Interface Using I2C
@embedded · 2023-05-15
ESP32 WITH LCD [16*2] WITH 4 LINE INTERFACE [WITHOUT I2C]
ESP32 WITH LCD [16*2] WITH 4 LINE INTERFACE [WITHOUT I2C]
@embedded · 2023-05-10
Tips to use an M5Stamp-C3U
Tips to use an M5Stamp-C3U
@thali · 2023-03-29
ESP32: AES256 encrypted & Base64 encoded post message to and from PHP
ESP32: AES256 encrypted & Base64 encoded post message to and from PHP
@KMatle · 2023-02-06
RSA Encryption: Create keys, en-/decrypt, hash, sign/verify signature [clean code]
RSA Encryption: Create keys, en-/decrypt, hash, sign/verify signature [clean code]
@KMatle · 2023-02-04
AES256 encrypted BLE [ESP32 & B4A] example
AES256 encrypted BLE [ESP32 & B4A] example
@KMatle · 2023-02-02
rDebug.b4xlib - Debug arduino code adding break points in all microprocessors'' code [even the older ones]
rDebug.b4xlib - Debug arduino code adding break points in all microprocessors'' code [even the older ones]
@hatzisn · 2023-01-12
Car parking position detector
Car parking position detector
@hatzisn · 2022-12-19
ESP Configurator based on B4RSerializator
This tool replaces the browser based solution (https://www.b4x.com/android/forum/threads/esp8266-wifi-remote-configuration.68596/). It is simpler and much more powerful.
@Erel · 2022-12-08
Benchmark of Microcontrollers
Counts 200 cycles and logs the mean time between two cycles (in Millis)
@hatzisn · 2022-12-05
MCP3204 12bit ADC with ESP32
MCP3204 12bit ADC with ESP32
@embedded · 2022-11-19
ESP32CAM - Print Logs Workaround - b4xlib included
All of you that have bought the ESP32CAM you know that it does not print logs in B4R. So if you cannot go through a problem, just go around it. The around way is to post in MQTT server the logs and display them in B4J app. And it works.
@hatzisn · 2022-10-24
Ethernet ENC28J60 solution
Ethernet ENC28J60 solution
@Nator · 2022-10-10
library for PCF8574
This library gives easy control over the 8 pins of a PCF8574 and PCF8574A chip. These chips are identical in behavior although there are two distinct address ranges.
@candide · 2022-08-02
rEspalexa livrary
It allows you to set a ranged value (e.g. Brightness, Temperature) and optionally a color, additionally to standard on/off control. For example, you can say "Alexa, turn the light to 75% / 21 degrees".
@candide · 2022-08-02
rRFXMeter
The goal is to send sensor & actuator data from an Arduino Microcontroller to Domoticz Home Automation System by using a RFXCOM RFXtrx433e transceiver.
@rwblinn · 2022-07-22
Node-Red MQTT controlling 8+8 digital Inp-Out and I2C ADC on ESP32
Node-Red MQTT controlling 8+8 digital Inp-Out and I2C ADC on ESP32
@TiDi · 2022-06-23
rLoRa library
An Arduino library for sending and receiving data using LoRa radios.
@candide · 2022-06-20
Node-Red MQTT controlling 8 relays ESP32
Here a sample program to control 8 outputs on arduino ESP32. The program use the MQTT protocol to exchange the data (really a single byte). By Node-red web interface the user set or reset the relay and the arduino send back the status as feedback.
@TiDi · 2022-06-05
rESP3228CYD
rESP3228CYD is an open source SPI LCD graphics library with basic functionality for the Sunton ESP32 2.8" TFT Cheap Yellow Display (CYD).
@rwblinn · 2022-05-07