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B4X is a set of simple and powerful cross platform RAD tools:
- B4A (free) - Android development
- B4J (free) - Desktop and Server development
- B4i - iOS development
- B4R (free) - Arduino, ESP8266 and ESP32 development
node-red
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B4R Tutorial Node-Red MQTT controlling 8+8 digital Inp-Out and I2C ADC on ESP32
Hi Here a sample program to control/monitor 8+8 digital Out-Inp, plus an I2C ADC. The program use the MQTT protocol. This program is an evolution of the previous one I posted. This version add the monitor of 8 digital Input and four analog input read by ADC (ADS1115).- TiDi
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- esp32 mqtt node-red
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- Forum: B4R Tutorials