1. walterf25

    B4J Question MQTT Delay Time

    Hi Everyone, I am working on a project where I have a raspberry pi 4B where I have a b4j app running which communicates with a 32 channel Analog to Digital Converter we designed and built at work, the communication is via I2C protocol, this part works very well as far as I have been able to...
  2. walterf25

    B4J Question B4J App Slow on Raspberry Pi 4

    Hi all, I am working on a project for work, basically I am attaching a DAQ (Data Acquisition System) we designed with 4 ADCs that communicate with raspberry pi over I2C communication protocol. This all seems to work fine so far, I am able to communicate with each of the ADCs and collect data...
  3. Yasen

    B4R Question ESP8266 How to read the ADC value?

    Please help. I am trying to read the Analog value from AD0 of the ESP8266. So far not working must be? ADC.Initialize(6,ADC.MODE_INPUT) test=ADC.AnalogRead Tryed ESP.getVcc - gives strange result (native) Tryed system_adc_read() (native)
  4. A

    Wish MCP3008 ADC

    Could someone please wrap the Adafruit MCP3008 ADC library available at: ? Or, offer another way of reading this ADC? I'm successfully using that library on a Wemos D1 R2 through the Arduino IDE and would like to now port it over to B4R.