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Program robots using technologies created from industry experts. EZ-Builder is our free-to-use robot programming software that makes features like vision recognition, navigation and artificial intelligence easy.
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Synthiam
#3  
@Hobb0:
The available esp32 firmware code does not support HC-SRC04 it requires equivalent Arduino Uno's code improvements, although the changes are easy to copy and replicate anyone familiar with Arduino IDE/code can do it BUT is only one 1/3 of the solution, the 2/3 requires upgrade synthiam web site device capabilities if not the owner forking another implementation (not practical) and the final step update the EZ-Builder code to include the new capabilities.
The process is not practical requires an EZ-Builder update.
Only DJ can help you !
#4   — Edited
@Hobbo:
Bear in mind esp32 is not 5v tolerant, and the ping sensor requires 5V to operate, you will need to convert the echo pin logic to 3.3v you will need a voltage divider or a transistor or logic level IC. 
Maybe you can get lucky and the device tolerates 5v until one day it dies or stops working it's your call.

https://www.hackster.io/AskSensors/ultrasonic-ranging-with-esp32-and-asksensors-iot-2fafeb

esp32 datasheet:
https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf
United Kingdom
#5  
Many thnx - a lot of ideas to think about.
Synthiam
#6  
Use an EZ-Robot IoTiny if that's the price range you're looking at... The IoTiny at least gives you video AND audio AND all the things you're asking about:D
United Kingdom
#7   — Edited
There are no stockists in the uk I can find. It would have to be shipped in which for someone impatient is a frustrating wait. I am thinking of getting one of the lotiny. If there is a price drop and free shipping I would go for it also. I would prob want camera module too. Thnx for help again -
the developers kit looks nice too - that was a Santa request
United Kingdom
#8  
Sorted many thnx