Search found 3 matches

by rafaelvf
Sun Sep 26, 2021 5:22 pm
Forum: ESP32 Arduino
Topic: Internal pullup resistor and DS18B20 (Digital Temperature Sensor): is it possible?
Replies: 2
Views: 4921

Internal pullup resistor and DS18B20 (Digital Temperature Sensor): is it possible?

Hi, I have successfully tested a DS18B20 (Digital Temperature Sensor) with various ESP32 development boards. I have always used an external pullup resistor of 4.7 kOhm. I have tried to replace it with the internal pullup resistor of the ESP32 without success. I have used the instruction: pinMode(13,...
by rafaelvf
Tue Sep 07, 2021 2:20 pm
Forum: ESP32 Arduino
Topic: Unable to upload code: Invalid head of packet (0x00)
Replies: 0
Views: 1659

Unable to upload code: Invalid head of packet (0x00)

Hi, I'm using two LilyGO T-Beam v1.1 boards. After some time of working correctly, in one of them I cannot upload code. The Arduino IDE is able to connect whith this board and retrieve its characteristics. Usually the process of writting code starts but never ends properly. Every time I get the foll...