Search found 5 matches

by paulfjoju
Thu Dec 08, 2022 8:39 am
Forum: ESP32 Arduino
Topic: ESP32-WROOM-32U on DevKit C V4
Replies: 1
Views: 1032

Re: ESP32-WROOM-32U on DevKit C V4

hello, What is wrong ? this message at the end of compile is classic and Ok ... Wrote 3072 bytes (128 compressed) at 0x00008000 in 0.1 seconds (effective 274.3 kbit/s)... Hash of data verified. Leaving... Hard resetting via RTS pin.. can you connect a terminal PC ( same virtual COM used for Uploadin...
by paulfjoju
Mon Jun 27, 2022 3:24 pm
Forum: Hardware
Topic: IO Expander I2C Address Problem
Replies: 4
Views: 3006

Re: IO Expander I2C Address Problem

...oops


but you can get 38 decimal value .. = 0x26
by paulfjoju
Mon Jun 27, 2022 3:19 pm
Forum: Hardware
Topic: IO Expander I2C Address Problem
Replies: 4
Views: 3006

Re: IO Expander I2C Address Problem

hello,

regarding the data sheet
if you considere device adress on 7 bits
adresse from 0100 000 => 0x20 to 0x27
but global adress on 8 bits (with the bit R/W)
gives 0x40 to 0x4E

you can't get 0x38
by paulfjoju
Mon Jun 27, 2022 3:04 pm
Forum: Sample Code
Topic: Problem with Ntpserver and 6 Yaxis on Highcharts
Replies: 0
Views: 2743

Problem with Ntpserver and 6 Yaxis on Highcharts

Hello, I am using Highcharts to draw 6 differents values , 6 differents Y axis , on a XY chart. get 6 datas every 2 sec as : 1 counter,DS18B20 sensor, AM2302 Humidity and Temperature, Pressure with I2C BMP085,and a MCP23017 + Oled Dsiplay SD1306 Web page resfhreshed every 1 minute I wanted to add N...
by paulfjoju
Thu May 05, 2022 9:26 am
Forum: General Discussion
Topic: ESP32-Wroom-32 ESP32 DevkitV1
Replies: 0
Views: 839

ESP32-Wroom-32 ESP32 DevkitV1

Hello, it seems i have an old ESP32 module , with a Chip is ESP32D0WDQ6 (revision 1) Board with 2x15 pins and i don't find out this boar reference in Arduino IDE .. Tools .. board if i select " DOIT ESP32 VROOM Devkit" i can compile ... i can upload .. but impossible to start the programme..after pr...