Search found 7 matches

by RoundRobin
Thu Dec 01, 2016 2:29 pm
Forum: General Discussion
Topic: DAC output range?
Replies: 2
Views: 7634

Re: DAC output range?

Noone?

0 - 3.3 or -3.3 to 3.3?
by RoundRobin
Tue Nov 29, 2016 10:32 am
Forum: General Discussion
Topic: DAC output range?
Replies: 2
Views: 7634

DAC output range?

This may be a silly question, so please bear with me..
What is the output range of the ESP32 DACs? 0 - 3.3V?
by RoundRobin
Thu Nov 24, 2016 1:28 pm
Forum: Hardware
Topic: Need help to download firmware into ESP32
Replies: 25
Views: 53928

Re: Need help to download firmware into ESP32

It's powered from a 1A supply, so it should be sufficient. Just to check, I changed to a 3A lab supply, and the result is still the same. But I came across this link about ESP8266 having the same problem. It was solved by using a different USB to serial converter. Although my FTDI serial converter i...
by RoundRobin
Wed Nov 23, 2016 10:54 am
Forum: Hardware
Topic: Need help to download firmware into ESP32
Replies: 25
Views: 53928

Re: Need help to download firmware into ESP32

>First of all, I want to know which board are you using for you development purpose? Means ESP32-Dev board V2 or any other ESP32 based custom board? I am using the ESP-32S module from Ai-Thinker. It is pin equivalent with the ESP-WROOM-32. My setup is shown in the picture below, I have only wired up...
by RoundRobin
Tue Nov 22, 2016 2:42 pm
Forum: Hardware
Topic: Need help to download firmware into ESP32
Replies: 25
Views: 53928

Re: Need help to download firmware into ESP32

Hi Ritesh, I struggle with the same output when flashing on an ESP-32S. Could you please explain a little more what you did to make it work? When booting in normal mode, I get the below output. Not quite sure if this is expected at first boot. And when I reboot with IO0 to GND, I get the same timeou...
by RoundRobin
Mon Nov 07, 2016 2:22 pm
Forum: General Discussion
Topic: Use ESP32 as FM transmitter?
Replies: 3
Views: 14605

Re: Use ESP32 as FM transmitter?

Great, looks promising. Hadn't looked into the RMT before. Another question from the great noob: I need to play several small wav files simultaneously (8000 Hz, mono, 1 second duration), and originally I was thinking about using a multichannel SPI DAC. But would it be possible to use the PWM outputs...
by RoundRobin
Wed Nov 02, 2016 9:45 pm
Forum: General Discussion
Topic: Use ESP32 as FM transmitter?
Replies: 3
Views: 14605

Use ESP32 as FM transmitter?

Would it be possible to use the ESP32 PWM output pins as an FM transmitter as it was done with the Raspberry Pi? http://www.icrobotics.co.uk/wiki/index. ... ransmitter