ESP8266 Community Forum

- Mon Oct 09, 2017 12:05 pm #70744 Hello,

I found this board, neat and cheap

https://www.aliexpress.com/item/Wireles ... 0bd465348e

I need to make a device that records audio, and sends it over the ethernet cable

- from this page it says it's the only board with an adc is 3.3v range... is it accurate ?
https://tttapa.github.io/ESP8266/Chap02 ... dware.html
- does it do SPI ? I need to adress this card
https://www.adafruit.com/product/1381
- can I also realtime read a keypad and print stuff on an LCD ?

thanks

- Tue Oct 10, 2017 4:39 am #70765

and sends it over the ethernet cable

Then you need an Ethernet board. Why use a WiFi processor and not use WiFi?

- does it do SPI ? I need to adress this card

ESP8266 does SPI. The VS1053 has been used for many MP3 player projects. Less so for recording audio.

can I also realtime read a keypad and print stuff on an LCD ?

If you do not run out of pins. You must choose hardware then count the number pins required versus the number of pins available on the ESP8266. For example, the number of buttons and display interface (i2c vs. spi) determines the number of required pins.

- Tue Oct 10, 2017 9:53 am #70778 yes indeed, I meant wifi

there are so many boards I dont know which one to chose

are there some comparison chart or something like for arduino