Search found 3 matches
- Mon Dec 04, 2017 9:08 pm
- Forum: Showcase
- Topic: Audio board with ESP32, Wired Ethernet and Amplifier
- Replies: 1
- Views: 7151
Audio board with ESP32, Wired Ethernet and Amplifier
I'm designing a board with ESP and VS1053 to be used as an internet radio. The main differences with other boards is the wired Ethernet connection, on board Class D amplifier and FM receiver. There is a project log on Hackaday : https://hackaday.io/project/28422-karadio-wired and the Altium design f...
- Sat Oct 07, 2017 7:52 pm
- Forum: Showcase
- Topic: [info] World’s first ESP32 industrial computer has extensive wireless options
- Replies: 5
- Views: 12285
Re: [info] World’s first ESP32 industrial computer has extensive wireless options
I think they use an ethernet switch with one RMII interface and two 100BT interface such as KSZ8463RL: http://ww1.microchip.com/downloads/en/DeviceDoc/KSZ8463ML_RL_FML_FRL_ds_1.0.pdf You have only one interface, but you can daisy chain the controllers which ease the cabling and even if one node is t...
- Mon Dec 12, 2016 8:44 am
- Forum: General Discussion
- Topic: High speed GPIO operations
- Replies: 12
- Views: 39298
Re: Confirmations about ESP32 peripherals
May be because the C function gpio_set_level get translated in multiple assembly instructions by the C compiler ?I wrote above, the BLINK_GPIO output frequency only 3Mhz,If the clock is 240 Mhz,I/O output frequency why so low?
F.