| Address | Value |
|---|---|
| 0xA06D4538 | Audio |
Damien Gaignon psolyca
psolyca
/ Audio_bitrates_addresses_table.md
Last active
May 4, 2020 15:30
Audio bitrates addresses table for Yi4k #yi4k
The audio bitrate is stored as a 32 bit integer corresponding to the number of bits per second. ex: 0x1F400 is 128000 bits per second which is 128kb/s.
| Bitrates (kb/s) | Hex |
|---|---|
| #8kbs | 0x1F40 |
| #16kbs | 0x3E80 |
| #32kbs | 0x7D00 |
| #64kbs | 0xFA00 |
| #96kbs | 0x17700 |
psolyca
/ video_bitrates_addresses_table.md
Last active
May 4, 2020 15:30
Video bitrates addresses table for Yi4k #yi4k
This is for the 4k firmware 1.10.9
| Res. num. | Address | NTSC | PAL |
|---|
The values in the video bitrate table are stored as 32 bit floating point values :
| Bitrate (Mbps) | Hex value |
|---|---|
| 0.05 | 0x3D4CCCCD |
| 0.1 | 0x3DCCCCCD |
| 0.15 | 0x3E19999A |
| 0.2 | 0x3E4CCCCD |
| 0.25 | 0x3E800000 |
| 0.3 | 0x3E99999A |
psolyca
/ LightsControl.md
Last active
May 4, 2020 15:31
Light control with NodeMCU v3 #nodemcu #esp8266
The goal is to control all my lights with Domoticz and my wall switches.
A NodeMCU v3 will be used as the controller, a PCF8574 board to extand I/O, a 4 relays board to switch lights on/off and a mini AC-DC converter.
ESPeasy is the firmware of the main board and Domoticz the home automation manager.
Lights in the home are simple or 3-way switches.
By the way, all cables from live, neutral and between switches and lights are gathered in a connecting box as the following:
psolyca
/ RollerShutter.md
Last active
May 4, 2020 15:31
Roller shutter with Electrodragon SPDT and HLW8012 #nodemcu #esp8266
After modding the Electrodragon SPDT, it is time to use it.
The goal is to make a roller shutter switch. A HLW8012 breakout board (energy meter) made also by Electrodragon will be used as a calibration system to handle percentage opening.
ESPeasy is the firmware of the main board and Domoticz the home automation manager.
For security reasons and to avoid both UP and DOWN power lines powered in the same time, one relay is the power relay where as the other one is the direction relay.
Following the modding of the SPDT board:
psolyca
/ SPDT_electrodragon.md
Last active
May 4, 2020 15:31
Modding Electrodragon SPDT double relay board #nodemcu #esp8266
Some information about Electrodragon SPDT double relay board that is not on the wiki pages
To be able to flash the board, the serial bitrate should be 9600, 57600 or 115200 baud. btn2 should be push on reset till beginning of flash (blue LED blink on the other side) after it could be released (keep it pushed till the end of flash if trouble).
On the main pin header, IO4 and IO5 are inverted thus IO4 is GPIO5 of ESP-12F ans IO5 is GPIO4.
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