Yes I expect the firmware is different because until I reflashed the i2c scanner could not find any devices.
Thanks for the help.
Search found 5 matches
- Thu Dec 07, 2017 10:31 pm
- Forum: WeMos
- Topic: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
- Replies: 30
- Views: 52295
- Thu Dec 07, 2017 12:54 pm
- Forum: WeMos
- Topic: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
- Replies: 30
- Views: 52295
Re: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
Ok I got it going.
First I had to rewrite the firmware as described here.
https://hackaday.io/project/18439-motor ... rogramming
I also had to desolder the standby pad on the back of the shield so it can be controlled with i2c.
First I had to rewrite the firmware as described here.
https://hackaday.io/project/18439-motor ... rogramming
I also had to desolder the standby pad on the back of the shield so it can be controlled with i2c.
- Thu Dec 07, 2017 12:54 pm
- Forum: WeMos
- Topic: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
- Replies: 30
- Views: 52295
Re: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
Ok I got it going.
First I had to rewrite the firmware as described here.
https://hackaday.io/project/18439-motor ... rogramming
I also had to desolder the standby pad on the back of the shield so it can be controlled with i2c.
First I had to rewrite the firmware as described here.
https://hackaday.io/project/18439-motor ... rogramming
I also had to desolder the standby pad on the back of the shield so it can be controlled with i2c.
- Wed Dec 06, 2017 5:46 pm
- Forum: WeMos
- Topic: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
- Replies: 30
- Views: 52295
Re: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
Yep I used the sketch at the top off the thread. I do see i2c traffic on pins d1 , d2 with the scope. I don't think there is any connection issue as I have been over the joints a few times and connected a second different shield to another wemos with the same results. To be honest the boards may wel...
- Tue Dec 05, 2017 10:57 pm
- Forum: WeMos
- Topic: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
- Replies: 30
- Views: 52295
Re: WeMos D1 Mini Motor Drive Shield (HCWEMO0010)
Was this issue ever solved. I have exactly the same issue. No moving motors. A small dc voltage of the motor pins. The motor works. The serial console shows messages moving the motors. I2c scanner finds no devices. Wemos D1 mini I am using a geared dc motor from ebay. Works when applying voltage dir...