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TROBOT model 10 OFF ROAD version
10-19-2016, 05:03 AM (This post was last modified: 10-19-2016 05:04 AM by kooky.)
Post: #1
TROBOT model 10 OFF ROAD version
I have developed new TROBOT with off-road wheels.
It has modified from previous TROBOT.
The circuit board is smallest size possible by my ability.




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10-19-2016, 10:27 AM (This post was last modified: 10-19-2016 10:32 AM by JJrobots JP.)
Post: #2
RE: TROBOT model 10 OFF ROAD version
Nice job! I REALLY LIKE (Honestly) the ON/OFF switch. I love the feeling when you switch it on and hear the CLICK sound ;-) Are you using the original B.robot Arduino Code?
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10-19-2016, 03:10 PM (This post was last modified: 10-19-2016 05:09 PM by sasa999.)
Post: #3
RE: TROBOT model 10 OFF ROAD version
(10-19-2016 05:03 AM)kooky Wrote:  The circuit board is smallest size possible by my ability.

[Image: DSCN0545.jpg]

http://forumsjjrobots.com/thread-738-pos...ml#pid1052

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11-12-2016, 07:25 AM
Post: #4
RE: TROBOT model 10 OFF ROAD version
(10-19-2016 05:03 AM)kooky Wrote:  I have developed new TROBOT with off-road wheels.
It has modified from previous TROBOT.
The circuit board is smallest size possible by my ability.



Hi, nice work there! I notice that you use a voltage divider (3.3V) to the RX pin of the ESP module. I guess that's because Arduino TX has 5V TTL while the ESP needs to have 3.3V TTL signal, right?
But why don't you use also a level shifter for the TX pin of the ESP? I guess it's because the Arduino can receieve 3.3V TTL signal, am I right? CMIIW.
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11-12-2016, 12:42 PM (This post was last modified: 11-12-2016 12:52 PM by sasa999.)
Post: #5
RE: TROBOT model 10 OFF ROAD version
I realy can't understand WHAY you put there any voltage divider or level shifter for 32U4. Operating Voltages is 2.7 - 5.5V, so why not use 3.3V for ALL??
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11-13-2016, 06:39 AM
Post: #6
RE: TROBOT model 10 OFF ROAD version
(11-12-2016 12:42 PM)sasa999 Wrote:  I realy can't understand WHAY you put there any voltage divider or level shifter for 32U4. Operating Voltages is 2.7 - 5.5V, so why not use 3.3V for ALL??

Yes, I think 32U4 doesn't need a level shifter to receive signal from ESP but the ESP needs a level shifter to receive signal from 32U4.
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05-23-2018, 12:36 PM
Post: #7
RE: TROBOT model 10 OFF ROAD version
Please let me know about LED flashing.
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05-24-2018, 06:27 PM
Post: #8
RE: TROBOT model 10 OFF ROAD version
Awesome design! It looks very compact. Nice video and thanks for posting the schematic. Smile
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