Robot Building Questions

Voltage Regulation Question

Looking for help! I have a Drok regulator and an 11.2v 5200mah LiPo battery to power my EZB. My EZB keeps telling me my battery is low when I have the battery passing through the Drok at 7v. The problem is that the amps are not pulling through the Drok enough to juice the EZB. The EZB is only receiving .18ah. When I plug my smaller 7.4v LiPo at...

Ideas For Scrolling Text On A Led Array?

Hello all, I’d like to use a PC to send text (up to 250 chars) to a scrolling LED display, and the PC would need to send a different text string every minute or two. I would be happy to use ARC for this, but other options would be acceptable also. (Im thinking maybe I could simply send ascii text over a serial port? but i havent found any solutions...

Siri Short Cuts

Anyone had a play with Siri short cuts yet. My logic is IFTTT, not currently supported but I found this article https://www.macstories.net/ios/how-to-trigger-ifttt-applets-with-ios-12s-new-shortcuts-app-and-siri/

Chinese Farmer Invents Robo Crab

Short version (includes his four-legged dog shaped vehicle at the end}: https://www.youtube.com/watch?v=EEaz-SCDXcY 5 Minute version: https://www.youtube.com/watch?v=PBSCh5KjHCs

Function For Counting Pulses On A Digital Input

I need to count the number of times a digital input detects state changes within a specified time window (100ms to 1000ms). Any suggestions? Thanks.

Connecting Jd With Ipad Application

hello is there a way to program an iPad application using Xcode to make it connect with JD? like for example; i have done an ez-script that makes JD tell a story and i added an audio also in that story. i want to click a button on my iPad application that will make JD tell the story. so is there a way to establish such kind of connection between JD...