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What about under voltage protection in the device? You can ruin a lipo by letting them discharge too far.
You might also want to add some protection circuit to the battery. Like one of these:http://www.ebay.com/itm/5A-PCB-BMS-Protection-Board-for-18650-Li-ion-lithium-Lipo-3-7V-Battery-Cell-1S-/191995736230?hash=item2cb3d670a6:g:MNoAAOSwzaJYANqY
Nice. I made one along the same lines as you did. Aeroquad flight controller with the same motors.http://youtube.com/user/grtyvr
I will add telescope to the title. Thanks.
Feedback welcome on this one!http://www.instructables.com/id/Crayford-Focuser/
Link to a source for the usb stick movie camera? Those things look cool!
Crayford FocuserView Instructable »
Iluminated telescope eyepie...View Instructable »
Try a couple of 10K pull up resistors, one on each of CH_PD and GPIO2. Also, if the serial port can not deliver enough current you might want to try to power the ESP8266 from a separate power rail.
Brilliant! Things like this is what make this site great!
Emergency AC Adapter Cord Fix.
Alien Ship & Glowstick Decoration
For anyone on Linux (I have Ubuntu 14.04), u-center8.16 will run under wine, but you need to map the serial ports (COM1, COM2, COM3 etc) to the linux usb devices with ln -s /dev/ttyUSB0 ~/.wine/dosdevices/com1I needed to get up to com3.
Saving scrap in the garage sometimes pays off.
18650 Holder from PVC pipeView Instructable »
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