User Manual

JJ604
16
AddingFrSkytoaSpektrumDX8
16
2. Boostthevoltage.
AllweneedisamethodtoboosttheNiMHpacktoasteady6V.Unfortunatelythe
6VBECsweuseformodelswon’tworkastheyareallvoltagereducersandwillnot
outputavoltagehigherthanthein put.Asimilarcircuitcan
beusedasavoltage
boosterthoughandtheyaresoldasUSB>6Vconverterswhichhaveadequate
currentcapacityof300mAormore.
http://usb.brando.com/usbto6vvolt...2c042d015.html
EvenmoreusefulisthesocalledSolarBoostPowerConvertermodulewhichwill
produceupto9Vfrom0.96Vinatseveral100mA.Perfect.At$3.61deliveredI
haveorderedacoupletotryout.Howevertheywillrequiremodificationtoremove
theUSBconnectorandmaywell
havenoiseissues.Iamnotkeenonputtinga
cheapswitchmoderegulatorinsidemytransmitter.
http://www.goodluckbuy.com/dcdcsol...module1.html
3. AddanadditionalbatterytoruntheFrS kymod ule.
ThisistheapproachadoptedbytheverysuccessfulFlyZoneTacticTxReadysystem
tomakeitsimpletoattachtheirmoduletoaDX8.Worksfinefortheirlowdrain
systemusingasmallLiFe200mAhbatterybutin
myopinionbecomesaclumsy
solutionwiththebiggerbatteryneededforthemuchhigherdrainFrSkysystem.
Youalsohavenomonitoringofthestateofchargeoftheadditionalbattery,which
isnowrunningeverything.