Gender
Male
About
Location
Guangzhou
About Me:
A boy from SYSU, china
Please tell us a bit about your UAV interest
KCNAV2A GPS/SINS Module
Hometown:
Guangzhou
Activity Feed
"TVS diode can eliminate voltage spike, it's necessary for high current power line.
this kind of diode acts like zener diode but it's much faster.
it's widely used in external port protection.
also, for AD input, a RC low pass filter follow a zener…"
this kind of diode acts like zener diode but it's much faster.
it's widely used in external port protection.
also, for AD input, a RC low pass filter follow a zener…"
"Well i've just fix my board. it's U3 in sch PartNo. TPS79133 cause this.Repair costs 0.5$ in china
http://diydrones.ning.com/forum/topics/apm-2-5-no-dataflash-compass..."
http://diydrones.ning.com/forum/topics/apm-2-5-no-dataflash-compass..."
"Well i've just fix my board. it's U3 in sch PartNo. TPS79133 cause this.Repair costs 0.5$ in china
http://diydrones.ning.com/forum/topics/apm-2-5-no-dataflash-compass..."
http://diydrones.ning.com/forum/topics/apm-2-5-no-dataflash-compass..."
"Well i've just fix my board. it's U3 in sch PartNo. TPS79133 cause this.Repair costs 0.5$ in china
http://diydrones.ning.com/forum/topics/apm-2-5-no-dataflash-compass..."
http://diydrones.ning.com/forum/topics/apm-2-5-no-dataflash-compass..."
"Well i've just fix my board on 3:00 a.m. (Hong Kong time). i've find that the 3.3V power supply ic damaged, when i use a external dc supply (by agilent) instead, the board working again. so that tells me i should change the ic TPS79133 near socket…"
"I try to download LEA-6N GPS/GLONASS firmware into LEA-6H, it seems that position random walk reduced, but i can't get GLONASS satellite signal because the Sarantel ANT i used blocked the signal on 1600MHz"
