"This should be easy with I2C driven display, but I am not programmer, I can't do it."
kolin's Discussions
Upgrading from 2.40 to latest 2.73, possible inconveniences?
Started this discussion. Last reply by Monroe Lee King Jr. Jun 2. 1 Reply 0 Likes
Hi,I have nice setup of APM1 (2560) with Arduplane 2.40 in large flying wing. Plane is grounded for about a year now and I want to fly it again. It worked well, everything was set up well. I am…Continue
How to force Arduplane to run without baro sensor
Started Jun 8, 2012 0 Replies 0 Likes
HiHow do I disable baro sensor in code? Where do I have to touch in code? Probably just comment some lines. Code of APM si too much for me.What is pressure sensor used for on Arduplane? I hope it is…Continue
What CAD software are you using and why?
Started this discussion. Last reply by Andrew Adams May 7, 2012. 2 Replies 0 Likes
Simply:What CAD software are you using and why?Me:For 2DI use Solid Egde 2D Drafting - free versionIt's "free" (you need to register). I tried many of CAD programs, both free and full versions…Continue
APM1.4 2560 failed I2C
Started this discussion. Last reply by Jake Stew Apr 5, 2012. 3 Replies 0 Likes
Hi,Just before maiden of my Funjet APM stopped working. After few hours of debugging I figured out I2C devices are not working, preventing APM to initialise. After all I wrote simple programvoid…Continue
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Latest Activity
Madhu Nuggehalli commented on kolin's blog post RC system on 868MHz based on OpenLRS"@Kolin,
Any ideas to incorporate a LCD to make a TX module with telemetry display?"
kolin commented on kolin's blog post RC system on 868MHz based on OpenLRS"Well, there is no batch yet, only few prototypes I am using. I am going to design TX module for RFM23BP with 1W output power. No change in software needed. Question is when, probably in the winter.
Unfortunately to be within allowed band, you can…"
Stefan Gofferje commented on kolin's blog post RC system on 868MHz based on OpenLRS"I just found that article now.
@Kolin, have you made a batch of boards yet? I would be interested in at least one TX and one RX. Is it technically possible with the modified modules to go over 100mW? I am thinkin gof doing 10 channel hopping which…"
Monroe Lee King Jr. replied to kolin's discussion Upgrading from 2.40 to latest 2.73, possible inconveniences?"I'd say if it's not broke don't fix it. If it's satisfactory and you don't need any new feature don't do it.
If there's something you need in a newer version then sure.
Best way to find out is write down all your…"
kolin posted a discussionUpgrading from 2.40 to latest 2.73, possible inconveniences?
Hi,I have nice setup of APM1 (2560) with Arduplane 2.40 in large flying wing. Plane is grounded for about a year now and I want to fly it again. It worked well, everything was set up well. I am little afraid that upgrade to latest firmware will break my settings. Is it safe to upgrade, load old parameters and ready to go? Or fresh setup is mandatory?I do not have compass module on my old APM, can I still use arduplane without it?I have current sensor AC756-050B, which outputs: 2.5V=0A,…See More
kolin replied to Andrew Adams's discussion Drive Stepper Motor via RC"https://store.cunningturtle.com/product/ct-60
I need one too. I is AVR and opensource firmware.
Answer one year late... :)"
kolin commented on kolin's blog post RC system on 868MHz based on OpenLRS"Hi, swapping module should be easy if you can desolder old one without ruining PCB. Just load OpenLRSng and ready to go.
Good, well MATCHED antennas are must. Forget about ƛ/4 whip, do not even dare to think about ƛ/2 dipole directly connected to…"
Noth666 commented on kolin's blog post RC system on 868MHz based on OpenLRS"Hmm, didn't even check for the modules existing also in 868mhz, cool stuff! I have the OrangeRx OpenLRS from hobbyking so I will probably try to swap the moduled for 868mhz ones :).
Do you have any estimate on how high the duty cycle is? what…"
kha commented on kolin's blog post RC system on 868MHz based on OpenLRS"Those are Eagle (I use 6.4.0 currently)."
kha commented on kolin's blog post RC system on 868MHz based on OpenLRS"Thanks for the nice words =)
I have also created some hardware for OpenLRS and those are available on github.
https://github.com/kh4/openLRSngTX -- OpenLRS 1W TX board, not pin compatible with flytron but supported by…"
kolin commented on kolin's blog post RC system on 868MHz based on OpenLRS"Guy nicknamed kha, made fantastic firmware OpenLRSng. Among other great features it brings support for 868MHz band! Tested with my prototypes and results are much better than hacked thundead firmware originally posted…"
kolin commented on Stefan Gofferje's blog post No more LiPos, or Meet the scientific accident that could change the world"I am looking forward to see real replacement of LiPo batteries. However, charging battery in seconds means charger of properties like industrial welding machine.
Example: Charging common LiPo 3S/2200mAh
2.2Ah*3600=7920As
If you like to charge it in…"
kolin commented on Hunter Parris's blog post Ubiquiti XR9 XtremeRange 900MHz Embedded Radio module"Sorry to tell that, it is useless for small drones. You need mainboard to plug this card to. Cheapest and lightest I can find is Mikrotik RB411, form factor 105x105mm about 100g. Then you can change firmware to OpenWRT. Pretty complicated...."
kolin commented on kolin's blog post RC system on 868MHz based on OpenLRS"Adilson: You have to enable layers, way I saved it there is only 20-Dimensions visible
I am also planning to create 1W version.
"
SlimTom commented on kolin's blog post RC system on 868MHz based on OpenLRS"I am interested too... (I'll try to send you PM)"
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- About Me:
- nop
- Tell us a bit about your UAV interest
- fpv, mikrokopter
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- Prague
Kolin's Blog
RC system on 868MHz based on OpenLRS
Posted on December 23, 2012 at 11:35am 16 Comments 10 Likes
Story
About year back, I found OpenLRS. When looked on schematics I discovered it's really simple. I checked local parts supplier and found out 433Mhz and 868Mhz RFM22B modules to be about 9$ Then calculated that price would be half if I do it myself. So I ordered 433Mhz (868 was not in…
Galvanically isolated PPM decoder project based on APM
Posted on June 15, 2012 at 11:39am 4 Comments 0 Likes
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