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Posted by JazzMac | Mar 07, 2018 @ 01:47 AM | 927 Views
I made a test, zero yawangle only when onground but not on channel change . And keep computing yawangle after take off. I think it is better for beginners.

I fork from NFE and put this test version (including N_FLIP) on google drive.

https://drive.google.com/folderview?...fjNOd664E-frhE
Posted by JazzMac | Mar 07, 2018 @ 01:37 AM | 958 Views
May hit the ceiling when exit from a flip. Let throttle stick gain control earlier.

flip_sequencer.c
//rx_override[3]=THROTTLE_EXIT;
rx_override[3] = rx[3];

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Edit: more throttle when flip exit is necessary. But not too much. So I use the throttle value just starting to flip as a reference for THROTTLE_UP THROTTLE_HOVER and THROTTLE_EXIT. The drone position after flip now is more stable.


I also add a flipcounter, check flipcount when FLIPEXIT and call start_flip() for more flips. Just for fun. ^^

https://drive.google.com/folderview?...fjNOd664E-frhE
Posted by JazzMac | Mar 03, 2018 @ 06:20 AM | 1,211 Views
Mods:

1. Wire 4 lines between each gate and the correct esc input.

2. Use a balanced plug and get 1s for FC. JST for four ESCs.

Software:
1. Change to ESC driver, and set dshot600

2. Chose a PID from WIKI

1. 拉四條線
2. 拉平衡頭電源

軟體改設 Dshot600
參考 wiki PID 直接飛
Posted by JazzMac | Mar 03, 2018 @ 04:07 AM | 1,207 Views
I made a compact keil_v5 pack for command line.

1. Unzip and put keil_v5 in root.
2. Unzip NFE_2_16_18 and you can find a.bat

The batch processes need existing obj files so just downloaded from github can't be used because the obj folder is empty. I don't know how to fix this.

https://drive.google.com/folderview?...fjNOd664E-frhE
Posted by JazzMac | Feb 21, 2018 @ 09:49 AM | 1,489 Views
Hi everyone,
In addition to go brushless, I replace original 3.7v motors with 7.4v 8520 motors and larger props. Can anyone show me threads about this idea or there is none before.
Mod steps:
1. Add a 2S balance charging female connector as the power source.
2. Remove 4 M+ lines from FC and connect all to 7.4v.

3. To protect NMOS, one flyback diode is suggested between M- and M+.

#有刷小四軸2S升級

1. 選擇機架搭配 8520 馬達/直驅槳(沒有減速) e.g. jxd515w, tiny8, Q100...

2. 選擇 silverware FC.
e.g. H8 mini, H67, B03, E011
其他不能刷 silverware 也可以 e.g. JJ1000
但不能調 PID

確認 所有 M+ 連接至 Vbat, 輸出級為 NMOS

3. 連接 2S 平衡充母座到飛控板,3.7v 給飛控,led,低電壓 都維持不變。

一般的 SOT23 NMOS 1A Vgs 8/10V, Vds 20V, 可以對應 2S PWM

4. 連接 4顆馬達 M+ 到平衡充母座 7.4v,M- 位置不變。或再增加一個2S母接頭 (e.g. JST)

5. 為了保護 NMOS, 需在 M+,M- 之間加裝飛輪二極體