BOM-DAT/BOM-DAT.md
... ...
@@ -10,7 +10,7 @@ https://www.electrodragon.com/w/RCL_List
10 10
11 11
- [[mosfet-dat]] - [[P-mos-dat]] - [[n-mos-dat]]
12 12
13
-- [[diode-dat]] - [[tvs-dat]] - [[transistor-dat]] - [[capacitor-dat]] - [[inductor-dat]] - [[resistor-dat]]
13
+- [[diode-dat]] - [[tvs-dat]] - [[transistor-dat]] - [[inductor-dat]]
14 14
15 15
- [[crystal-dat]] - [[ferrite-bead-dat]] - [[fuse-dat]] - [[varistor-dat]]
16 16
... ...
@@ -18,6 +18,11 @@ https://www.electrodragon.com/w/RCL_List
18 18
19 19
- [[switch-dat]] - [[interactive-dat]]
20 20
21
+- [[resistor-dat]] - [[resistor-feedback-dat]]
22
+
23
+- [[capacitor-dat]]
24
+
25
+
21 26
## Chip
22 27
23 28
- [[chip-dat]] - [[chip-cn-dat]]
BOM-DAT/Resistor-Dat/resistor-dat.md
... ...
@@ -61,7 +61,37 @@ C = 1K
61 61
- 30C = 20K
62 62
63 63
64
+## R0805 1% 1K ~ 20 MΩ
65
+
66
+
67
+- 1kΩ - 1.02kΩ - 1.05kΩ - 1.1kΩ - 1.15kΩ - 1.2kΩ - 1.21kΩ - 1.24kΩ - 1.27kΩ - 1.3kΩ - 1.33kΩ - 1.4kΩ - 1.43kΩ - 1.47kΩ - 1.5kΩ - 1.6kΩ - 1.62kΩ - 1.65kΩ - 1.69kΩ - 1.74kΩ - 1.8kΩ - 1.82kΩ - 1.87kΩ - 1.91kΩ
68
+- 2kΩ - 2.05kΩ - 2.1kΩ - 2.15kΩ - 2.2kΩ - 2.21kΩ - 2.32kΩ - 2.37kΩ - 2.4kΩ - 2.43kΩ - 2.49kΩ - 2.55kΩ - 2.61kΩ - 2.67kΩ - 2.7kΩ - 2.74kΩ - 2.8kΩ - 2.87kΩ - 2.94kΩ
69
+- 3kΩ - 3.01kΩ - 3.09kΩ - 3.16kΩ - 3.24kΩ - 3.3kΩ - 3.32kΩ - 3.4kΩ - 3.48kΩ - 3.6kΩ - 3.65kΩ - 3.74kΩ - 3.83kΩ - 3.9kΩ - 3.92kΩ
70
+- 4.02kΩ - 4.12kΩ - 4.22kΩ - 4.3kΩ - 4.32kΩ - 4.42kΩ - 4.53kΩ - 4.64kΩ - 4.7kΩ - 4.75kΩ - 4.87kΩ - 4.99kΩ
71
+- 5.1kΩ - 5.11kΩ - 5.36kΩ - 5.49kΩ - 5.6kΩ - 5.76kΩ - 5.9kΩ
72
+- 6.04kΩ - 6.19kΩ - 6.2kΩ - 6.34kΩ - 6.49kΩ - 6.65kΩ - 6.8kΩ - 6.81kΩ - 6.98kΩ
73
+- 7.5kΩ - 7.68kΩ - 7.87kΩ
74
+- 8.06kΩ - 8.2kΩ - 8.45kΩ - 8.66kΩ - 8.87kΩ
75
+- 9.09kΩ - 9.1kΩ - 9.31kΩ - 9.53kΩ - 9.76kΩ
76
+- 10kΩ - 10.2kΩ - 10.5kΩ - 10.7kΩ - 11kΩ - 11.8kΩ - 12kΩ - 12.1kΩ - 12.4kΩ - 13kΩ - 13.3kΩ - 14kΩ - 14.3kΩ - 14.7kΩ - 15kΩ - 15.4kΩ - 16kΩ - 16.2kΩ - 16.5kΩ - 16.9kΩ - 17.4kΩ - 18kΩ - 18.2kΩ - 18.7kΩ - 19.1kΩ
77
+- 20kΩ - 21kΩ - 21.5kΩ - 22kΩ - 22.1kΩ - 22.6kΩ - 23.7kΩ - 24kΩ - 24.3kΩ - 24.9kΩ - 25.5kΩ - 26.7kΩ - 27kΩ - 27.4kΩ - 28kΩ - 28.7kΩ - 29.4kΩ
78
+- 30kΩ - 30.1kΩ - 30.9kΩ - 31.6kΩ - 32.4kΩ - 33kΩ - 33.2kΩ - 36kΩ - 36.5kΩ - 37.4kΩ - 38.3kΩ - 39kΩ - 39.2kΩ
79
+- 40.2kΩ - 41.2kΩ - 42.2kΩ - 43kΩ - 43.2kΩ - 44.2kΩ - 45.3kΩ - 47kΩ - 47.5kΩ - 48.7kΩ - 49.9kΩ
80
+- 51kΩ - 51.1kΩ - 52.3kΩ - 53.6kΩ - 54.9kΩ - 56kΩ - 56.2kΩ - 59kΩ
81
+- 60.4kΩ - 62kΩ - 63.4kΩ - 66.5kΩ - 68kΩ - 68.1kΩ - 69.8kΩ
82
+- 73.2kΩ - 75kΩ - 78.7kΩ
83
+- 80.6kΩ - 82kΩ - 82.5kΩ - 86.6kΩ - 88.7kΩ
84
+- 90.9kΩ - 91kΩ - 93.1kΩ - 95.3kΩ - 97.6kΩ
85
+- 100kΩ - 102kΩ - 105kΩ - 110kΩ - 118kΩ - 120kΩ - 121kΩ - 124kΩ - 130kΩ - 133kΩ - 140kΩ - 147kΩ - 150kΩ - 160kΩ - 162kΩ - 169kΩ - 174kΩ - 180kΩ - 182kΩ - 187kΩ - 191kΩ - 196kΩ
86
+- 200kΩ - 210kΩ - 215kΩ - 220kΩ - 221kΩ - 232kΩ - 237kΩ - 240kΩ - 243kΩ - 249kΩ - 270kΩ - 274kΩ - 280kΩ - 287kΩ - 294kΩ
87
+- 300kΩ - 301kΩ - 316kΩ - 330kΩ - 332kΩ - 360kΩ - 365kΩ - 383kΩ - 390kΩ - 392kΩ
88
+- 430kΩ - 453kΩ - 470kΩ - 475kΩ - 487kΩ - 499kΩ
89
+- 510kΩ - 511kΩ - 523kΩ - 536kΩ - 549kΩ - 560kΩ - 576kΩ
90
+- 604kΩ - 620kΩ - 680kΩ - 681kΩ - 732kΩ - 750kΩ - 768kΩ - 806kΩ - 820kΩ - 845kΩ - 910kΩ
91
+- 1MΩ - 1.1MΩ - 1.2MΩ - 1.3MΩ - 1.5MΩ - 1.6MΩ - 1.8MΩ - 2MΩ - 2.2MΩ - 2.4MΩ - 2.7MΩ - 3MΩ - 3.3MΩ - 3.6MΩ - 3.9MΩ - 4.3MΩ - 4.7MΩ
92
+- 5.1MΩ - 5.6MΩ - 6.2MΩ - 6.8MΩ - 7.5MΩ - 8.2MΩ - 9.1MΩ - 10MΩ - 12MΩ - 15MΩ - 20MΩ
64 93
94
+- [[resistor-feedback-dat]]
65 95
66 96
67 97
## ref
BOM-DAT/Resistor-Dat/resistor-feedback-dat/resistor-feedback-dat.md
... ...
@@ -35,6 +35,20 @@ R3 = 13.633K or below 13.3K for 5.2V
35 35
36 36
https://www.digikey.cn/zh/resources/conversion-calculators/conversion-calculator-parallel-and-series-resistor
37 37
38
+
39
+## 1.205 x ( 1 + R4 ∕ R5) parallel
40
+
41
+| R1 | R2 | Rsum |
42
+| ---- | ---- | -------- |
43
+| 2M | 820K | 581K |
44
+| **2M** | **845K** | **594K** |
45
+| 1.8M | 845K | 575K |
46
+| 1.6M | 910K | 580K |
47
+| 2M | **1.8M** | **947K** |
48
+| **1.2M** | | 1.2M |
49
+| 2M | | 2M |
50
+
51
+
38 52
2x 1.88 MΩ in parallel ≈ 940 kΩ.
39 53
40 54
1 MΩ and 15.67 MΩ in parallel ≈ 940 kΩ.
... ...
@@ -43,6 +57,7 @@ https://www.digikey.cn/zh/resources/conversion-calculators/conversion-calculator
43 57
44 58
3x 3.9 MΩ resistors in parallel = 1.3 MΩ
45 59
60
+## 1.205 x ( 1 + R4 ∕ R5) series
46 61
47 62
for - [[LFP-dat]]
48 63
... ...
@@ -57,6 +72,29 @@ for - [[li-battery-dat]]
57 72
= 16.8 / 1.205 - 1 = 12.93, R4 = 12.93 ⅹ R5, if R5 = 100k, R4 = 1293k, use 1.2M + 100k in series
58 73
= 25.2 / 1.205 - 1 = 19.9, R4 = 19.9 ⅹ R5, if R5 = 100k, R4 = 1990k, use 2M
59 74
75
+8.4V
76
+- if R5 = 100k, R4 = 576k, voltage = 1.205 x (1 + 576k / 100k) = 8.14V
77
+- if R5 = 100k, R4 = 604k, voltage = 1.205 x (1 + 604k / 100k) = 8.48V
78
+
79
+- if R5 = 110k, R4 = 576k, voltage = 1.205 x (1 + 576k / 110k) = 7.515V
80
+- if R5 = 95.3k, R4 = 576k, voltage = 1.205 x (1 + 576k / 95.3k) = 8.488V
81
+- if R5 = 97.6k, R4 = 576k, voltage = 1.205 x (1 + 576k / 97.6k) = 8.316
82
+
83
+12.6V
84
+- if R5 = 97.6k, voltage = 12.6V, R4 = (12.6 / 1.205 - 1) * R5 = 946k, use 923k
85
+- if R5 = 97.6k, R5 = 910K, voltage = 1.205 x (1 + 910k / 97.6k) = 12.44V
86
+
87
+16.8V
88
+- if R5 = 97.6k, voltage = 16.8V, R4 = (16.8 / 1.205 - 1) * R5 = 1263k, use 1.2M
89
+- if R5 = 97.6k, R4 = 1.2M, voltage = 1.205 x (1 + 1200k / 97.6k) = 16.02V
90
+
91
+| R4 | R5 | target Vout | actual Vout |
92
+| ----------------- | ------- | ----------- | ----------- |
93
+| 576K 1% + 13K 5% | 100K 1% | 8.4V | 8.3 |
94
+| 940K 1% + 4.7K 5% | 100K 1% | 12.6V | 12.59 |
95
+| 1.2M 1% + 47K 5% | 100K 1% | 16.8V | 16.26 |
96
+| 1.9M 1% + 47K 5% | 100K 1% | 25.2V | 24.1 |
97
+
60 98
61 99
## CN3722
62 100
... ...
@@ -65,7 +103,7 @@ Vbat = 2.416 × (1 + R7 / R6)
65 103
where R7 = 14K
66 104
67 105
| Battery Type | Vfb (kΩ) | Output Voltage (V) |
68
-|--------------|----------|--------------------|
106
+| ------------ | -------- | ------------------ |
69 107
| LIFEPO4 | 28.7 | 3.6 |
70 108
| LIFEPO4 | 7.5 | 7.2 |
71 109
| LIFEPO4 | 4.02 | 10.8 |
BOM-DAT/capacitor-dat/capacitor-dat.md
... ...
@@ -162,6 +162,22 @@ The capacitor blocks DC from the source, letting only the AC audio signal pass.
162 162
- 4.7uF_±10%_50V (50只)
163 163
164 164
165
+## C0805
166
+
167
+- **100NF / 50V**
168
+- **1UF / 16V**
169
+- **10UF / 10V**
170
+
171
+
172
+## C1206
173
+
174
+- **22UF / 35V**
175
+- **22UF / 50V**
176
+- **100UF / 10V**
177
+
178
+
179
+
180
+
165 181
## ref
166 182
167 183
Chip-cn-dat/CONSONANCE-dat/CN3305-dat/CN3305-dat.md
... ...
@@ -18,7 +18,7 @@
18 18
- including low voltage detection
19 19
- [[battery-protection-dat]] - short circuit - [[SCP-protection-dat]]
20 20
21
-
21
+输入电压范围：2.7V 到 6.5V
22 22
23 23
24 24
## ref
app-dat/RC-dat/FPV-dat/FPV-dat.md
... ...
@@ -235,13 +235,13 @@ In FPV drones, the **wheelbase** refers to the **diagonal distance between the c
235 235
236 236
### 📏 Common FPV Drone Wheelbase Categories
237 237
238
-| Size Category | Typical Wheelbase | Prop Size | Usage | |
239
-| -------------- | ----------------- | --------- | -------------------------------- | ------------------ |
240
-| **Tiny Whoop** | 65–75 mm | 31–40 mm | Indoor, safe micro flying | Meteor75, Aquila16 |
241
-| **Micro** | 85–120 mm | 2"–2.5" | Indoor/outdoor, cinewhoop | BEE25, Pavo25, Pavo20 = 90mm |
242
-| **Mini** | 130–180 mm | 3"–4" | Freestyle, racing | |
243
-| **Standard** | 200–250 mm | 5" | Freestyle, long-range, cinematic | |
244
-| **Large** | 250+ mm | 6"+ | Long-range, heavy payloads | |
238
+| Size Category | Typical Wheelbase | Prop Size | Usage | |
239
+| -------------- | ----------------- | --------- | -------------------------------- | ---------------------------- |
240
+| **Tiny Whoop** | 65–75 mm | 31–40 mm | Indoor, safe micro flying | Meteor75, Aquila16 |
241
+| **Micro** | 85–120 mm | 2"–2.5" | Indoor/outdoor, cinewhoop | BEE25, Pavo25, Pavo20 = 90mm |
242
+| **Mini** | 130–180 mm | 3"–4" | Freestyle, racing | |
243
+| **Standard** | 200–250 mm | 5" | Freestyle, long-range, cinematic | |
244
+| **Large** | 250+ mm | 6"+ | Long-range, heavy payloads | |
245 245
246 246
247 247
---
... ...
@@ -255,6 +255,20 @@ In FPV drones, the **wheelbase** refers to the **diagonal distance between the c
255 255
256 256
- [[FPV-load-dat]]
257 257
258
+
259
+
260
+## FPV by size
261
+
262
+| model | wheelbase | prop size | description | price | carry weight |
263
+| -------------------- | --------- | --------- | ----------- | ----- | ------------ |
264
+| [[Meteor75-dat]] | 75 | 1.6-inch | micro-whoop | | |
265
+| [[Meteor75-dat]] pro | | 2-inch | micro-whoop | | |
266
+| [[Pavo20-dat]] | 90 | 2-inch | micro-whoop | | ~35–45 g |
267
+| [[mobula8-dat]] | 85 | 2.3-inch | micro-whoop | | ~35–45 g |
268
+| [[BEE25-dat]] | 120 | 2.5-inch | cinewhoop | | ~60–120 g |
269
+| [[Pavo25-dat]] | 108 | 2.5-inch | cinewhoop | | ~60–120 g |
270
+
271
+
258 272
## ref
259 273
260 274
- [[FPV]]
... ...
\ No newline at end of file
power-dat/battery-holder-dat/2025-08-30-16-22-09.png
... ...
Binary files /dev/null and b/power-dat/battery-holder-dat/2025-08-30-16-22-09.png differ
power-dat/battery-holder-dat/battery-holder-dat.md
... ...
@@ -3,4 +3,6 @@
3 3
4 4
- [[CR2032-holder-dat]] - [[AA-battery-holder-dat]] - [[18650-battery-holder-dat]]
5 5
6
+## 18650 battery holder
6 7
8
+![](2025-08-30-16-22-09.png)
power-dat/battery-pack-dat/battery-pack-dat.md
... ...
@@ -21,6 +21,10 @@
21 21
22 22
## 🔋 Common Lithium Battery Pack Combinations
23 23
24
+- 2S = 8.4V
25
+- 3S = 12.6V
26
+- 4S = 16.8V
27
+
24 28
25 29
| Configuration | Voltage (V) | Full Charge Voltage (V) | Description |
26 30
| ------------- | --------------- | ----------------------- | ------------------------------------- |