Board-dat/DAR/DAR1060-dat/DAR1060-dat.md
... ...
@@ -32,6 +32,8 @@ Serial port sketch uploading via USB
32 32
33 33
## BTB
34 34
35
+blue mark pin 1 - [[12P-BTB-dat]] - [[BTB-dat]] == Version V1
36
+
35 37
![](2025-07-17-15-53-07.png)
36 38
37 39
![](2025-07-17-15-53-56.png)
Chip-dat/SemTech-dat/SX1262-dat/SX1262-dat.md
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@@ -89,6 +89,21 @@
89 89
- [[NRF52840+SX1262-dat]]
90 90
91 91
92
+
93
+## pins
94
+
95
+| | Lora | | status |
96
+| --- | -------- | ---- | -------- |
97
+| | SPI_MOSI | | |
98
+| | SPI_MISO | | |
99
+| | SPI_SCK | | |
100
+| | SPI_CS | low | active |
101
+| | BUSY | high | busy |
102
+| | IRQ | high | asserted |
103
+| | RESET | low | reset |
104
+
105
+
106
+
92 107
## ref
93 108
94 109
- [[semtech-dat]] - [[semtech]] - [[lora-dat]]
Tech-dat/BTB-dat/12P-BTB-dat/12P-BTB-dat.md
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@@ -12,26 +12,49 @@ https://www.electrodragon.com/w/ED-BTB
12 12
13 13
## BTB 12 pins connector
14 14
15
-| ESP32 Pin | Function | Lora |
16
-| --------- | -------- | ---------- |
17
-| IO14 | SPI_SCK | |
18
-| IO12 | SPI_MISO | |
19
-| IO13 | SPI_MOSI | |
20
-| IO15 | SPI_CS | |
21
-| IO4 | IO | LORA_IRQ |
22
-| IO27 | IO | LORA_RESET |
23
-
24
-general wiring
25
-
26
-
27
-| - | - | - | - | - | - | - |
28
-| ------- | --- | ------------ | ------- | ------- | ---- | ---- |
29
-| func | 3V3 | - | - | - | - | - |
30
-| ESP8266 | 3V3 | 5V / IO0 (u) | io13 | io12 | io14 | io16 |
31
-| conn.T | 1 | 3 | 5 | 7 | 9 | 11 |
32
-| conn.B | 2 | 4 | 6 | 8 | 10 | 12 |
33
-| ESP8266 | GND | io15(d) | io4 (u) | io5 (u) | RXD | TXD |
34
-| func | GND | - | - | - | - | - |
15
+lead out pins
16
+
17
+| ESP32 Pin | ESP8266 Pin V2 | ESP8266 set | Function |
18
+| --------- | -------------- | ----------- | --------- |
19
+| +5V | IO0 | u | +5V or IO |
20
+| IO13 | IO13 | | SPI_MOSI |
21
+| IO12 | IO12 | | SPI_MISO |
22
+| IO14 | IO14 | | SPI_SCK |
23
+| IO27 | IO16 | | IO |
24
+| IO15 | IO15 | d | SPI_CS |
25
+| IO21 | IO4 | u | SDA |
26
+| IO22 | IO5 | u | SCL |
27
+
28
+
29
+Version V2
30
+
31
+
32
+| - | - | - | - | - | - | - |
33
+| ------- | --- | ------- | ------- | ------- | ---- | ---- |
34
+| func | 3V3 | - | - | - | - | - |
35
+| ESP8266 | 3V3 | IO0 (u) | io13 | io12 | io14 | io16 |
36
+| conn.T | 1 | 3 | 5 | 7 | 9 | 11 |
37
+| conn.B | 2 | 4 | 6 | 8 | 10 | 12 |
38
+| ESP8266 | GND | io15(d) | io4 (u) | io5 (u) | RXD | TXD |
39
+| func | GND | - | - | - | - | - |
40
+
41
+
42
+
43
+Version V1
44
+
45
+
46
+| - | - | - | - | - | - | - |
47
+| ------- | --- | ------- | ------- | ------- | ---- | ---- |
48
+| func | 3V3 | - | - | - | - | - |
49
+| ESP8266 | 3V3 | 5V | io13 | io12 | io14 | io16 |
50
+| conn.T | 1 | 3 | 5 | 7 | 9 | 11 |
51
+| conn.B | 2 | 4 | 6 | 8 | 10 | 12 |
52
+| ESP8266 | GND | io15(d) | io4 (u) | io5 (u) | RXD | TXD |
53
+| func | GND | - | - | - | - | - |
54
+
55
+
56
+
57
+
35 58
36 59
- note only IO2 not lead out to the connecor
37 60
... ...
@@ -43,12 +66,29 @@ general wiring
43 66
44 67
- [[LORA-HDK-dat]] - [[SX1262-MD1-dat]] - [[SX1262-HDK-dat]] - [[Lora-SDK-dat]]
45 68
69
+
70
+
71
+
46 72
## wiring for [[SX1262-dat]]
47 73
48
-V2
74
+
75
+- [[SPI-dat]] - [[SX1262-dat]]
76
+
77
+| ESP38266 Pin | set | Function | Lora V2 | Lora V1 |
78
+| ------------ | --- | -------- | --------- | -------- |
79
+| IO0 | u | IO | **RESET** | IRQ |
80
+| IO13 | | SPI_MOSI | SPI_MOSI | SPI_MOSI |
81
+| IO12 | | SPI_MISO | SPI_MISO | SPI_MISO |
82
+| IO14 | | SPI_SCK | SPI_SCK | SPI_SCK |
83
+| IO16 | - | IO | BUSY | BUSY |
84
+| IO15 | d | IO | IRQ | CS |
85
+| IO4 | u | IO | CS | TXEN |
86
+| IO5 | u | IO | - | RXEN |
49 87
50 88
51 89
90
+V2
91
+
52 92
| | 1 | 2 | 3 | 4 | 5 | 6 |
53 93
| ------- | --- | ------ | -------- | -------- | ------- | ------ |
54 94
| func | 3V3 | RESET | SPI_MOSI | SPI_MISO | SPI_SCK | BUSY |
Tech-dat/Interface-dat/SPI-dat/SPI-dat.md
... ...
@@ -4,12 +4,12 @@
4 4
- [[74HC125-dat]] == [[logic-level-shifter-dat]]
5 5
6 6
7
-| pin | function | note |
8
-| ---- | -------- | ---------- |
9
-| CLK | | 3-wire SPI |
10
-| MISO | | 3-wire SPI |
11
-| MOSI | | 3-wire SPI |
12
-| CS | | 4-wire SPI |
7
+| pin | active | function | note |
8
+| ---- | ------ | -------- | ---------- |
9
+| CLK | | | 3-wire SPI |
10
+| MISO | | | 3-wire SPI |
11
+| MOSI | | | 3-wire SPI |
12
+| CS | low | | 4-wire SPI |
13 13
14 14
15 15