Chip-dat/SemTech-dat/SemTech-dat.md
... ...
@@ -3,10 +3,31 @@
3 3
4 4
- [[LR1121-dat]]
5 5
6
-- [[SX1302-dat]]
6
+- [[SX1302-dat]] == [[lora-gateway-dat]]
7 7
8 8
https://www.semtech.com/products/wireless-rf
9 9
10
+- [[SX1262-dat]] == [[Lora-front-end-dat]]
11
+
12
+| Feature | SX1262 | SX1302 |
13
+| ------------------------- | -------------------------------------- | ----------------------------------------- |
14
+| **Type** | LoRa Transceiver (RF front-end) | LoRa Baseband Gateway Chip |
15
+| **Application** | End devices (nodes, sensors, modules) | Gateways (concentrators, base stations) |
16
+| **Frequency Bands** | 150–960 MHz (sub-GHz ISM bands) | 400–510 MHz, 862–1020 MHz |
17
+| **Modulation** | LoRa, (G)FSK, (G)MSK, BPSK | LoRa, FSK |
18
+| **Transmit Power** | Up to +22 dBm | N/A (no RF front-end, baseband only) |
19
+| **Receive Sensitivity** | Down to -148 dBm (LoRa) | N/A (handled by external RF front-end) |
20
+| **Channels** | Single channel | 8 LoRa channels + 2 FSK channels |
21
+| **LoRa Spreading Factor** | SF5 to SF12 | SF5 to SF12 |
22
+| **Data Rate** | Up to 62.5 kbps (LoRa) | Up to 500 kbps (aggregate, multi-channel) |
23
+| **Current Consumption** | 4.2 mA RX, 28 mA TX @ +14 dBm | <16 mA (core), <70 mA (full gateway) |
24
+| **Package** | QFN 24 | QFN 68 |
25
+| **Key Features** | Low power, integrated TCXO, small size | Multi-channel, high capacity, low power |
26
+| **Typical Use** | IoT sensors, remote controls, trackers | LoRaWAN gateways, network infrastructure |
27
+
28
+
29
+
30
+
10 31
## ref
11 32
12 33
- [[lora-dat]]
... ...
\ No newline at end of file
Shipment-dat/countries-dat/Italy-dat/Italy-dat.md
... ...
@@ -9,4 +9,10 @@
9 9
10 10
- cost == 40 usd
11 11
12
-- [[remote-address-dat]] please check the zip code for remote address
... ...
\ No newline at end of file
0
+- [[remote-address-dat]] please check the zip code for remote address
1
+
2
+
3
+
4
+## ref
5
+
6
+- [[PFC]]
... ...
\ No newline at end of file
Tech-dat/Network-dat/mqtt-dat.md
... ...
@@ -14,10 +14,13 @@
14 14
15 15
## MQTT broker on ubuntu
16 16
17
-sudo apt install -y mosquitto
17
+install service and check status
18 18
19
-sudo systemctl status mosquitto
19
+ sudo apt install -y mosquitto
20 20
21
+ sudo systemctl status mosquitto
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+
23
+more systemctl check
21 24
22 25
- Stop the mosquitto service:
23 26
- $ sudo systemctl stop mosquitto
... ...
@@ -26,8 +29,9 @@ sudo systemctl status mosquitto
26 29
- Restart the mosquitto service:
27 30
- $ sudo systemctl restart mosquitto
28 31
29
-### Log file
30
-* cat /var/log/mosquitto/mosquitto.log
32
+Log file
33
+
34
+ cat /var/log/mosquitto/mosquitto.log
31 35
32 36
## Conf Setup list
33 37
allow_anonymous false // not allow anonymous
Tech-dat/Network-dat/network-system-dat/TCPIP-dat/TCPIP-dat.md
... ...
@@ -0,0 +1,45 @@
1
+
2
+# TCPIP-dat
3
+
4
+
5
+## tools
6
+
7
+### 1. Netcat (nc) == Cross-platform or Windows
8
+- Type: Command-line
9
+- Supports: TCP and UDP
10
+- Platforms: Linux, macOS, Windows (via `ncat`)
11
+
12
+Example (TCP listener):
13
+
14
+ nc -l -p 5000
15
+
16
+Example (send TCP):
17
+
18
+ echo "Hello" | nc 127.0.0.1 5000
19
+
20
+## TCP server python script
21
+
22
+ # tcp_server.py
23
+ import socket
24
+
25
+ HOST = '0.0.0.0' # Listen on all interfaces
26
+ PORT = 5000 # Change as needed
27
+
28
+ server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
29
+ server_socket.bind((HOST, PORT))
30
+ server_socket.listen()
31
+
32
+ print(f"Listening on {HOST}:{PORT}...")
33
+
34
+ conn, addr = server_socket.accept()
35
+ print(f"Connected by {addr}")
36
+
37
+ while True:
38
+ data = conn.recv(1024)
39
+ if not data:
40
+ break
41
+ print("Received:", data.decode())
42
+ conn.sendall(b'ACK: ' + data) # Send back confirmation
43
+
44
+ conn.close()
45
+
Tech-dat/Network-dat/network-system-dat/meshtastic-dat/meshtastic-dat.md
... ...
@@ -0,0 +1,35 @@
1
+
2
+# meshtastic-dat
3
+
4
+https://github.com/meshtastic/firmware
5
+
6
+
7
+## flash
8
+
9
+https://meshtastic.org/docs/getting-started/flashing-firmware/esp32/
10
+
11
+🗃️ ESP32 Device == [[ESP32-dat]]
12
+
13
+🗃️ nRF52/RP2040 Device = [[NRF52-dat]] - [[RP2040-dat]]
14
+
15
+- [[MCU-dat]]
16
+
17
+[Web Flasher](https://flasher.meshtastic.org/)
18
+
19
+## configuration
20
+
21
+[bluetooth and android app ](https://meshtastic.org/docs/category/android-app/)
22
+
23
+Open the Meshtastic Web interface: client.meshtastic.org
24
+
25
+CLI
26
+
27
+Install Meshtastic PythonCLI
28
+
29
+ pip3 install --upgrade pytap2
30
+ pip3 install --upgrade meshtastic
31
+
32
+
33
+## hardware
34
+
35
+- [[nRF52840-dat]] - [[SX1262-dat]] - [[Semtech-dat]]
... ...
\ No newline at end of file
Tech-dat/Network-dat/network-system-dat/network-system-dat.md
... ...
@@ -0,0 +1,11 @@
1
+
2
+# network-system-dat
3
+
4
+
5
+
6
+- [[meshtastic-dat]] == [[lora-dat]] based
7
+
8
+- [[TCPIP-dat]] and optional [[UDP-dat]] == [[internet-dat]] based
9
+
10
+
11
+- [[MQTT-dat]] == [[internet-dat]] based
Tech-dat/opensource-dat/opensource-dat.md
... ...
@@ -3,8 +3,18 @@
3 3
4 4
## best projects
5 5
6
-- [[ardupilot-dat]] - [[openpnp-dat]]
7 6
7
+- [[meshtastic-dat]]
8
+
9
+- [[openpnp-dat]]
10
+
11
+- [[ardupilot-dat]]
12
+
13
+- [[MPC1073-dat]]
14
+
15
+- [[openhab-dat]] - [[home-assistant-dat]] - [[openwrt-dat]] - [[freertos-dat]]
16
+
17
+
8 18
9 19
10 20
## ref
... ...
\ No newline at end of file
Tech-dat/tech-dat.md
... ...
@@ -130,8 +130,14 @@
130 130
131 131
## Systematic
132 132
133
--[[control-system-dat]]
133
+- [[control-system-dat]]
134 134
135
+- [[opensource-dat]]
135 136
137
+## Info
136 138
137 139
Any interetest demo please contact me to enquiry.
140
+
141
+## ref
142
+
143
+- [[m]]
... ...
\ No newline at end of file
app-dat/E-Bike-dat/E-Bike-dat.md
... ...
@@ -1,3 +0,0 @@
1
-
2
-# E-Bike-dat
3
-
app-dat/RC-dat/rover-dat/app-remote-rover-dat/app-remote-rover-dat.md
... ...
@@ -0,0 +1,7 @@
1
+
2
+# app-remote-rover-dat
3
+
4
+## features
5
+
6
+- automatically cutoff power when rover is not in use
7
+- automatically power on rover when remote is in use
... ...
\ No newline at end of file
app-dat/gadget-dat/EDC-dat/EDC-dat.md
... ...
@@ -1,6 +1,8 @@
1 1
2 2
# EDC-dat
3 3
4
+== [[portable-lights-dat]]
5
+
4 6
An "EDC light" refers to an **Everyday Carry flashlight**.
5 7
6 8
It's a small, portable flashlight designed to be carried on one's person daily, typically in a pocket, on a keychain, or in a bag.
app-dat/gadget-dat/EDC-dat/portable-lights-dat/portable-lights-dat.md
... ...
@@ -0,0 +1,37 @@
1
+
2
+# portable-lights-dat
3
+
4
+== [[EDC-dat]]
5
+
6
+
7
+| Brand | Best For | Notable Features |
8
+|---------------|-------------------------------------------|------------------------------------------------------|
9
+| Fenix | High-performance flashlights | Military-grade durability, long battery life |
10
+| Olight | EDC (Everyday Carry), tactical, camping | Magnetic charging, sleek design, great UI |
11
+| Nitecore | Tactical, EDC, photography | USB-C charging, high lumen-to-size ratio |
12
+| Acebeam | Ultra-bright, high-end lights | 20000+ lumen monsters, great thermal control |
13
+| ThruNite | Budget-friendly quality | Excellent value, reliable performance |
14
+| Streamlight | Law enforcement, industrial | Rugged, trustworthy, many regulated output models |
15
+| Black Diamond | Headlamps, outdoor, hiking | Lightweight, adjustable beam patterns |
16
+| Petzl | Professional headlamps, climbing | Great ergonomics and battery management |
17
+| BioLite | Eco-friendly camping lights | Rechargeable + solar options, multifunctional gear |
18
+| Anker | Power banks with lights, budget options | Reliable, affordable, widely available |
19
+
20
+
21
+
22
+
23
+## 🔦 Best Overall for Most Users
24
+
25
+Fenix PD36R Pro – Excellent balance of brightness, runtime, and rugged build.
26
+
27
+Olight Baton 3 Pro – Small, super bright, with a wireless charging case.
28
+
29
+Nitecore MH12 Pro – USB-C, 3300 lumens, and excellent beam quality.
30
+
31
+
32
+
33
+## ref
34
+
35
+- [[light-density-dat]]
36
+
37
+- [[app-dat]]
... ...
\ No newline at end of file
app-dat/portable-lights-dat/portable-lights-dat.md
... ...
@@ -1,35 +0,0 @@
1
-
2
-# portable-lights-dat
3
-
4
-
5
-| Brand | Best For | Notable Features |
6
-|---------------|-------------------------------------------|------------------------------------------------------|
7
-| Fenix | High-performance flashlights | Military-grade durability, long battery life |
8
-| Olight | EDC (Everyday Carry), tactical, camping | Magnetic charging, sleek design, great UI |
9
-| Nitecore | Tactical, EDC, photography | USB-C charging, high lumen-to-size ratio |
10
-| Acebeam | Ultra-bright, high-end lights | 20000+ lumen monsters, great thermal control |
11
-| ThruNite | Budget-friendly quality | Excellent value, reliable performance |
12
-| Streamlight | Law enforcement, industrial | Rugged, trustworthy, many regulated output models |
13
-| Black Diamond | Headlamps, outdoor, hiking | Lightweight, adjustable beam patterns |
14
-| Petzl | Professional headlamps, climbing | Great ergonomics and battery management |
15
-| BioLite | Eco-friendly camping lights | Rechargeable + solar options, multifunctional gear |
16
-| Anker | Power banks with lights, budget options | Reliable, affordable, widely available |
17
-
18
-
19
-
20
-
21
-## 🔦 Best Overall for Most Users
22
-
23
-Fenix PD36R Pro – Excellent balance of brightness, runtime, and rugged build.
24
-
25
-Olight Baton 3 Pro – Small, super bright, with a wireless charging case.
26
-
27
-Nitecore MH12 Pro – USB-C, 3300 lumens, and excellent beam quality.
28
-
29
-
30
-
31
-## ref
32
-
33
-- [[light-density-dat]]
34
-
35
-- [[app-dat]]
... ...
\ No newline at end of file
app-dat/vehicle-dat/E-Bike-dat/E-Bike-dat.md
... ...
@@ -0,0 +1,3 @@
1
+
2
+# E-Bike-dat
3
+