| ESP32 IO PIN | Function | Direction | BME280 | BQ27441-G1 | Comment |
|---|---|---|---|---|---|
| 13 | Application Push button 1 | IN | N/A | N/A | Pull down push button |
| 15 | LED Green | OUT | N/A | N/A | LED |
| 16 | LED RED | OUT | N/A | N/A | LED |
| 26 | SCL | OUT | PAD 4 | PIN 2 | I2C |
| 27 | SDA | OUT | PAD 3 | PIN 1 | I2C |
| 21 | GPOUT | IN | N/A | PIN 12 | This open-drain output can be configured to indicate BAT_LOW |
Suru Dissanaike suru-dissanaike
suru-dissanaike
/ nginx.conf
Last active
August 27, 2019 10:15
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| server { | |
| listen 443 ssl; | |
| listen [::]:443 ssl; | |
| root /home/sudi/code/himinds-boosting-innovation-web-secure-cra/hn-app/build; | |
| index index.html index.htm; | |
| server_name MY_DOMAIN; | |
| ssl_certificate /home/sudi/certbot/etc/live/MY_DOMAIN/fullchain.pem; | |
| ssl_certificate_key /home/sudi/certbot/etc/live/MY_DOMAIN/privkey.pem; | |
| location ~* \.(?:manifest|appcache|html?|xml|json)$ { |
suru-dissanaike
/ gpio.md
Last active
August 28, 2019 07:25
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| // Imports the Google Cloud client library | |
| const {BigQuery} = require('@google-cloud/bigquery'); | |
| // Your Google Cloud Platform project ID | |
| const projectId = 'bigquery-242619'; | |
| const datasetId = "test_data"; | |
| const tableId = "raw_data"; | |
| const bqTimestamp = BigQuery.timestamp(new Date()); |
suru-dissanaike
/ mos.yml
Last active
May 1, 2019 15:54
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| config_schema: | |
| - ["i2c.enable", true] | |
| - ["i2c.scl_gpio", 26] | |
| - ["i2c.sda_gpio", 27] | |
| - ["wifi.ap.enable", false] | |
| - ["wifi.sta.enable", true] | |
| - ["wifi.sta.ssid", "YOUR-SSID"] | |
| - ["wifi.sta.pass", "YOUR-PASSKEY"] | |
| - ["mqtt.server", "YOUR-BROKER-IP:8883"] | |
| - ["mqtt.enable", true] |
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| pid_file /var/run/mosquitto.pid | |
| persistence true | |
| persistence_location /var/lib/mosquitto/ | |
| log_dest file /var/log/mosquitto/mosquitto.log | |
| listener 8883 | |
| cafile /etc/mosquitto/certs/ca.crt | |
| certfile /etc/mosquitto/certs/server.crt |
suru-dissanaike
/ make-keys.sh
Last active
August 12, 2025 14:52
Create self-signed certificates for Eclipse Mosquitto MQTT broker
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| #!/bin/bash | |
| IP="192.168.1.22" | |
| SUBJECT_CA="/C=SE/ST=Stockholm/L=Stockholm/O=himinds/OU=CA/CN=$IP" | |
| SUBJECT_SERVER="/C=SE/ST=Stockholm/L=Stockholm/O=himinds/OU=Server/CN=$IP" | |
| SUBJECT_CLIENT="/C=SE/ST=Stockholm/L=Stockholm/O=himinds/OU=Client/CN=$IP" | |
| function generate_CA () { | |
| echo "$SUBJECT_CA" | |
| openssl req -x509 -nodes -sha256 -newkey rsa:2048 -subj "$SUBJECT_CA" -days 365 -keyout ca.key -out ca.crt |
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| std::unique_ptr < CommBase > CommFactory::create() { | |
| bool isEmulator = android::base::GetBoolProperty("ro.kernel.qemu", false); | |
| if (isEmulator) { | |
| // return std::make_unique<PipeComm>(); | |
| return std::make_unique < SocketComm > (); | |
| } else { | |
| // return std::make_unique<SocketComm>(); | |
| return std::make_unique < PipeComm > (); | |
| } | |
| } |
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| CC=gcc # gcc || clang | |
| CCOPTIONS = -g -Wall | |
| LIBS = -lmosquitto#-ljson-c | |
| all: mosquitto-demo.o | |
| $(CC) -o mosquitto-demo mosquitto-demo.o $(LIBS) $(CCOPTIONS) |
suru-dissanaike
/ elm327.py
Created
April 11, 2019 17:27
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| import obd | |
| connection = obd.OBD("/dev/rfcomm0") | |
| cmd = obd.commands.RPM | |
| response = connection.query(cmd) | |
| print(response.value) | |
| print(connection.protocol_name()) |
suru-dissanaike
/ .md
Last active
February 13, 2019 20:36
[Feb 13 20:51:19.925] mgos_app_init c-code dual core ver 0.1
[Feb 13 20:51:19.925] mgos_app_init CPU Speed: 240
[Feb 13 20:51:19.925] mgos_app_init Interrupt attached
[Feb 13 20:51:21.942] task_toggle_led core: 1task_other_core
[Feb 13 20:51:21.942] mgos_app_init core: 0app_init done
[Feb 13 20:51:21.942]
[Feb 13 20:51:21.942] mgos_init Init done, RAM: 307692 total, 267056 free, 267056 min free
[Feb 13 20:51:22.934] mongoose_poll New heap free LWM: 267016
[Feb 13 20:51:26.005] interupt_handler_gpi core: 0