Discover @har-in-air Open Source projects

Hari Nair (@har-in-air)

har-in-air

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Registered about 10 years ago
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Location 🇮🇳 India
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484

STM32F411_USB_AUDIO_DAC

USB Audio DAC using inexpensive STM32F411 / 401 "Black Pill" and PCM5102A modules

ESP32_IMU_BARO_GPS_VARIO

GPS altimeter/variometer with LCD display, routes with waypoints, data/gps track logging, bluetooth NMEA sentence transmission, wifi AP + webpage configuration

Jupyter Notebook

ESP32-LCD-I2S

Espressif ESP32 driving a controller-less monochrome lcd with parallel I2S bus

Kalmanfilter_altimeter_vario

Kalman filter to estimate altitude and climbrate(sinkrate) by fusing altitude and acceleration sensor data

ESP32-WROOM32-Eagle-Breakout

Breakout board for ESP32 WROOM32 module

ESP8266_BLUETOOTH_AUDIO_VARIO

A bluetooth audio vario with zero-lag climb/sink rate feedback. Configurable and firmware upgradable via WiFi. Uses off-the-shelf modules. Schematic and PCB layout provided.

ESP32_MULTI_METER

ESP32 Multi-meter : Current and voltage meter using an INA226 sensor, frequency counter and generator

ESP32_IMU_BARO_GPS_LOGGER

ESP32 high-speed flash data logger for IMU (accelerometer+gyro+magnetometer), GPS, pressure sensor readings.

ESP8266_MPU9250_MS5611_VARIO

DIY friendly, cheap, accurate, fast responding WiFi-configurable audio variometer using easily available modules

SIPEED_TANG_PRIMER

Projects using the Sipeed Tang Primer FPGA development board

STM32_CODE_EXAMPLES

Code examples demonstrating usage of peripherals and features on STM32 Cortex micro-controllers

FPGA_STEREO_CROSSOVER

Stereo digital 2-way crossover filters processing I2S audio (16bit or 24bit) streams

ESP32C3_BLUETOOTH_AUDIO_VARIO

ESP32-C3 audio vario using Kalman filter to fuse acceleration and pressure sensor data. Bluetooth transmission of LK8EX1 sentences.

ov7670fifo

ESP32 web server displaying frames from a 'OV7670+AL422 FIFO' camera module

ESP32_WROVER_BREAKOUT

Breadboard compatible breakout PCB for ESP32-WROVER with TPS82140 power supply

ESP32_ASYNC_WEB_SERVER_SPIFFS_OTA

Demo of ESP32 Async Web Server for webpage access and OTA firmware updates, SPIFFS hosted html and css files, DNS for user friendly webpage url. Visual Studio Code + PlatformIO project.

ESP8266_MAX30102_SPO2_PULSE_METER

ESP8266 SPO2 and Pulse meter using MAX30102 sensor

ESP8266_SPO2_PULSE_LOGGER

Displays SPO2 & heart-rate measurements from a MAX30102 sensor on an OLED display and logs the data in real-time to a Thingspeak channel

VhARIO-ESPC3

Kicad schematic and layout for ESP32-C3 + MPU9250 + MS5611 audio vario

STM32F103_MAX21105_MS5611_VARIO

Basic altimeter/variometer that fuses accelerometer and barometric sensor data to minimize response lag.

ms5611

MEAS MS5611 pressure sensor library for altitude / variometer applications, uses floating point for better resolution

FT2232H_CODE_EXAMPLES

Ubuntu and Windows 10 console applications using FT2232HL USB adapter to communicate with SPI and I2C slave devices

ESP32_AUTO_WATER

ESP32-C3 automatic plant watering system using capacitive moisture sensor and DS3231 real-time clock. Logs watering history to Google Sheets document. Configurable and firmware upgradable via standalone WiFi Access Point and webserver.

ESP8266_ARDUINO_AP_OTA

OTA firmware update of ESP8266 by setting up as WiFi AP

MS5611_I2C_ARDUINO

Arduino compatible MS5611 class using I2C interface and floating point pressure and altitude computation

STM32F4-EXAMPLE_CODE