Open Source Projects

Software for Your Open Hardware

Make Your Hardware Do What You Want.

Browse firmware, automations, and community projects that unlock what your boards can really do. Home automation, mesh networks, environmental sensors — flash it, build it, own it.

 

Bee Minder — LoRaWAN Environmental Monitor on Grasshopper

Ultra-compact 18x18mm environmental monitor by Kris Winer for beehives, greenhouses, and birdhouses with BME280, BMA400, and VEML6075 sensors, transmitting via LoRaWAN.

full-build
Environmental Monitoringiot

Grasshopper TTN Ultrasonic Sensor Node

Grasshopper TTN Ultrasonic Sensor Node

Low-power LoRaWAN sensor node using the Grasshopper development board with an MB1242 ultrasonic distance sensor, transmitting readings to The Things Network with 30-minute deep sleep intervals.

Tutorial
Environmental Monitoringiot

LoRaWAN Birdhouse with Grasshopper

Solar-powered LoRaWAN birdhouse using the Grasshopper board to monitor bird activity via a load cell, transmitting weight, temperature, and battery voltage to TTN and Datacake.

full-build
Environmental Monitoringiot

CMWX1ZZABZ Arduino Sketches for Grasshopper

CMWX1ZZABZ Arduino Sketches for Grasshopper

Collection of Arduino sketches for the Grasshopper LoRaWAN board including LoRaWAN test, IMU sensor fusion with LSM6DSM/LIS2MDL/LPS22HB, RTC, DAC/ADC, and I2C slave examples.

library
iotEnvironmental Monitoring

Hackable CMWX1ZZABZ LoRa Devices — Grasshopper Open Hardware Project

Hackable CMWX1ZZABZ LoRa Devices — Grasshopper Open Hardware Project

Open hardware project documenting the Grasshopper, LoRaSensorTile, and Cricket boards built on the CMWX1ZZABZ module, with schematics, BOM, and design files on Hackaday.io.

full-build
iot

ArduinoCore-stm32l0 — Arduino Core for Grasshopper LoRaWAN Boards

Arduino core providing native LoRaWAN stack support for CMWX1ZZABZ-based boards including the Grasshopper, enabling sketch development without AT commands via USB programming.

library
iot

Zephyr RTOS — Scalable Real-Time Operating System for IoT

Zephyr RTOS — Scalable Real-Time Operating System for IoT

Open-source RTOS under the Linux Foundation supporting 500+ boards across ARM, RISC-V, x86, and Xtensa architectures. Features multi-threading, BLE 5.0 mesh, native networking stack, and power management for resource-constrained IoT devices.

nRF52840nRF5340nRF9160STM32ESP32ESP32-S3ESP32-C3RP2040CC1352RISC-Vfirmware
iotwearablesIndustrial Automation+4 more

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