Your pal in plant care! This adorable device uses capacitive sensing to measure soil moisture. Its low-power e-paper display keeps you updated without draining energy. Plus, with the BME688 sensor, it is able to monitor air quality and CO2 levels, ensuring your plants thrive in optimal conditions.

Specification:

• ESP32-C6FH4: ESP32-C6 with 4 MB in-package flash
• AEM10941: Solar energy harvesting
• USB-C for charging and programming
• ~21uA Deep-Sleep
• 1.54 Inch E-Paper Display
• Sensor:
  • BME688 for Environmental Sensing
  • Built-in Soil Moisture sensor
  • Battery voltage sensing
• 500mA charge rate via USB
• 3.7 Volts LiPo Battery

Link to project

Teapotlabs Feather RAK3172 is a Low-cost Low-Power LoRaWAN Development Board. It breaks out RAKwireless RAK3172 to an Adafruit Feather-compatible format.

Specification:

• RAK3172: An STM32WLE5CC module
• 3.3V only power/pin.
• Up to 12uA Deep-Sleep
• Switchable TX Power. 14 dBm or 22 dBm on 915MHz frequency
• Supports LoRaWAN 1.0.3
• USB-C for Arduino and Mbed OS/STM32Cube programming
• SMA antenna connector
• JST-PH 2-Pin Battery Connector
• Built-in LiPo Charger ( 200mA Charge Rate )
• Voltage-Divider for Battery Monitoring ( default: disabled )
• LED Indicator on pin 8 ( default: disabled )
• Compatible with many Adafruit FeatherWings
• Max 1A power output

Link to project

Teapotlabs BWLR3D is an Asset Tracker and Environmental Sensor with Solar Energy Harvesting.
Specification:

• RAK3172 An STM32WLE5CC module
• AEM10941: Solar energy harvesting chip
• On-board sensors:
  • L86-M33: GNSS module
  • LSM6DSOX: Accelerometer and Gyrometer
  • LIS3MDL: Magnetometer
  • VEML7700: Ambient Light Intensity meter
  • BME688: Environmental sensor
• 3.3V only power/pin.
• 12uA Deep-Sleep
• Switchable TX Power. 14 dBm(50mA) or 22 dBm(140mA)
• Supports LoRaWAN 1.0.3
• 1KM+ Range
• 3.7 Volts LiPo Battery

Link to project

Battery-powered Wireless LoRa Environmental Sensor with Energy Harvesting from Solar Energy
Specification:

• RAK3172: An STM32WLE5CC module
• AEM10941: Solar energy harvesting
• 3.3V only power/pin.
• 3uA Deep-Sleep
• BME68x for Environmental Sensing
• Switchable TX Power. 14 dBm(50mA) or 22 dBm(140mA)
• Supports LoRaWAN 1.0.3
• ~1KM Range
• 3.7 Volts LiPo Battery

Link to project

Battery-powered Wireless LoRa Environmental Sensor with On-board Antenna
Specification:

• RAK3172: STM32WLE5CC module
• 3.3V only power/pin.
• 2uA Deep-Sleep
• BME68x for Environmental Sensing
• Switchable TX Power. 14 dBm(50mA) or 22 dBm(140mA)
• Supports LoRaWAN 1.0.3
• ~1KM Range
• CR2450 battery holder xor AA battery holder

Link to project

Battery-powered Wireless LoRa Environmental Sensor with External Antenna
Specification:

• RAK3172: STM32WLE5CC module
• 3.3V only power/pin.
• 2uA Deep-Sleep
• BME68x for Environmental Sensing
• Switchable TX Power. 14 dBm(50mA) or 22 dBm(140mA)
• Supports LoRaWAN 1.0.3
• 1KM+ Range
• SMA antenna connector
• CR2450 battery holder xor AA battery holder

Link to project

We are a team of makers and innovators who design and build open-source hardware that anyone can build. Our goal is to make technology accessible to everyone and inspire creativity and innovation around the world

The hardware we design, build, and tested comes from our own pocket. Any contribution is welcome to keep us innovating free open-source hardware!

Thanks in advance to all of you!