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Boards by h0lad

4 boards

Open-source boards designed in KiCad by h0lad on GitHub, from 4 repositories. A board’s address here is its repository’s there.

  • 4 layers66.9 × 87 mmMeshtasticNode BQ25185, the printed circuit board in 3D

    MeshtasticNode BQ25185

    h0lad/SolarMeshtasticNode

    This is a Meshtastic Solar Node PCB based on the Heltec HT-CT62 and the linear solar charge controller TI BQ25185.

    49 parts40CERN-OHL-S-2.0
  • 4 layers48 × 45.5 mmLoRaHarvesterBox, the printed circuit board in 3D

    LoRaHarvesterBox

    h0lad/LoRaHarvesterBox

    PCB integrating a ST STM32WLE5CC and TI BQ25570 energy harvester. Ideal platform for ultra-low-power LoRa(WAN) nodes projects.

    46 parts11CERN-OHL-S-2.0
  • 4 layers51.6 × 60.6 mmLoRaPowerBox, the printed circuit board in 3D

    LoRaPowerBox

    h0lad/LoRaPowerBox

    The LoRaPowerBox combines the Heltec HT-CT62 module (ESP32C3 + Semtech SX1262) with a TI BQ25628E wide-range charger. Main target is IoT projects that deliver data over LoRa and/or Wifi utilizing solar power.

    54 parts8CERN-OHL-S-2.0
  • 4 layers30.7 × 51.7 mmSmallSpeedController, the printed circuit board in 3D

    SmallSpeedController

    h0lad/MiniSpeedController

    MiniSpeedController is a dual DC motor controller based on a WCH CH32V003F RISC-V Microcontroller and two TI DRV8837DSGR. It consumes two encoder inputs and is controllable using an USART via simple TLV commands.

    37 parts7CERN-OHL-S-2.0