Browse hardware designs
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Public designs
Motor driver PCB
Try to build an ESP32 firmware with LVGL and ST7789 drivers inside.
32-bit 3D Printer controller board using STM32F407 and replaceable TMC2660/2209 stepper drivers.
Type-A USB 双向电流电压表
No description.
This is a small module that handles the USB PD negotiation and simply outputs a specific DC voltage.
A big QMK powered trackpad
No description.
OpenSource inline USB-PD Power meter
This project is a compact, low-power smart plant monitoring system designed using KiCAD. It integrates an ESP32-C3-WROOM microcontroller with a range of sensors and peripheral interfaces to monitor soil moisture, temperature, and humidity. The system is ideal for IoT-based plant care, home automation, or educational prototyping.
Schematic and PCB for Li-Po charger with power path, power management inputs, charging state and 3.3V output and I2C fuel gauge
A developer board created in kicad featuring a STM32L053 MCU, RFM95W LoRa chip, LR-80 GPS and a MEMS Sensor
Tracker with a Raspberry Pi RP2040, an AI-Thinker Ra-01 LoRa Module and an u-Blox GNSS receiver
No description.
A custom PCB designed for managing a smart hydroponic system. It will definitly need some modification as my use case is so specifc. It integrates components needed to automate water and nutrient delivery using peristaltic pumps and sensor feedback. I...
A portable CO2 monitor based on the CH32X033 MCU
Air quality sensor (CO2, VOC, NOx, T and RH)
A miniature USB CO2 sensor