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Public designs
Custom PCB design of an external S-&Watt-Meter for radios. Useful for all enthusiasts and amateur HAM operators.
Industrial extension board for Raspberry Pi Pico (W). RS485, EMI insulated digital input/output pins.
Open Source Watermaker Controller.
No description.
NoahFC - Atmega328 based Flight Controller
20 pin SWD/JTAG J-Link to 10 pin (0.1" and 0.05") reconfigurable Cortex-M header with power supply and TagConnect compatibility, as well as with a reset button. (Info about about J-Link Commander and Segger RTT is also given.)
60/52 keys Kailh Choc V1 low profile switches ortho keyboard
A DC-DC buck converter based on an STM32 Nucleo board
Without using a USB-C PD controller chip, handling communication over the USB cable, USB-C standard allows to get 5V up to 3A through a hardware availability detection. Here I show a design developed on KiCad and made through JLCPCB, powering from a USB-PD source and providing 5V and 3.3 (through a step-down converter) up to 3A.
Direct Conversion Receiver
Air quality zigbee sensor
Tokay AI Camera - ESP32 camera development board
Semiconductor cosmic radiation detector Silicon diode interface.
Introduction ESP32 Low Power Temp Monitor is an ESP32 C6 based low power Temperature and Humidity Monitor that aims to have a device that is very efficent and doen't need charging. General description The device reads the temperature, relative humidity and...
@tzarc's custom keyboard designs.
Embedded lighting application to be used in various scenarios
XIAO base board PCB & configuration for ESPHome based sensors.
Super thin split PCB keyboard using rp2040 chips running Rust