This is a ZigBee device to collect data from smartmeters using the DLMS/COSEM protocol.

Custom-designed Zigbee Coordinator board integrating ESP32, Zigbee RF module (RF-BM-2652P2), and Ethernet with Power over Ethernet (PoE) capabilities. It is optimized for smart home or industrial IoT gateway applications, and provides a compact, PoE-powered solution for reliable Zigbee-to-IP bridging.

An Inventory & Component Aggregator for DIY Audio Hardware Builders

Tiny analog monosynth with 2 SSI2130 VCOs and swappable filter

Recources to build the MFOS - Noise Toaster Synth by Ray Wilson

ribbon synth for Josh Oxford

Full hardware and firmware implementation of a smart multisensor platform powered by ESP32-S3, designed for home and building automation environments.

This is a RP2040 based dev board, this with the intention to create my own boards and learn about the process of hardware design and PCB assembly and manufacture process.

GitHub pages site

Personal electronics website.

BlockBoy - Working LEGO Game Boy mod with ESP32 & Retro-Go

Documentation of CanAirIO Project

Stereo voltage controlled lowpass filter FX box with compression and distortion. For Matt

MiniVieNO is a custom-designed Arduino-compatible board developed by Nithin Mathew Joji. With a compact form factor, C-type USB connector, and versatile power options, MiniVieNO aims to provide enhanced functionality and ease of use for both prototyping and real-world applications.

Diy PCB for Meshtastic

BlockBoy - Werkende LEGO Game Boy mod met ESP32 & Retro-Go

Open-source mechanical keyboard for the Romanian Cobra computer and ZX Spectrum clones. Acesta este un proiect open-source pentru o tastatură mecanică compatibilă cu computerul românesc Cobra.

Smart Water Tank Level Monitoring System using ESP8266, ultrasonic sensor and Cloudflare Worker — Live water level readings.

Proof of concept for my Custom esp32-s3 mouse.

KiCad files for DIY Pro Co RAT