Gallus Gadgets – Build – Break – Learn

A close-up, editorial-style photograph of a tiny 0.96 inch OLED display glowing with crisp blue text and pixel graphics against a deep black background, mounted on a small breadboard surrounded by colorful jumper wires, resistors, and an Arduino microcontroller. The scene is set on a wooden workbench with soft workshop lighting casting warm shadows, highlighting the vivid contrast of the bright OLED screen in the dimly lit maker space. The composition emphasizes the compact size of the display next to common electronic components, evoking a hands-on DIY electronics project atmosphere. Shallow depth of field, macro photography style, high detail, warm ambient lighting with the blue OLED glow as a focal accent.

Displays

0.96 Inch OLED I2C Display: A Versatile Tool for Makers

July 4, 2026

A tiny, low-power OLED display that fits countless maker projects.

0.96 Inch OLED I2C Display: A Versatile Tool for Makers Read Post »

Microcontrollers, Rough Guide

Seeed Studio XIAO ESP32-C5 Specs

June 30, 2026

TL/DR The XIAO ESP32-C5 is Seeed Studio’s first XIAO board to support 5 GHz Wi-Fi, combining dual-band Wi-Fi 6, Bluetooth 5.0 LE, and IEEE 802.15.4 for Zigbee and Thread in a 21 × 17.8 mm form factor. It is powered by Espressif’s ESP32-C5 SoC, featuring a 240 MHz RISC-V core, 8 MB Flash, and 8

Seeed Studio XIAO ESP32-C5 Specs Read Post »

A detailed technical illustration showing an exploded, isometric view of a wireless embedded systems ecosystem, rendered in a clean engineering blueprint style with dark navy background and glowing cyan/amber accent lines. At the center, a modern ESP32 microcontroller chip sits prominently with labeled internal blocks representing CPU cores, RAM, and flash memory. Surrounding it are interconnected radio modules including a CC1101 sub-GHz transceiver, an NRF24L01+ 2.4 GHz chip, and a PN532 NFC reader, all connected via visible SPI bus traces. Radiating outward from the antenna connections are stylized electromagnetic wave patterns at different frequencies, with longer wavelengths depicted for 433 MHz sub-GHz signals and shorter, tighter waves for 2.4 GHz signals. In the background, faint silhouettes of real-world devices — a car key fob, a wireless keyboard, a garage door, and a farm landscape with sensor nodes — illustrate practical applications. Quarter-wave antenna rods of varying lengths float in the composition, visually demonstrating the relationship between frequency and physical size. The overall aesthetic blends technical schematic precision with a modern educational infographic feel, using glowing circuit trace lines, translucent wave overlays, and soft gradient lighting to convey the invisible physics of radio frequency communication.

Microcontrollers, Rough Guide

Microcontrollers and RF Systems: A Complete Beginner’s Guide

June 29, 2026

TL/DR This guide covers the foundational engineering principles behind microcontrollers and radio frequency systems, progressing from core embedded hardware concepts through communication protocols, RF physics, and practical antenna design. It examines specific chips including the ESP32, CC1101, NRF24L01+, and PN532, explaining their roles in wireless systems. Real-world case studies on wireless keyboards and car key

Microcontrollers and RF Systems: A Complete Beginner’s Guide Read Post »

Announcement

Hello World From Gallus Gadgets

June 22, 2026

TL/DR Gallus Gadgets is a small Scottish maker brand selling electronics hardware in multiple formats, including bare PCBs, kits, pre-flashed microcontrollers, assembled units, and components. Every product is built in-house before being listed. The brand’s first product, WiFuxx, is an autonomous dual-band Wi-Fi deauthentication tool built on the XIAO ESP32-C5. It supports both an autonomous

Hello World From Gallus Gadgets Read Post »