Ccircuitrocks·Oct 20Olimex Level Shifters Fix 3.3V to 5V Breadboard HeadachesOlimex Level Shifters Fix: Olimex's two new open hardware level shifters translate 1.65 V to 5.5 V on I2C, SPI and UART.2 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Oct 4SPIDriver Quattro: A USB SPI Debugger With a Built-In ScreenSPIDriver Quattro USB SPI: Debugging SPI blind is painful. The SPIDriver Quattro adds a live display, 0.1 mA current sensing, and quad-SPI support so you…3 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Oct 3LocalDot: Give an Echo Dot a Local Home Assistant BrainLocalDot Give Echo Dot: AAElectronics' LocalDot swaps an Echo Dot's mainboard for an ESP32-P4 and ESP32-S3 that talk only to Home Assistant.2 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Sep 2Tiwaz: An STM32 Split Keyboard That Is Also Two Macro PadsTiwaz STM32 Split Keyboard: Timo Strube's Tiwaz splits into two standalone macro pads with joysticks, runs QMK on an STM32F401, and ships every hardware…3 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Jul 25Nordic nRF54L15 Discovery: Two Open-Hardware Boards, One PCBNordic nRF54L15 Discovery Two: Icy Electronics' nRF54L15 Discovery packs a Cortex-M33, a RISC-V coprocessor, and a snap-off CMSIS-DAP debugger onto one…2 min read·circuitrocks.hashnode.dev
