iot & smart home
WeatherXM D2 Mesh: A Solar LoRa Weather Station With No Wi-Fi
A solar weather station that reports over a LoRa mesh instead of Wi-Fi or cellular, plus how to build a cheap ESP32 version of…
esp32 & esp8266
ESPHome Firmware Cuts the Litter-Robot 4 Free From the Cloud
A PIC runs the motors, an ESP32 just bridges Wi-Fi to UART. Reflash that ESP32 with ESPHome and the litter box answers to Home…
iot & smart home
Upline Puts an ATtiny85 Online Using 4,060 Bytes of Flash
Upline is an open source serial protocol that gets an ATtiny85 or Arduino UNO on the web through a USB cable, using 4,060 bytes…
iot & smart home
Run Gemma AI Offline on a Raspberry Pi 5 with Google’s LiteRT
Google's LiteRT runs Gemma models on a Raspberry Pi 5 at 99 tokens/sec prefill in 1432 MB of RAM, with no cloud and no…
esp32 & esp8266
ESPHome Starter Kit: ESP32-C6 Smart Home, Zero Soldering
Apollo Automation and the Open Home Foundation shipped a $40 ESP32-C6 kit that gets a local smart-home sensor node running without a single solder…
esp32 & esp8266
OpenMote Turns Your Old Wii Remote Into an ESP32 Smart Home Hub
A team gutted a dusty Wii Remote and dropped in an ESP32-S3 board, so the old wand can now fire Home Assistant scenes and…
iot & smart home
Challenger+ RP2350 NB-IoT: Cellular IoT on a Breadboard
iLabs' Challenger+ RP2350 NB-IoT puts a Raspberry Pi RP2350, cellular NB-IoT, and GNSS on one Feather board that fits a breadboard and charges over…
iot & smart home
NXP’s RW610FML Crams Wi-Fi 6, BLE, and a Cortex-M33 in One Module
NXP's RW610FML packs Wi-Fi 6, Bluetooth LE, and a 260MHz Cortex-M33 into one low-power module built for IoT sensor nodes and student builds.
iot & smart home
SiLabs BG2B: A Low-Power Bluetooth 6 Chip for Your Next Build
Silicon Labs' new BG2B packs Bluetooth 6, Channel Sounding, and a 1.1uA sleep current into one tiny SoC. Here's what you could prototype with…
esp32 & esp8266
ESP-KVM Turns an ESP32-P4 Into a $45 Open-Source IP KVM
A locked-up PC with no monitor nearby? ESP-KVM runs on an ESP32-P4 and hands you keyboard, mouse, and screen control from a browser for…
esp32 & esp8266
M5Stack PowerHub: An ESP32 Dev Kit That Smartly Manages Power
M5Stack's PowerHub pairs an ESP32 with an STM32 coprocessor and INA226 sensors to measure and switch power per channel, all from a Sony NP-F550…
iot & smart home
FalconS1 Pro Brings 26 TOPS of Local Edge AI to the Factory Floor
The FalconS1 Pro runs AI models right on the factory floor with 26 TOPS of local inference, no cloud round-trip, and open schematics you…