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…
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…
diy projects
Louder ESP32: A $50 Multi-Room Audio Amp That Rivals Sonos
A $24 ESP32-S3 board with an onboard Class-D amp, a USB-PD trigger set to 20V, and Music Assistant add up to a networked stereo…
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…
microcontrollers
Forlinx AM62L32 Local EVM: Industrial SBC on One Board
Forlinx's AM62L32 Local EVM squeezes a dual Cortex-A53 SoC, a real-time M4F core, and a wall of buses onto one four-layer board, no carrier…
esp32 & esp8266
MaTouch ESP32-S3 MaUWB: UWB Indoor Positioning On-Screen
Makerfabs' MaTouch ESP32-S3 MaUWB puts Ultra-Wideband ranging on a 3.95-inch touchscreen, promising a live indoor positioning demo in three minutes.
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
The ESP32-C61-MINI Finally Ships: Budget Wi-Fi 6 for Your Builds
After nearly three years, Espressif's ESP32-C61-MINI is on sale at $10.70 for five, bringing Wi-Fi 6 and Matter to budget maker and student builds.