Articles Tagged “Esp32”
23 articles found
ESP32-S31 Linux BSP Boots Real Linux on 16MB PSRAM
Espressif released a Linux 6.18 BSP developer preview for the ESP32-S31, fitting a bootable image into roughly 13.7MB of flash on a $10-class chip.
Wi-Fi Sensing Turns an ESP32 and Pi Into a Motion Radar
WifiSense-Pi pairs an ESP32-S3 sampling 100 times a second with a Raspberry Pi 4 to detect people through walls — and the code is now open source.
Which ESP32 Variant to Choose: A 2026 Buyer's Guide
Nine ESP32 variants, one decision. Compare S3, C3, C5, C6, H2, and P4 by cores, RAM, radios, and price to pick the right chip for your project.
ESPHome Starter Kit Puts Four Sensors on One $40 Board
The official $40 ESPHome Starter Kit pairs an ESP32-C6 board with four snap-on FPC sensor modules and needs no YAML editing to get an automation running.
Nomad Terminal Packs LoRa and GPS Into a $60 Handheld
Makerfabs' $59.80 Nomad Terminal pairs an ESP32-S3 with an LR1121 LoRa radio, GNSS, a 3.5-inch touchscreen, and a 5,000mAh cell rated for 40-60 days.
PyBLE Programs MicroPython Boards Over Bluetooth LE
PyBLE is an MIT-licensed MicroPython IDE for iPad and Android tablets that edits, runs, and debugs ESP32 boards wirelessly over Bluetooth Low Energy.
ESP RainMaker Neo Open Sources the Full IoT Stack
Espressif released ESP RainMaker Neo under Apache 2.0, handing makers the cloud backend, firmware SDK, and phone app to self-host on their own AWS account.
Espressif ESP32-C61-MINI Puts Wi-Fi 6 in a $2 Module
Espressif's ESP32-C61-MINI-1 brings 802.11ax Wi-Fi 6 and Bluetooth LE 5.3 to a RISC-V module costing about $2 each in five-packs, with a $9 dev board.
Octopus 16 Puts 16-Channel EEG on a $250 Open Board
The $250 Octopus 16 packs 16 EEG channels into a 26mm board and turns brain signals into BLE gamepad input, with fully open Arduino and Python code.
Stream32 Builds an Open-Source Stream Deck on ESP32
Stream32 pairs an ESP32 with a 4-inch or 10.1-inch touchscreen to make a fully customizable open-source Stream Deck alternative you can reflash yourself.
ESP32 Web Browser Loads Real Web Pages in Text Mode
Alun Morris built babe32, an open-source text-mode web browser that fetches and renders real web pages on an inexpensive ESP32 display board.
Open RC Spotter Logs RC Car Telemetry at 100 Hz on ESP32
An open-source ESP32 data logger fuses GPS and IMU with a 10-state Kalman filter, logging RC car telemetry at 100 Hz to microSD. $169 assembled.
Low-Power Wireless MCU Guide: nRF54L, ESP32, RP2350
Compare nRF54L15, ESP32-C6, and RP2350 for battery-powered projects: radios, sleep current, memory, price, and which to pick for each build.
Xteink X4 Pro Brings Touch and Frontlight to $99 eReader
Xteink's X4 Pro adds a touchscreen and frontlight to its 4.3-inch pocket eReader for $99, with a 1,100mAh battery and open-source firmware support.
Espressif's ESP-Aliro SDK Brings Smart Locks to ESP32
Espressif released esp-aliro, an open SDK implementing the CSA's Aliro credential standard on ESP32-C and ESP32-H chips — phone-as-key, no lock-in.
M5Stack Core2 Firmware Clones a $230 Codex Macro Pad
Open-source firmware turns a roughly $50 M5Stack Core2 into a working equivalent of OpenAI's $230 Codex Micro control pad, using its touchscreen.
ESP32 wM-Bus Gateway Links Meters to Home Assistant
IoTLabs' open-source ESP32 wM-Bus Gateway reads 868 MHz utility meters and feeds the data to Home Assistant via ESPHome — no cloud, about $50.
PocketMage Is a Fully Open-Source ESP32-S3 E-Ink PDA
PocketMage is a $185 open-source ESP32-S3 PDA with dual E-Ink and OLED displays, a physical QWERTY keyboard, and a ~7-day battery per charge.
Inkterface Adds a Wireless E-Ink Faceplate to Valve's Steam Machine
A maker built Inkterface, a magnetic battery-powered e-ink faceplate for Valve's Steam Machine, driven by an ESP32 and fully open-sourced with STEP and STL files.
Louder ESP32 Mini Adds WiFi and Bluetooth to Old Speakers for $15
The $15 Louder ESP32 Mini is an open-source amplifier board that turns any passive speaker into a smart, multiroom audio device with Squeezelite, Snapcast, and ESPHome support.
Wireless-Tag's ESP32P4C61-TINY Packs Two ESP32 Chips Into a Tiny Open-Source AIoT Board
Wireless-Tag launched the ESP32P4C61-TINY on Kickstarter on June 2, 2026 — a compact, open-source AIoT board pairing an ESP32-P4 with an ESP32-C61 for Wi-Fi 6 and camera support.
Velxio Lets You Simulate Raspberry Pi, Arduino, and ESP32 Boards in Your Browser
Velxio is a self-hostable, open-source board emulator supporting 19 real boards across five CPU architectures — no hardware required, runs fully in-browser via Docker.
The $25 Olimex ESP32-P4-PC Is Now Shipping — A RISC-V Board With HDMI, Ethernet, and 4 USB Ports
Olimex ships the ESP32-P4-PC open-source RISC-V single board computer with HDMI output, Ethernet, four USB ports, and camera support for under $25.