diy projects
Build a Retro Handheld Inside an NES Gamepad with an ESP32-S2
A dead NES-style controller hides a full ESP32-S2 emulator that plays 8-bit classics and Doom for about $17. Here is the weekend build.
news & releases
Antmicro Open-Sources KiCad Files for a 10GbE Thunderbolt NIC
Antmicro released full KiCad files for a permissively licensed dual 10GbE Thunderbolt card, a free reference design for learning high-speed PCB layout.
diy projects
DOGS2: A Palm-Sized ESP32 Bench Lab You Can Build This Weekend
Sergei's DOGS2 stuffs a programmable power supply, logic probe, frequency counter, and signal generator into one palm-sized ESP32 box. Build it this weekend.
diy projects
Voicebox FX: A Pocket Audio Looper on the Feather RP2350
Adafruit's Voicebox FX records 20-second clips and warps them live with pitch, reverb and delay, all running CircuitPython on a Feather RP2350.
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.
diy projects
This Giant 16×2 Character Display Runs on an RP2040 and 1,000 LEDs
A maker rebuilt the classic 16×2 character LCD at 7x scale using 1,000+ addressable LEDs and an RP2040 that still speaks I2C to any…
diy projects
A Retro Game Console Crammed Inside an NES Gamepad (ESP32-S2)
Logic Gate Labs squeezed a full ESP32-S2 handheld emulator (and Doom) into an empty NES gamepad shell for about $17. Here is how the…
diy projects
Add Touch ID to Any Mac With a DIY ESP32-S3 Fingerprint Module
A developer built TinyTouch, an open source ESP32-S3 USB module that brings fingerprint unlock to any Mac, no pricey Apple keyboard needed. Here's how…
esp32 & esp8266
Build an ESP32-Driven Robot That Hauls Your Beach Gear on Sand
John Boss built a skid-steer robot from an e-bike rack, two 350W motors, and an ESP32 that follows him across the sand hauling every…
robotics
Aliensense NXS Sends mikroBUS Sensors Down One Robot Cable
Aliensense's NXS hub pushes power, video, and sensor data over a single cable up to 40m, linking mikroBUS Clicks and MIPI cameras to your…
diy projects
Portable Commodore 64: A Raspberry Pi 3 Retro Handheld Build
A Raspberry Pi 3 plus a Pico turns the classic Commodore 64 into a solder-free portable handheld you can wire up and play over…