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Zigbee 3.0 wireless button and scene switch with single, double, and long press actions. Battery-powered with CR2477 lasting up to 5 years. Works with Home Assistant, Zigbee2MQTT, and eWeLink.

Feather-format ATSAMD21 ARM Cortex-M0+ board at 48 MHz, 3.3V with 256KB flash, 32KB RAM, LiPo charging, native USB, 12-bit ADC/DAC, and RTC crystal — lightweight and CircuitPython-capable.

Feather-format ATSAMD21 ARM Cortex-M0+ data logger at 48 MHz, 3.3V with microSD slot, 256KB flash, 32KB RAM, LiPo charging, native USB, and 12-bit ADC — 32-bit power for field data collection.

Coin-sized wearable microcontroller board with ATSAMD21E18 Cortex M0+ at 48MHz, 3 I/O sew pads, built-in RGB DotStar LED, and CircuitPython pre-installed. Designed for e-textiles and wearable projects

Arduino Uno-compatible development board powered by ATSAMD21G18 Cortex M0+ at 48MHz with 256KB flash, 32KB SRAM, 2MB SPI flash, and CircuitPython pre-loaded. Features Arduino shield compatibility and

The PIC32 Pinguino is an open-source Arduino-form-factor development board based on the Microchip PIC32MX440F256H 32-bit processor at 80MHz, with industrial-grade power input, LiPo battery support, an

Compact 3.3V CircuitPython/Arduino board with ATSAMD21G18 Cortex M0+ at 48MHz, 32KB RAM, 256KB flash, 2MB SPI flash, 23 GPIO with 11 analog inputs, RGB DotStar LED, native USB. Measures 36mm × 18mm.

Skull-shaped wearable microcontroller with ATSAMD21G18 at 48MHz, 1.44" 128x128 TFT display, 3-axis accelerometer, light sensor, 4 capacitive touch pads, 2W speaker driver, 8MB SPI flash, and LiPo char

32-bit ARM Cortex-M0+ Arduino in UNO form factor with ATSAMD21G18 at 48 MHz, 256KB flash, 32KB SRAM, onboard EDBG debugger, dual USB ports, 12-bit ADC/DAC — designed for IoT, wearables, and robotics.