Atmega32u4 @ 8 MHz native USB support 24 BrightDot addressable RGB LEDs (WS2812) ON/OFF switch reset button 1 user button 1 user LED PCF8523 RTC clock 10 GPIO sewable contacts and alligator clip friendly charging indicator LED RX/TX LED indication LEDs are mounted in a clock form free Arduino library included: an easy to use battery holder for 3 AA batteries (batteries not incl.)an easy to use battery holder for 3 AA batteries (batteries not incl.) USB 2.0 A to micro USB cable size: diameter: 8 cm (3,15 inch) height: 9 mm (3,54 inch) power supply: USB or battery powered max. battery supply voltage: 6 V current consumption: min. 20 mA, max. 1 A (when all RGB LEDs are on, software limited) battery or USB pass through output: max. 1 A (depends on battery and USB capacity) CPU speed: 8 MHz

on board WiFi and Bluetooth® 8 x easy sewable pads: 4 x regular power pads 4 x capacitive touch-enabled pads 1 x on-board orange LED hall effect sensor temperature sensor ultra-low power analog pre-amplifier integrated LiPo battery charger dedicated reset button 2 × 8-bit DACs ultra-thin PCB Arduino compatible compatible with all BrightDot wearable LED boards based on the ESP32 SPI, I²S, I²C and UART interfaces the LED PWM, UART, I2C, I2S, and general purpose SPI functions can be configured to any GPIO 12-bit SAR ADC LED PWM (up to 16 channels) deep sleep mode to lower power consumption when preferable general purpose IO : 17 processors: CPU: Xtensa dual-core (or single-core) 32-bit LX6 microprocessor, operating at 160 or 240 MHz and performing at up to 600 DMIPS ultra low power (ULP) co-processor memory: 520 KB SRAM 448 KB ROM wireless connectivity: WiFi: 802.11 b/g/n Bluetooth®: v4.2 BR/EDR and BLE power management: max. current consumption: 300 mA deep sleep power consumption : 10 µA max. battery input voltage: 6 V max. battery charge current: 450 mA dimensions (W x L x H): 56 x 50 x 7.5 mm (2.2 x 1.97 x 2.95 inch)

5 x singleton BrightDots integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm solder or sew them! dimensions (L x W): 11 x 6.5 mm (0.43 x 0.25 inch) max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V PCB thickness: 2.1 mm (0.08 inch) required: or other Arduino compatible development board

2 x fivefold BrightDot strips 2 x threefold BrightDot strips integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm solder or sew them! dimensions threefold strip (L x W): 22 x 6.5 mm (0.87 x 0.25 inch) dimensions fivefold strip (L x W): 33 x 6.5 mm (1.29 x 0.25 inch) max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board

2 x tenfold BrightDot strips integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm soler or sew them! max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V dimensions (L x W): 60.5 x 6.5 mm (2.38 x 0.25 inch) PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board

2 x left BrightDot corners 2 x right BrightDot corners integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm solder or sew them! dimensions (L x W): 14.25 x 6.5 mm (0.56 x 0.255 inch) max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board

1 x medium BrightDot circle integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm solder or sew them! diameter: 47 mm (1.85 inch) max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board

1 x large BrightDot circle integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm solder or sew them! max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V diameter: 69 mm (2.7 inch) PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board