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Relay Module WiFi 4‑Channel ESP8266 Development Board Voltage Monitoring Relay Industrial Parts for Wireless Control DC7‑12V/5V

$6.90
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reSpeaker 2-Mics Pi HAT V2.0 for Raspberry Pi – TLV320AIC3104 Audio Codec, 2 Analog Microphones, 3 APA102 RGB LEDs

$16.90
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ReSpeaker Lite Voice Assistant Kit, ESPHome Assistant, 2 Mic Array with XIAO ESP32S3 pre-soldered, Mono Enclosed Speaker

Price range: $40.90 through $49.80
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ReSpeaker XMOS XVF3800,AI-powered 4-Mic Array Microphones for Clear Voice in Noise Suppression,5m 360°far-Field Voice Pickup

Price range: $60.90 through $63.90
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reTerminal E1001 Monochrome ePaper Display, 7.5 inch E Ink Screen Dashboard, ESP32-S3, Home Assistant, TRMNL, Arduino, ESP-IDF

$95.90
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reTerminal E1002 Full Color 7.3″ ePaper Display 6 Colors e-ink Screen,TRMNL,ESP32-S3,ESPHome,Home Assistant,open-source,Customization

$130.90
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ROB-21867 SparkFun Brushless Motor Driver – 3-Phase TMC6300 ESP32

$39.80
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Robot Ant Kit for Arduino, Dot Matrix Expressions, Obstacle Avoidance, Wireless Control App, Ultrasonic Sensor Servo

$56.90
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Robot Dog Kit for ESP32-WROVER CAM, Dual-core 32-bit 240MHz, Touch Sensor, Ultrasonic Ranging, Buzzer RGB LED Servo App

$148.90
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Robot Dog Kit for Raspberry Pi 5 4 B 3 B+ Zero 2 W, Walking, Self Balancing, Face Recognition, Ball Tracing, Ultrasonic

$120.90
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RP2040-Zero RP2040 for Raspberry Pi Microcontroller PICO Development Board Module Dual-core Cortex M0+ Processor 2MB Flash

Price range: $3.20 through $3.50
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RP2350 1.46 inch Capacitive Touch Round Display Development Board, 480×480 IPS Panel Display, 65K Color

Price range: $21.90 through $23.90
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RP2350 2.8inch Round Display Development Board, 480×480, Based On The Raspberry Pi RP2350B Dual-core & Dual-architecture Microco

$38.90
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RP2350 bit Development board Python programming education development for children and teenagers Compatible With BBC Micro:bit

Price range: $8.50 through $13.50
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RP2350A Dual-Core Mini Development Board with 16MB Flash & USB for Raspberry Pi PICO2

$8.41