ATTINY85 Digispark Board Micro-USB or USB Plug-in 16.5MHz 6 I/O Pins 5V 3.3V I2C AU $8.10 to AU $8.25
RF-Nano V3.0 Development Board With Integrated NRF24L01 (ATMEGA328) AU $18.99Save up to 13% when you buy more
ARM Cortex-M3 STM32F103C8T6 System Board Microcomputer STM32 ARM Core Board AU $13.95Save up to 14% when you buy more
Button Switch Module Shield For WeMos D1 Mini IoT Arduino ESP8266 AU $6.39Save up to 15% when you buy more
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