Introducing RFToy, an Arduino-compatible gadget for radio frequency modules

Features ATmega328p @ 3.3V, 8MHz, with CH340G USB-serial converter and Arduino bootloader. Programming in Arduino using the on-board mini-USB port. One 128×64 OLED display, three tactile buttons. 20mm coin battery holder, and slide switch to select between USB or battery power. Pin headers for plugging in 433/315 MHz RF transmitter and receiver modules, and MOSFET power switches for them. 3.5mm audio jack t ...

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