{"title":"SparkFun FM Tuner Evaluation Board - Si4703","handle":"sparkfun-fm-tuner-evaluation-board-si4703","url":"/products/sparkfun-fm-tuner-evaluation-board-si4703","description":"The SparkFun FM Tuner Evaluation Board features the Silicon Laboratories Si4703 FM tuner chip, capable of receiving FM radio stations as well as detecting and processing Radio Data Service (RDS) and Radio Broadcast Data Service (RBDS) information — displaying station IDs, song names, and more.\n\nThe Si4703 provides excellent filtering and carrier detection, delivering reception quality comparable to a standard FM radio. All major pins are broken out, including I2C (SDIO/SCLK), reset, SEN mode select, and two configurable GPIO pins for RDS-ready, seeking, or tuning functions.\n\nKey Features\n\n\nSi4703 FM Tuner – High-quality FM reception with RDS/RBDS data decoding\n\nI2C Communication – SDIO and SCLK pins broken out for easy interfacing\n\n3.5mm Audio Jack – Headphone cable doubles as the antenna (no external antenna needed)\n\nAll Pins Broken Out – Power, I2C, reset, SEN, GPIO1, and GPIO2\n\nRDS/RBDS Support – Display station ID, song name, and programme information\n\n\nSpecifications\n\n\nChip: Silicon Labs Si4703\n\nInterface: I2C (SDIO/SCLK)\n\nPower: 3.3V\n\nAudio Output: 3.5mm stereo jack\n\nAntenna: Headphone cable or 3.5mm audio cable (3ft+ recommended)\n\n\nIdeal For\n\nFM radio receiver projects\nRDS/RBDS data display applications\nArduino and microcontroller radio builds\n\n\nResources\n\nHookup Guide\nSi4703 Datasheet\nAN243 Application Note\nSchematic\nEagle Files\nGitHub – Library, Example Code & Design Files\n","vendor":"SparkFun","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":12585,"title":"Default Title","sku":"SF-WRL-12938","price":52.05,"on_sale":false,"in_stock":true,"available_quantity":7,"option1":"Default Title"}]}