3pcs CJMCU-470 Si4703 FM Radio Tuner Evaluation Development Board
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Produto de acordo com as informações do anúncio
For I^2C commands, look up the Si4703 datasheet at https://www.sparkfun.com/datasheets/BreakoutBoards/Si4702-03-C19-1.pdf Pin out (Square pin is one) 1 - GPIO 2 Can be set or read by system command or configure as interrupt for RDS data ready or tuning complete 2 - GPIO 1 At reset selects serial mode, high = 2 wire, low = 3 wire. All other times can be set or read by system command 3 - ^RST Reset modue, active low 4 - ^SEN Serial enable, active low 5 - SCLK Serial data clock 6 - SDIO Serial data in/out 7 - GND Power, ground 8 - 3.3V Power, input voltage For 2-wire serial, SDIO and SCLK must be pulled high. For 3-wire serial, ^SEN is used to indicate read/write timing.
good product
The whole is of very good quality. Even quartz has been welded so that is rather rare for products of this price. Bravo. Thank you. Products have of very good quality. Quartz is welded which is rather rare for products of this price. Well done. Thank you.
Good product!
Three modules have been ordered, two are OK, one is broken.