3 stuks CJMCU-470 Si4703 FM Radio Tuner Evaluatie Ontwikkelingskaart
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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
L'ensemble est de très bonne qualité. Même le quartz a été soudé si qui est plutôt rare pour des produits de ce prix. Bravo. merci. 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.