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Wire, Connect to Power Reference

Power supply, range 2.5~3.7V (recommended external ceramic filter capacity)

Wire, Connect to Power Reference

DIGITAL IO ye kɛ duɔ̈ɔ̈p juëc ye kɛ, ka lëu ye kɛ GPIO ye kɔ̈k

SPI ye tɛ̈n yenë yen tɔ̈u thïn, ka lëu bï ya luui ke ye GPIO ye tɔ̈u thïn

I2C SCL pins

I2C SDA Pin

UART CTS Pin

Pin UART RTS

Wire, Connect to Power Reference

Antenna interface, stamp hole (50 ohm characteristic impedance)

Wire, Connect to Power Reference

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Wire, Connect to Power Reference

Wire, Connect to Power Reference

Wire, Connect to Power Reference

Pin dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r

ADC input pins

GPIO

GPIO

Pin UART RX

Pin UART TX

SWD Data Pin

SWD Clock Pin

Wire, Connect to Power Reference

SPI MISO test point, a tɔ̈ɔ̈u në ɣän kɔ̈k yiic, ka lëu a luɔ̈ɔ̈i ke ye SPI yɔ̈ɔ̈k

SPI NSS test point, a tɔ̈ɔ̈u në ɣän kɔ̈k yiic, ka lëu a luɔ̈ɔ̈i ke SPI yɔ̈ɔ̈k

SPI MOSI test point, a tɔ̈ɔ̈u në ɣän kɔ̈k yiic, ka lëu bï ya luɔ̈ɔ̈i ke SPI yɔ̈ɔ̈k

SPI SCK test point, a tɔ̈u thïn, ka lëu a tɔ̈u SPI yɔ̈ɔ̈k