The utility model discloses a TFT LCD screen bicycle instrument, including casing and install on casing's TFT LCD screen, and the inside of casing is equipped with
control circuit and data storage circuit,
control circuit is equipped with MCU control
chip, data storage circuit is connected with MCU control
chip,
control circuit is connected with switch -on off detection circuit and
data processing circuit, switch -on off detection circuit connects
power management circuit,
data processing circuit passes through CAN circuit transmission data to display circuit, display circuit includes TFT LCD display screen circuit and back light power, is provided with the tyre pressure display, the speed display and various essential
pilot lamp on TFT LCD display screen. This patent is through wide
voltage input, CAN communication redundancy, environmental light self -
adaptation adjustment and data storage circuit
zoning management design, has solved traditional instrument compatibility, communication is susceptible to interference, back
light energy consumption is high and
data security low etc.