Block Diagram

FCC ID: XBE-HC30RF

Block Diagram

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FCCID_2772359

HC30 Block Diagram


       Batteries                         3VDC supply
                     Reverse voltage
                       protection
        2 x AAA



                                                                                                        on/off


                                                                                                                       Torch LED
                                                                        210kHz     Boost Converter
                                                                       PWM with
                                                                        100Hz
                                                                                           +
                                                                        overlay    Voltage stabilizer
                                                Microcontroller                                                     Background LED
                            KEY matrix
                                             21MHz internal clock                     Feedback to uC




                          Programming
                                                                      /3
                            interface
                                                                    I2C clk                                 Discrete Balun
                                                                    100kHz        RF transmitter                              433MHz ASK
                                                                                                                circuit
                                                                                                                             Modulated signal



Document Created: 2015-07-06 10:09:37
Document Modified: 2015-07-06 10:09:37

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