1. Manuals
  2. Brands
  3. StefPro Manuals
  4. Microcontrollers
  5. SPK2141.01
  6. Assembly plan

StefPro SPK2141.01 Assembly Plan

Six digit dcf clock with 6x56mm red 7segment led displays and temperature
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SPK2141.01
Assembly kit - Six digit dcf clock
with 6x56mm red 7 segment LED displays
and temperature
Assembly plan for the kit
Version: Firmware 1.80-146
StefPro UG (haftungsbeschränkt) & Co. KG
Theilenmoorstr. 11
26345 Bockhorn, Germany
Phone: +49-4452-709175
Web: https://www.stefpro.biz/
E-mail: info@stefpro.biz
Assembly plan version 2.0.1 - Valid from 22.03.2021.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SPK2141.01 and is the answer not in the manual?

Questions and answers

Related Manuals for StefPro SPK2141.01

Summary of Contents for StefPro SPK2141.01

  • Page 1 Assembly kit - Six digit dcf clock with 6x56mm red 7 segment LED displays and temperature Assembly plan for the kit Version: Firmware 1.80-146 StefPro UG (haftungsbeschränkt) & Co. KG Theilenmoorstr. 11 26345 Bockhorn, Germany Phone: +49-4452-709175 Web: https://www.stefpro.biz/ E-mail: info@stefpro.biz...

  • Page 2: Table Of Contents

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Table of Contents Table of Contents Safety Application and function description Function description Alarm Function Technical data Basic circuit Bill of material Basic assembly Assembly in 3D representation Connectors X-DC : DC Power input : Print plug 2 pole...
  • Page 3 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Exit brightness settings DCF active Receiving brightness Hour of synchronization Receive state display DCF input pull up DCF input invert Power save pin invert DCF sensitivity DCF exit Clock Settings Set hour...

  • Page 4: Safety

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Safety Follow the manual This assembly kit is only safe in operation if all instructions are read in this datasheet. The assembled kit is called in the following module. General understanding of safety By the module there are no hazard under normal use.

  • Page 5: Application And Function Description

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Application and function description Application and function description Function description This IC can analyze the DCF77 signal, which is received by a receiver and demodulated. Thereceived time and date can output directly to a 7-segment displays.

  • Page 6: Basic Circuit

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Basic circuit Basic circuit Figure 1: Basic circuit of SPK2141.01 part 1 Figure 2: Basic circuit of SPK2141.01 part 2 Basic circuit - Function description Page 6 of 42...
  • Page 7 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Figure 3: Basic circuit of SPK2141.01 part 3 Figure 4: Basic circuit of SPK2141.01 part 4 Basic circuit - Function description Page 7 of 42...
  • Page 8 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Figure 5: Basic circuit of SPK2141.01 part 5 Basic circuit - Function description Page 8 of 42...

  • Page 9: Bill Of Material

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Bill of material Quantity Name Value Package Scope of delivery T400 BPW42 FOTO T300,T301 ULN2803AFW DIL18 T200,T201,T202,T203 ULN2803A DIL18 S101,S102,S103,S104 PHAP3301D KURZHUBTASTER S100 SUMMER TDB 05 D18R7,62 R400 100k 0207 R201,R202,R203,R204,R205,R206,R207, R209,R210,R211,R212,R213,R214,R215,...

  • Page 10: Basic Assembly

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Basic assembly Basic assembly The basics of electronics and PCB assembly can be found in the document:"Grundlagen der Elektrotechnik, Grundlagen des bestückens von Platinen".Unfortunately currently only available in German. Figure 6: Basic assembly of SPK2141.01 Assembly plan with names Figure 7: Basic assembly of SPK2141.01 1...
  • Page 11 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Figure 9: Basic SMD assembly of SPK2141.01 step 1 First, the SMD components should be soldered on the bottom side, these are for electrostatic protection (ESD) and to improve the electromagetic compatibility (EMC).
  • Page 12 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Figure 11: Basic assembly of SPK2141.01 step 2 Now you can solder ceramic capacitors and the quartz. Figure 12: Basic assembly of SPK2141.01 step 3 Next comes the IC sockets for the SPM2x41P, 74HC595, and ULN2803A. The IC's can also be soldered directly, but should not.
  • Page 13 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Figure 14: Basic assembly of SPK2141.01 step 5 Now it is the turn of the buttons, but they can also be soldered on top, as you like. Figure 15: Complete assembly of SPK2141.01 The finished modul without displays and it still lacks the wires to the supply voltage and the DCF receiver.

  • Page 14: Connectors

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 The finally assembled pcb, only the wires for the supply voltage and the DCF receiver are missing. Connectors Figure 17:Connector description for module SPP2400.0 Insert the appropriate plugs with little effort. DANGER Make sure that you have connected all signals correctly.

  • Page 15: Properties Of The Components

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Properties of the components Properties of the components 7 segment displays The seven-segment display LD1 and LD2 must have a common anode. Via R1 to R8 the brightness of the LEDs can be set.

  • Page 16: Calculate The Series Resistor For Two Led

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 UDS ≈ 0 ILED < 35 mA Calculate the series resistor for two LED UDS ≈ 0 ILED < 35 mA DCF module properties The module has to be able to work with an operating voltage of 5V (some modules have an operating voltage range of 1.2 to 15 volts, these are...

  • Page 17: Tested Modules

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 microcontroller. Whether the output is non inverting or inverting, is detected automatically by default or can be set in the menu. The receiving LED should at good reception signal flash every second for 100 ms and 200 ms. Does the receiving LED goes off every second for 100 ms and 200 ms, then the polarity is wrong.

  • Page 18: Quartz - Accuracy Of The Time

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Quartz - Accuracy of the time The quartz, microcontroller, quartz capacitor combination decisively determine the accuracy of the clock. Since the kit is delivered unassembled, prior coordination is not possible and only uncalibrated accuracy is ensured.

  • Page 19: Properties Of Light Sensor With Phototransistor

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Colors of thin wires: red: plus supply voltage (<= + 12 Volt) black: minus supply voltage white: Buzzer signal from the IC SPK2141.01 orange: plus MP3 Player Module (+5 Volt) green: minus MP3 Player Module...

  • Page 20: Temperature Sensor

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 In the case of the BPW42 and similar photo transistors in the LED diode housing, the incidence of light must take place as follows in order to achieve the best result: NOTICE...
  • Page 21 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 The calibration only refers to the offset, the linearity cannot be changed! Properties of the components - Quartz - Accuracy of the time Page 21 of 42...

  • Page 22: Installation The Dcf Clock

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Installation the DCF clock Installation the DCF clock Figure 21: Align the DCF antenna The external antenna receives the DCF77 signal and should be directed to Frankfurt, as shown in Figure 21.
  • Page 23 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 „SEArCH„ Search the fifty-ninth second. „rEAdXX„ read the dcf time. Installation the DCF clock - Synchronize with active display Page 23 of 42...

  • Page 24: Emitted Electrical Disturbances By The Display

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Emitted electrical disturbances by the display In the near field generates the display, by the fast on and off switching of the LEDs, disturbances.These depend on the brightness of the display. For EMC / CE conformity hese disturbances are uninteresting because they are strong only in the near field and occur only under 30 MHz.For sensitive...
  • Page 25 StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Figure 25: Measurement with brightness level 25 Figure 25 shows on the display brightness set to full brightness level 25 and it will be something displayed. There can be seen big disturbances in the near field.

  • Page 26: Button Description

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Button description Button description Overview of buttons Button functions Menu+ Opens the menu, next setting Menu- Opens the menu, previus setting Plus or + Function key, usually +, On or jump into and exit a submenu...

  • Page 27: Normal

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Normal Normal mode, outside of the menu. Here the plus (+) button has the function of the alarm temporary switch on or off. The minus (-) button switches the display back to 100% (flashlight) or to normal brightness.

  • Page 28: Alarm Enable

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Alarm enable Enables the alarm. Plus (+) sets the alarm to "AEN ON" and minus (-) sets it to "AEN OF". ALARM ON ALARM OFF Alarm time hour Use plus (+) and minus (-) to set the hour for alarm.The number can be 0-...

  • Page 29: Alarm Exit

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Alarm exit With Plus (+) you exit the sub-menu alarm. Alarm exit Brightness With plus (+) you enter the sub-menu brightness. Brightness Brightness menu Sets the brightness of the menu.The number can be 10-25...

  • Page 30: Brightness Speed

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Brightness speed Use plus (+) and minus (-) to set the speed of auto brightness. The number can be 0-20. The maximum value may differ depending on the firmware. Brightness speed Brightness factor Use plus (+) and minus (-) to set the calculation factor for auto brightness.

  • Page 31: Standby End Hour

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 StandBy end hour From this hour on, standby operation ends. Only full hour can be set plus (+) and minus (-). The range is from 0 (midnight) to 23 (11pm). StandBy (Powersave) Finish Hour - Endstunde...

  • Page 32: Hour Of Synchronization

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Hour of synchronization Use plus (+) and minus (-) to set the hour in which the DCF clock will synchronize. In this hour, the DCF signal will be analyzed until a synchronization has occurred or the hour changes.

  • Page 33: Power Save Pin Invert

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Inverts DCF77 power On / Off output, plus (+) enables inversion and minus (-) disables it: Power save pin invert ON: Power ON / OFF output is inverted (module ON at GND) OFF: power on / off output is not inverted.

  • Page 34: Set Year

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Set year Use plus (+) and minus (-) to set the year. The number can be 2000-2099. change year Set month Use plus (+) and minus (-) to set the month. The number can be 1-12.

  • Page 35: Set Time

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Set time Plus (+) sets the time, while looking for DCF time, otherwise the time will be provided directly. Set settings Calibrate quartz With plus (+) and minus (-) the quartz can be calibrated, a positive value increases the period time and a negative value reduces it.The period...

  • Page 36: Menu End

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Menu end End of the menu, hide automatically after 2 seconds. Button description - Menu end Page 36 of 42...

  • Page 37: Attachment

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 Attachment Attachment Bootloader handling Start the IC/module/device in bootloader mode 1. Switch off the IC/module/device. 2. Connect the UART adapter (USB → 3.3 volts or 5 volts UART or RS232 → 3.3 volts or 5 volts UART).

  • Page 38: Segment Characters

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 7 segment characters The symbolism of each character: Change log Change log Safety 20.03.2017 - 1.0.3 - ADD Add ESD note DCF module properties Change log - 7 segment characters Page 38 of 42...

  • Page 39: Power Supply Properties

    StefPro - www.stefpro.biz - info@stefpro.biz - SPK2141.01 25.12.2022 21.11.2016 - 1.0.1 - ADD Add list of tested modules 20.03.2017 - 1.0.3 - ADD Update list of tested modules, add standard pin assingment Power supply properties 21.12.2019 - 1.0.5 - ADD...

  • Page 40: Liability, Warranty And Copyright Notice

    The manufacturer is not responsible for all personal injury and property damage caused by improper operation. Warranty StefPro warranty only for the Kit and their firmware. The warranty is exclusively limited for the replacement of the IC within the warranty period Liability, warranty and copyright notice - Definitions...

  • Page 41: Copyrightnotice

    Copyrightnotice The circuitry and firmware to the kit and module from StefPro are protected by copyright. Unauthorized reproduction or distribution of Modules with this program or any portion of it. This is pursued bothcriminal and civil law, and may result in severe penalties and compensation for damages.

  • Page 42: Table Of Contents

    This modules or devices comply with the EU directive on electronic and electrical equipment (WEEE regulation)and therefore may not be disposed of with household waste. Dispose of the device over your local collection center for electronic equipment! WEEE-Reg.-Nr.: DE 58929072 ( StefPro UG (haftungsbeschränkt) & Co. KG ) DE 78089358 ( StefPro Einzellunternehmen bis zum 01.01.2015 ) Impress Impress StefPro™...

Table of Contents