MEET SEQUENCER, The fun and easy sequence LED kit, that shifts LED light from LED to LED!

 

Our SEQUENCER - S4 has many applications; simply power the board and light 4 LEDs start to "move," left to right again and again in sequence! This automatic sequence of blinking lights (LED) can be controlled directly from a front mounted multi-turns trimmer (pot.) and will draw attention and fun! The unique small design will allow you to mount it almost anywhere. Operate it with 6V, 9V battery, 12V car battery, four 1.5V batteries, or via one of our battery simulator kits. The alternative uses are endless. It’s designed for the beginner as well as the expert. Please drop us a line at sales@eidusa.com and let us know how you and your kids use your SEQUENCERS!

 

The SEQUENCER - S4 heart is the PIC micro-processor Integrated Circuit (IC) PIC12F675 (4MHZ version) by Microchip, Corp.

 

This kit is an educational electronics kit that allows one to customize the LED sequence rotation speed and more by changing the Analog to Digital Converter (ADC) via the voltage divider between VCC and ground in our case through multi-turns trimmer. YES .ASM and .HEX are AS-IS and provided for FREE!

 

One can program the PIC using PIC-KIT2 by Microchip Corporation directly from personal computer (PC) via  Universal Serial Port (USB). 

 

Note: The PIC 12F675 IC is 8 pin DIP, 14bit type Micro-processor with 4 Analog to Digital port and 6 I/O. Click here to download the the PIC 12F675 chip data-sheet.

 

Do It Yourself (DIY) Software driven micro-processor base kit, and have a blast!

 

 

     

Shown above in a 4 LED Configuration            Shown above in a 3 LED Configuration

 

Kit Includes:

  • PIC 12F675                         1pc.

  • 78L05  Voltage regulator       1pc.

  • Diode 1N4007                      1pc.

  • 330 Ohms         Resistor        4pc. (3pc. SEQUENCER-S3)

  • 0.1uf/50v          Capacitor     1pc.

  • Red                 LED              4pc. (3pc. SEQUENCER-S3)

  • 9V battery clips Connector     1pc.

  • PCB                                    1pc.

Schematic:  

 

 

MEET SEQUENCER – Our alternating sequence blinking LEDs electronics kit. The kit  is based on “PIC micro-processor PIC12F675. Using software code to control  (turn ‘on’ and ‘off’) the corresponding LED. This basic kit can work with many conventional color LEDs; Green, Yellow or Red etc.

 

The 330 Ohms resistor determines the LED's brightness and limits the current flow to about 10mA when running with 9V battery. Standard LED will operate on 10-20mA and the voltage developed on the LED is about 1.6VDC, therefore:

 

R_Led = (V_Bat – V_CE – V_LED) / 20mA = (5VDC - 1.6VDC) / 10mA = 340 Ohms we use standard 5% 0.25W 330 ohms resistors. Please be advised you should never exceed the LED maximum current limitations. Doing so will result in burning the LED.

 

The SEQUENCER flash rate is determined by P1 (10K multi-trimmer potentiometer) see schematics above. Changing P1 which used as a voltage divider will change the voltage on Test Point (TP) Signal (S) voltage 0-5V. This voltage then reads back to the micro-processor ADC and the software converts this value and changes the cycle time of the blinking LEDs.

 

Description and SKU#

Price

Picture

SEQUENCER Kit 

EID-K-SEQ-UENCER-S3-ASM (Fully assembled)

 

27.33

 

SEQUENCER Kit 

EID-K-SEQ-UENCER-S4-ASM (Fully assembled)

 

29.07

 

SEQUENCER Kit

EID-K-SEQ-UENCER-S3-KIT Kit Only

 

24.93

 

SEQUENCER Kit

EID-K-SEQ-UENCER-S4-KIT Kit Only

 

25.92

 

EID-K-SEQ-UENCER-SX-PCB PCB Only

12.87

 

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