LAOS Mainboard v0.3¶

• Table of contents
• LAOS Mainboard v0.3
  • Common parts
  • Connectors
    • Phoenix
    • JST (HPC LS3020 Pro)
    • JST (HPC LS3020)

Common parts¶

These parts are needed for every board, no matter the type of laser it will be used for.

Count	Component	RS Part No.	RS Price	Farnell Part No.	Farnell Price	Comment
1	ARM mbed LPC1768 Module	703-9238	€ 49,53	1761179	€49,73	Mbed
1	Hirose DM1B-DSF-PEJ	685-0788	€ 2,22	1764373	€2,65	reverse SD Memory Card connector
2	DIL socket,0.3in pitch, 16 pin	402-771	€ 0,18	1077315	€2,17
2	Harwin M20-7832046	681-6851	€ 5,31	9688862	€ 7,07	Mbed Footprint
1	MAGJACK SI-60002-F	741-8477	€ 4,38	1137981	€6,27	Network connector (with LEDs: Farnell:1137983)
2	IC KB847	619-2026	€ 1,96	2001656	€1,37	(5 pcs min)
1	2GB SD card	539-7804	€ 9,40			SD Card (cheaper at Mycom: € 4,99)
1	100R resistor	707-7587	€ 0,02
1	120R resistor	707-7599	€ 0,02
4	330R resistor	707-7622	€ 0,02
15	1K resistor	707-7666	€ 0,02
2	2K2 resistor	707-7690	€ 0,02
11	10K resistor	707-7745	€ 0,02
5	100nF capacitor	721-5240	€ 0,07
1	22nF capacitor	721-5268	€ 0,12
1	100 uF capacitor (ELCO)	520-0996	€ 0,28			min. voltage: 12V
1	1000 uF capacitor (ELCO)	520-1090	€ 1,31			min. voltage: 25V (depending on your motor voltage)
1	Red LED	708-2753	€ 0,09
1	Green LED	708-2756	€ 0,11
1	Yellow LED	708-2769	€ 0,11
1	Laos PCB Rev 0.3		€ 15,00			Available from our WebShop

Connectors¶

Phoenix¶

Count	Component	RS Part No.	RS Price	Farnell Part No.	Comment
7	Phoenix 4-pin terminal block	189-6032	€ 3,05	3705377
7	Phoenix 4-pin PCB header	189-6127	€ 1,04	3705195
3	Phoenix 2-pin terminal block	189-6010	€ 1,746	3705353
3	Phoenix 2-pin PCB header	189-6105	€ 0,51	3705171
1	pin-header 1x4	251-8632	€ 1,056

JST (HPC LS3020 Pro)¶

The HPC LS3020 Pro uses low cost JST connectors on their cables.

Count	Component	RS Part No.	RS Price	Farnell Part No.	Farnell Price	Comment
1	WUERTH ELEKTRONIK 3WAY PCB connector RIGHT ANGLE 5.08mm	189-6571	€ 0,62	1641987	€ 0,60	PCB Power connector
5	JST 4 pin PCB connector B4B-XH-A (LF)(SN)	543-2733	€ 0,16	1516278	€ 0,20	Stepper drivers, Endstop & Laser and I2C
2	JST 4 pin housing XHP-4	353-1636	€ 0,07	1516266	€ 0,10	For endstop and laser cable (usually provided with laser)
1	JST 2 pin housing XHP-2	353-1614	€ 0,05	1516264	€ 0,05	To add laser power modulation
2	JST Socket insert BXH-001T-P0.6	353-1591	€ 0,04	1516301	€ 0,05	To add laser power modulation

Note - You need to modify the cables a bit to connect to the correct pins, see description in the HPC installation section. Connectors may have significant minimum order quantity. You may ask Peter if he has some he can supply when ordering the PCB.

JST (HPC LS3020)¶

The HPC LS3020 uses low cost JST connectors on their cables.

Count	Component	RS Part No.	RS Price	Farnell Part No.	Farnell Price	Comment
1	WUERTH ELEKTRONIK 3WAY PCB connector RIGHT ANGLE 5.08mm	189-6571	€ 0,62	1641987	€ 0,60	PCB Power connector
3	JST 4 pin PCB connector B4B-XH-A (LF)(SN)	543-2733	€ 0,16	1516278	€ 0,20	Stepper drivers, Endstop & Laser and I2C
2	JST Socket insert BXH-001T-P0.6	353-1591	€ 0,04	1516301	€ 0,05	To add laser power modulation
1	FFC / FPC connector	718-8772 (straight, untested)	€ 0,18	1816463	€ 0,30	This connector combines X-axis and endstops!