Most of the components below are supplied by most electronics distributors. SchmartBoard sells convenient jumper wires and the ICD to PIC device programming cable compatible with this project. SchmartBoard provides the promotion code AS01 for a 10% discount. Using the AS01 promo code will automatically contribute to this project. See the SchmartBoard advertisement at the bottom of this BOM.
If you are a supplier of some of these components and also want to contribute a portion of associated sales to this project or provide free samples to people building PMUs, you may contact me to include your advertisement in this document.
Label |
Unit Qty |
3 units Bag Qty |
Description |
Supplier / Part# |
C20 CAPACITOR - 470 uF, 25V 1 each |
1 |
3 |
Voltage Regulator Input |
|
C21 CAPACITOR - 22 uF, 25V 1 each |
1 |
3 |
Voltage Regulator Output |
|
C17 CAPACITOR – 10 uF, 25V 1 each |
1 |
3 |
Voltage Reference |
|
C1 to C16 CAPACITOR – 0.1 uF, 25V 9 each |
9 |
27 |
Bypass Capacitors |
|
D3, D4, D5, D6 DIODE – 1N4001, 50V 1A 4 each |
4 |
12 |
Rectifier Diodes |
|
D7, D8 SCHOTTKY DIODE - 1N5819 2 each |
2 |
6 |
Barrier Diodes |
|
D1, D2 DIODE – N914 2 each |
2 |
6 |
Signal Diodes |
|
R1 RESISTOR - 10k ohm 1 each |
1 |
3 |
Reset Switch 10k ohm Resistoor |
|
R2, R11 RESISTOR - 1k ohm 2 each |
2 |
6 |
Reset Switch and Power LED Resistors |
|
R5 to R10 RESISTOR, 3.9k ohm, 1% 6 each |
6 |
18 |
Voltage Divider Resistors |
|
R3, R12, R13 RESISTOR, 4.7k ohm 3 each |
3 |
9 |
Pull-up Resistors |
|
R4 RESISTOR, 330 ohm 1 each |
1 |
3 |
Activity LED Load Resistor |
|
U4 VOLTAGE REGULATOR – LM7805 1 each |
1 |
3 |
5V Positive Voltage Regulator |
|
U7 VOLTAGE REFERENCE, 2.5V – MCP1525 1 each |
1 |
3 |
2.5V Voltage Reference |
|
X1 OSC OSCILLATOR - 12.000 MHz 1 each |
1 |
3 |
12.000 MHz Clock Oscillator |
|
LED1 LED - BLUE 1 each |
1 |
3 |
Activity LED 1 each for PCB |
|
LED3 LED – GREEN 1 each |
1 |
3 |
Power LED 1 each for PCB |
|
U1 MCU - dsPIC30F3013 Micro Controller 1 each |
1 |
3 |
Micro Controller |
|
U1 SOCKET – 28 PINS 1 each |
1 |
3 |
Micro Controller Socket |
|
U6 MAX232A – RS232 Transceiver 1 each |
1 |
3 |
MAX232A RS232 Transceiver |
|
U6 Socket SOCKET – 18 PINS 1 each |
1 |
3 |
MAX232 RS232 Transceiver 18 Pins Socket |
|
U2 and X1 Sockets SOCKET - 8 PINS 2 each |
2 |
6 |
U2 Op Amp Socket X1 Oscillator Socket (Optional) |
|
SW1 TACTILE SWITCH – Reset 1 each |
1 |
3 |
Reset Switch |
|
SIP Header Pins |
1 |
3 |
SIP Header Pin Stock |
SchmartBoard |
U2 OPERATIONAL AMPLIFIER - MCP6292 1 each |
1 |
3 |
Dual Operational Amplifier |
|
Battery Cable 9V BATTERY CABLE 1 each |
1 |
3 |
Backup Battery Cable |
|
U4 Heat Sink HEAT SINK - T220 1 each |
1 |
3 |
Voltage Regulator Heat Sink |
|
AC Transformer Jack CASE – 2.1 mm Power Jack 1 each |
1 |
3 |
AC Transformer Case Jack 2.1 mm Power Jack |
|
DB9F Connector CASE – RS232 1 each |
1 |
3 |
DB9F Connector |
|
DB Connector Screws SCREW, NUT, LOCK WASHER - 4-40 2 each |
2 |
6 |
DB9 Case Screws, Nuts, and Lock Washers Optional Washers |
|
J6 Connector and Cable CONNECTOR and CABLE pair 1 each |
1 |
3 |
Connector and Cable for Battery |
|
J7 Connector and Cable CONNECTOR and CABLE pair 1 each |
1 |
3 |
Connector and Cable for VAC |
|
Jumpers JUMPER – 2 Pin Shunt 3 each |
3 |
9 |
Jumpers |
|
PCB Mounting Screws SCREW - #4 x 3/8" 4 each |
4 |
12 |
PCB Mounting Screws #4-3/8” or #4-1/4” |
|
F-F Wires |
7 |
21 |
Female Jumper Wires for PCB-Case Connections |
SchmartBoard |
Case |
1 |
3 |
Serpac Case |
|
PIC to ICD Cable |
1 |
1 |
Device Programer Interface Cable for ICD3 or ICD2 |
SchmartBoard |
9VAC TRANSFORMER 1 each |
1 |
3 |
9V AC/AC Transformer |
|
PCB 1 each |
1 |
3 |
Custom ExpressPCB Motherboard |
|
GPS 1 each |
1 |
3 |
PPS Output (TTL Compatible), +5V tolerant operating voltage |
GPS15xL-W |
GPS Antenna 1 each |
1 |
3 |
per site requirements |
Garmin GA25MCX |
Suppliers