| Component | Description/Value | Footprint | Vendor | Vendor Part# | Part Designators | Comments |
| Microcontroller | Picaxe 28X1 | DIP-28 | Rev-Ed / Adv. Micro C. | --- | PAX1 | |
| Ceramic Resonator | 3-pin, 16 MHz | 0.1" spacing | Jameco | 324662 | X1 | |
| RS-232 Tranceiver | MAX232 | DIP-16 | Jameco | 903277 | CONV1 | free sample from Maxim |
| I/O Expander | MAX6956 or MAX7300 | DIP-28 | Digikey | MAX6956ANI+-ND | IOEXP1 | free sample from Maxim |
| Analog-to-Digital Converter | MAX114 | DIP-24 | Maxim | MAX114CNG+ | ADC1, ADC2 | free sample from Maxim? |
| Digital-to-Analog Converter | MCP4822 | DIP-8 | Microchip Direct | MCP4822-E/P | DAC1, DAC2 | Mouser has them for same price. Or sample from Microchip. |
| Static RAM | CY7C128A 2kx8 | DIP-24 | Jameco | 242683 | MEM1, MEM2 | Free sample from Cypress Semiconductor |
| Quad NAND-Gate | 74HC132 | DIP-14 | Jameco | 45321 | NAND1 | |
| Quad XOR-Gate | 74HC86 | DIP-14 | Jameco | 46181 | XOR1 | |
| Dual D-Flip-Flop | 74HC74 | DIP-14 | Jameco | 46130 | DFF1 | |
| Dual 4-bit Counter | 74HC393 | DIP-14 | Jameco | 251504 | CTR1 | |
| Dual 10MHz Opamp | MCP6022 or MCP6292 | DIP-8 | Microchip Direct | MCP6292-E/P | OP1, OP2, OP3 | Mouser has them for same price. Or sample from Microchip. |
| Programmable Gain Ampl. | MCP6S22 or MCP6S92 | DIP-8 | Microchip Direct | MCP6S92-E/P | PGA1, PGA2 | Mouser has them for same price. Or sample from Microchip. |
| Voltage Regulator | LM7805, 5V/1A | TO-220 | Jameco | 876125 | REG1, REG2 | |
| Diodes | fast, low capacitance | Jameco | 655269 | D1, D2, D3, D4 | would like to use fast Schottky, but did not find and suitable in through-hole version | |
| Ceramic Capacitor | 0.1 uF | 0.1" spacing | Jameco | 151118 | C1 - C12, C15, C16, C18 - C26 | value uncritical (+/-50%) |
| Electrolytic Capacitor | 100 uF, radial | 0.1" spacing | Jameco | 93761 | C13, C14, C17, C27 | value uncritical (+/-50%) |
| Electrolytic Capacitor | 1 uF, radial | 0.1" spacing | Jameco | 330835 | C28 - C31 | |
| Resistor | 180 Ohm, 5% | Jameco | 690689 | R4, R25 | value uncritical (+/-25%) | |
| Resistor | 1 kOhm, 5% | Jameco | 690865 | R8, R13, R16, R17, R20, R23, R24 | ||
| Resistor | 2.2 kOhm, 5% | Jameco | 690945 | R7, R9 | value uncritical (+/-25%) | |
| Resistor | 10 kOhm, 5% | Jameco | 691104 | R1, R2, R5, R11, R14, R21 | ||
| Resistor | 22 kOhm, 5% | Jameco | 691180 | R3 | ||
| Resistor | 33 kOhm, 5% | Jameco | 691227 | R12, R19 | ||
| Resistor | 47 kOhm, 5% | Jameco | 691260 | R6, R27 | ||
| Resistor | 100 kOhm, 5% | Jameco | 691340 | R10, R15, R18, R22 | ||
| DIP Socket | 8 pin, 300 mil | Jameco | 112206 | OP1-3, PGA1-2, DAC1-2 | ||
| DIP Socket | 14 pin, 300 mil | Jameco | 112214 | NAND1, XOR1, DFF1, CTR1 | ||
| DIP Socket | 16 pin, 300 mil | Jameco | 526205 | CONV1 | ||
| DIP Socket | 20 pin, 300 mil | Jameco | 112248 | ADC1, ADC2 | ||
| DIP Socket | 24 pin, 300 mil | Jameco | 39378 | MEM1, MEM2 | ||
| DIP Socket | 28 pin, 300 mil | Jameco | 689961 | PAX1, IOEXP1 | ||
| Jumper Header | 2 pcs, 3 pins, 0.1" spacing | Jameco | 687210 | JP7, J_SERIAL, (J_LED) | mount J_LED and J_SERIAL only for version with enclosure | |
| Shorting Block | 0.1" spacing | Jameco | 112416 | for JP7 | ||
| Terminal Block | 2 pins | 0.2" spacing | Jameco | 160785 | J1, J2, J3 | for bare board version, only needed if power and/or probes are wires |
| BNC connector | board mount | Jameco | 146511 | J5, J6 | bare board version only; not needed if using normal cables as probes. Install only for coaxial cable probe or real 1:1 scope probes | |
| BNC connector | panel mount | Jameco | 296067 | version with enclosure only | ||
| Power indicator diode | board mount | Jameco | 1845689 | (J_LED) | mount only for version without enclosure | |
| Power indicator diode | panel mount | Jameco | 141111 | version with enclosure only | ||
| Phono jack | PCB mount | Jameco | 1766180 | J_PHONO_SERIAL | mount only for version without enclosure | |
| Phono jack | panel mount | Jameco | 1766198 | version with enclosure only | ||
| Power jack | male, 2.1/5.5mm, PCB mount | Jameco | 137673 | J4 | mount only for version without enclosure | |
| Power jack | male, 2.1/5.5mm, panel mount | Jameco | 151555 | version with enclosure only | ||
| Enclosure | Jameco | 373456 | Does not include screws to attach the PCB. User needs to drill holes for BNC connectors, power indicator diode, serial connector and power connector. | |||
| Rubber feet | Jameco | 142658 | ||||
| Standoffs | Jameco | 139792 | probably could find something cheaper (e.g. glue-on rubber feet | |||
| Printed Circuit Board | 2 layers, 24 sq.in. | ExpressPCB | --- | Get it from this website (http://www.pdamusician.com/lcscope) | ||
| Serial download cable | RS-232 DB9 to 3.5mm phono | Rev-Ed / Adv. Micro C. | --- | |||
| Probe cables | BNC male / grabber | Jameco | 11464 | or use any 1:1 scope probe, but this was the lowest cost option | ||
| Power supply | 9V / 300 mA; 2.1 / 5.5 mm | Jameco | 133891 | US plug!; center contact positive; voltage can be 9 - 15V |