| Part | Value | Device | Package | Description | MF | MPN | OC_FARNELL | OC_NEWARK | PROD_ID | VALUE |
| IC1 | MCP23017SO | MCP23017SO | SO28W | http://ww1.microchip.com/downloads/en/DeviceDoc/21952a.pdf | MICROCHIP | MCP23017-E/SO | 1332087 | 31K2958 | | |
| IC2 | 74LS590D | 74LS590D | SO16 | 8-bit binary COUNTER, output register | TEXAS INSTRUMENT CONNECTORS | SN74LS590D | | 08F7470 | | |
| IC3 | 74LS590D | 74LS590D | SO16 | 8-bit binary COUNTER, output register | TEXAS INSTRUMENT CONNECTORS | SN74LS590D | | 08F7470 | | |
| J1 | Qwiic | QWIIC_CONNECTORJS-1MM | 1X04_1MM_RA | SparkFun I2C Standard Qwiic Connector | | | | unknown | CONN-13694 | |
| J2 | 455-1750-1-ND | CONN_03 | 1X03 | Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections | | | | unknown | XXX-00000 | 455-1750-1-ND |
| J3 | Qwiic | QWIIC_CONNECTORJS-1MM | 1X04_1MM_RA | SparkFun I2C Standard Qwiic Connector | | | | unknown | CONN-13694 | |
| J4 | I2C | CONN_04 | 1X04 | Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections | | | | | CONN-09696 | |
| JP1 | JUMPER-SMT_2_NC_TRACE_SILK | JUMPER-SMT_2_NC_TRACE_SILK | SMT-JUMPER_2_NC_TRACE_SILK | Normally closed trace jumper | | | | | | |
| JP2 | JUMPER-SMT_2_NC_TRACE_SILK | JUMPER-SMT_2_NC_TRACE_SILK | SMT-JUMPER_2_NC_TRACE_SILK | Normally closed trace jumper | | | | | | |
| JP3 | JUMPER-SMT_2_NC_TRACE_SILK | JUMPER-SMT_2_NC_TRACE_SILK | SMT-JUMPER_2_NC_TRACE_SILK | Normally closed trace jumper | | | | | | |
| LED1 | LED | LEDSML1206 | SML1206 | LED | | SML-LX1206GC-TR1 | | 19J8860 | | |
| LED2 | LED | LEDSML1206 | SML1206 | LED | | SML-LX1206GC-TR1 | | 19J8860 | | |
| R1 | 10k | R-US_M1206 | M1206 | RESISTOR, American symbol | VISHAY/DALE | CRCW120610K0FKTA | | 05F1568 | | |
| R2 | 10k | R-US_M1206 | M1206 | RESISTOR, American symbol | VISHAY/DALE | CRCW120610K0FKTA | | 05F1568 | | |
| R3 | 10k | R-US_M1206 | M1206 | RESISTOR, American symbol | VISHAY/DALE | CRCW120610K0FKTA | | 05F1568 | | |
| R4 | 10k | R-US_M1206 | M1206 | RESISTOR, American symbol | VISHAY/DALE | CRCW120610K0FKTA | | 05F1568 | | |
| R5 | 33 | R-US_M1206 | M1206 | RESISTOR, American symbol | | CRL1206-FW-R330ELF | | 06X5059 | | |
| R6 | 33 | R-US_M1206 | M1206 | RESISTOR, American symbol | | CRL1206-FW-R330ELF | | 06X5059 | | |
| R7 | 10k | R-US_M1206 | M1206 | RESISTOR, American symbol | VISHAY/DALE | CRCW120610K0FKTA | | 05F1568 | | |
| R8 | 10k | R-US_M1206 | M1206 | RESISTOR, American symbol | VISHAY/DALE | CRCW120610K0FKTA | | 05F1568 | | |
| TP1 | TEST-POINTTP_15TH_THRU | TEST-POINTTP_15TH_THRU | TP_15TH | SparkFun Test Points | | | | | | |
| TP2 | TEST-POINTTP_15TH_THRU | TEST-POINTTP_15TH_THRU | TP_15TH | SparkFun Test Points | | | | | | |